[INFO] fetching crate zdd 0.3.0...
[INFO] testing zdd-0.3.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate zdd 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate zdd 0.3.0
[INFO] finished tweaking crates.io crate zdd 0.3.0
[INFO] tweaked toml for crates.io crate zdd 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zdd 0.3.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to latest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashconsing v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 075023b051f58477819ce216a959b486a93366f5e915d7176446f63bf6bc5a1d
[INFO] running `Command { std: "docker" "start" "-a" "075023b051f58477819ce216a959b486a93366f5e915d7176446f63bf6bc5a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "075023b051f58477819ce216a959b486a93366f5e915d7176446f63bf6bc5a1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075023b051f58477819ce216a959b486a93366f5e915d7176446f63bf6bc5a1d", kill_on_drop: false }`
[INFO] [stdout] 075023b051f58477819ce216a959b486a93366f5e915d7176446f63bf6bc5a1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8509f1c9f99a757a2e974dd7372a8d02eb5d716e4afb70c2b9e56fbbcaa93af7
[INFO] running `Command { std: "docker" "start" "-a" "8509f1c9f99a757a2e974dd7372a8d02eb5d716e4afb70c2b9e56fbbcaa93af7", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling hashconsing v1.7.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling zdd v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:187:53
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let zdd = self.factory.union(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 187 -         let zdd = self.factory.union(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout] 187 +         let zdd = self.factory.union(&self.zdd, &rhs.zdd);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:195:53
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let zdd = self.factory.inter(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 195 -         let zdd = self.factory.inter(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout] 195 +         let zdd = self.factory.inter(&self.zdd, &rhs.zdd);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:203:53
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let zdd = self.factory.minus(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 203 -         let zdd = self.factory.minus(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout] 203 +         let zdd = self.factory.minus(&self.zdd, &rhs.zdd);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:212:44
[INFO] [stdout]     |
[INFO] [stdout] 212 |         self.factory.subset(&self.zdd, &rhs.borrow().zdd)
[INFO] [stdout]     |                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 212 -         self.factory.subset(&self.zdd, &rhs.borrow().zdd)
[INFO] [stdout] 212 +         self.factory.subset(&self.zdd, &rhs.zdd)
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.82s
[INFO] running `Command { std: "docker" "inspect" "8509f1c9f99a757a2e974dd7372a8d02eb5d716e4afb70c2b9e56fbbcaa93af7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8509f1c9f99a757a2e974dd7372a8d02eb5d716e4afb70c2b9e56fbbcaa93af7", kill_on_drop: false }`
[INFO] [stdout] 8509f1c9f99a757a2e974dd7372a8d02eb5d716e4afb70c2b9e56fbbcaa93af7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb56820d7d97600b3eacab14c4ef43bf4d1f4851e6bfe0ed19df9551ff618d1b
[INFO] running `Command { std: "docker" "start" "-a" "fb56820d7d97600b3eacab14c4ef43bf4d1f4851e6bfe0ed19df9551ff618d1b", kill_on_drop: false }`
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:187:53
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let zdd = self.factory.union(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 187 -         let zdd = self.factory.union(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout] 187 +         let zdd = self.factory.union(&self.zdd, &rhs.zdd);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:195:53
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let zdd = self.factory.inter(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 195 -         let zdd = self.factory.inter(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout] 195 +         let zdd = self.factory.inter(&self.zdd, &rhs.zdd);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:203:53
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let zdd = self.factory.minus(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 203 -         let zdd = self.factory.minus(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout] 203 +         let zdd = self.factory.minus(&self.zdd, &rhs.zdd);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zdd v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:212:44
[INFO] [stdout]     |
[INFO] [stdout] 212 |         self.factory.subset(&self.zdd, &rhs.borrow().zdd)
[INFO] [stdout]     |                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 212 -         self.factory.subset(&self.zdd, &rhs.borrow().zdd)
[INFO] [stdout] 212 +         self.factory.subset(&self.zdd, &rhs.zdd)
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:67:1
[INFO] [stdout]    |
[INFO] [stdout] 67 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:187:53
[INFO] [stdout]     |
[INFO] [stdout] 187 |         let zdd = self.factory.union(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 187 -         let zdd = self.factory.union(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout] 187 +         let zdd = self.factory.union(&self.zdd, &rhs.zdd);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:195:53
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let zdd = self.factory.inter(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 195 -         let zdd = self.factory.inter(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout] 195 +         let zdd = self.factory.inter(&self.zdd, &rhs.zdd);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:203:53
[INFO] [stdout]     |
[INFO] [stdout] 203 |         let zdd = self.factory.minus(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout]     |                                                     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 203 -         let zdd = self.factory.minus(&self.zdd, &rhs.borrow().zdd);
[INFO] [stdout] 203 +         let zdd = self.factory.minus(&self.zdd, &rhs.zdd);
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/wrapped.rs:212:44
[INFO] [stdout]     |
[INFO] [stdout] 212 |         self.factory.subset(&self.zdd, &rhs.borrow().zdd)
[INFO] [stdout]     |                                            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 212 -         self.factory.subset(&self.zdd, &rhs.borrow().zdd)
[INFO] [stdout] 212 +         self.factory.subset(&self.zdd, &rhs.zdd)
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stdout]     |
[INFO] [stdout]  49 + #[derive(Clone)]
[INFO] [stdout]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "fb56820d7d97600b3eacab14c4ef43bf4d1f4851e6bfe0ed19df9551ff618d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb56820d7d97600b3eacab14c4ef43bf4d1f4851e6bfe0ed19df9551ff618d1b", kill_on_drop: false }`
[INFO] [stdout] fb56820d7d97600b3eacab14c4ef43bf4d1f4851e6bfe0ed19df9551ff618d1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c2bc73250603273abcd60c59b46ebf87efaaeb62c68bf25121b2815ee559f92
[INFO] running `Command { std: "docker" "start" "-a" "1c2bc73250603273abcd60c59b46ebf87efaaeb62c68bf25121b2815ee559f92", kill_on_drop: false }`
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:67:1
[INFO] [stderr]    |
[INFO] [stderr] 67 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/wrapped.rs:187:53
[INFO] [stderr]     |
[INFO] [stderr] 187 |         let zdd = self.factory.union(&self.zdd, &rhs.borrow().zdd);
[INFO] [stderr]     |                                                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stderr]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 187 -         let zdd = self.factory.union(&self.zdd, &rhs.borrow().zdd);
[INFO] [stderr] 187 +         let zdd = self.factory.union(&self.zdd, &rhs.zdd);
[INFO] [stderr]     |
[INFO] [stderr] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stderr]     |
[INFO] [stderr]  49 + #[derive(Clone)]
[INFO] [stderr]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/wrapped.rs:195:53
[INFO] [stderr]     |
[INFO] [stderr] 195 |         let zdd = self.factory.inter(&self.zdd, &rhs.borrow().zdd);
[INFO] [stderr]     |                                                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 195 -         let zdd = self.factory.inter(&self.zdd, &rhs.borrow().zdd);
[INFO] [stderr] 195 +         let zdd = self.factory.inter(&self.zdd, &rhs.zdd);
[INFO] [stderr]     |
[INFO] [stderr] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stderr]     |
[INFO] [stderr]  49 + #[derive(Clone)]
[INFO] [stderr]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/wrapped.rs:203:53
[INFO] [stderr]     |
[INFO] [stderr] 203 |         let zdd = self.factory.minus(&self.zdd, &rhs.borrow().zdd);
[INFO] [stderr]     |                                                     ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 203 -         let zdd = self.factory.minus(&self.zdd, &rhs.borrow().zdd);
[INFO] [stderr] 203 +         let zdd = self.factory.minus(&self.zdd, &rhs.zdd);
[INFO] [stderr]     |
[INFO] [stderr] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stderr]     |
[INFO] [stderr]  49 + #[derive(Clone)]
[INFO] [stderr]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stderr]    --> src/wrapped.rs:212:44
[INFO] [stderr]     |
[INFO] [stderr] 212 |         self.factory.subset(&self.zdd, &rhs.borrow().zdd)
[INFO] [stderr]     |                                            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: the type `wrapped::Zdd<Label>` does not implement `Borrow`, so calling `borrow` on `&wrapped::Zdd<Label>` copies the reference, which does not do anything and can be removed
[INFO] [stderr] help: remove this redundant call
[INFO] [stderr]     |
[INFO] [stderr] 212 -         self.factory.subset(&self.zdd, &rhs.borrow().zdd)
[INFO] [stderr] 212 +         self.factory.subset(&self.zdd, &rhs.zdd)
[INFO] [stderr]     |
[INFO] [stderr] help: if you meant to clone `wrapped::Zdd<Label>`, implement `Clone` for it
[INFO] [stderr]     |
[INFO] [stderr]  49 + #[derive(Clone)]
[INFO] [stderr]  50 | pub struct Zdd<Label: Eq + Hash + Clone> {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `zdd` (lib) generated 5 warnings (run `cargo fix --lib -p zdd` to apply 4 suggestions)
[INFO] [stderr] warning: `zdd` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zdd-4c7518283f89143c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-f1cb54ef966b6c80)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test thirteen_times_100 ... ok
[INFO] [stdout] test three_times_1000000 ... FAILED
[INFO] [stdout] test seven_times_10000 ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- three_times_1000000 stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'three_times_1000000' (20) panicked at tests/lib.rs:345:27:
[INFO] [stdout] Read-only file system (os error 30)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x646f2121d2ca - std[e28293b1aa0f68bd]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x646f2121d2ca - std[e28293b1aa0f68bd]::backtrace_rs::backtrace::trace_unsynchronized::<std[e28293b1aa0f68bd]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x646f2121d2ca - std[e28293b1aa0f68bd]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x646f2121d2ca - <<std[e28293b1aa0f68bd]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c1f1a4ba060b9bfa]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x646f2123180a - <core[c1f1a4ba060b9bfa]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x646f2123180a - core[c1f1a4ba060b9bfa]::fmt::write
[INFO] [stdout]    6:     0x646f21221c02 - std[e28293b1aa0f68bd]::io::default_write_fmt::<alloc[fdfd2bd8633a6659]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x646f21221c02 - <alloc[fdfd2bd8633a6659]::vec::Vec<u8> as std[e28293b1aa0f68bd]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x646f211fc4df - <std[e28293b1aa0f68bd]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x646f211fc4df - std[e28293b1aa0f68bd]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x646f21215839 - std[e28293b1aa0f68bd]::panicking::default_hook
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x646f2117c3ac - <alloc[fdfd2bd8633a6659]::boxed::Box<dyn for<'a, 'b> core[c1f1a4ba060b9bfa]::ops::function::Fn<(&'a std[e28293b1aa0f68bd]::panic::PanicHookInfo<'b>,), Output = ()> + core[c1f1a4ba060b9bfa]::marker::Sync + core[c1f1a4ba060b9bfa]::marker::Send> as core[c1f1a4ba060b9bfa]::ops::function::Fn<(&std[e28293b1aa0f68bd]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   12:     0x646f2117c3ac - test[273d7611820c9051]::test_main_with_exit_callback::<test[273d7611820c9051]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x646f212159f2 - <alloc[fdfd2bd8633a6659]::boxed::Box<dyn for<'a, 'b> core[c1f1a4ba060b9bfa]::ops::function::Fn<(&'a std[e28293b1aa0f68bd]::panic::PanicHookInfo<'b>,), Output = ()> + core[c1f1a4ba060b9bfa]::marker::Sync + core[c1f1a4ba060b9bfa]::marker::Send> as core[c1f1a4ba060b9bfa]::ops::function::Fn<(&std[e28293b1aa0f68bd]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/alloc/src/boxed.rs:2254:9
[INFO] [stdout]   14:     0x646f212159f2 - std[e28293b1aa0f68bd]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x646f211fc598 - std[e28293b1aa0f68bd]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x646f211f3f09 - std[e28293b1aa0f68bd]::sys::backtrace::__rust_end_short_backtrace::<std[e28293b1aa0f68bd]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x646f211fd2ad - __rustc[b7974e8690430dd9]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x646f2123207c - core[c1f1a4ba060b9bfa]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x646f21155208 - core::panicking::panic_display::h84983e6cada18ec3
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/panicking.rs:259:5
[INFO] [stdout]   20:     0x646f2115c9b9 - lib::run::h269c415c9b435ff6
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:345:27
[INFO] [stdout]   21:     0x646f2115bf45 - lib::three_times_1000000::hf59b7471d3caaa8d
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:375:15
[INFO] [stdout]   22:     0x646f2115bf97 - lib::three_times_1000000::{{closure}}::hd2c90b9c414e72f5
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/lib.rs:371:25
[INFO] [stdout]   23:     0x646f21168a46 - core::ops::function::FnOnce::call_once::h9aa8d37e7a457608
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x646f2117048b - <fn() -> core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String> as core[c1f1a4ba060b9bfa]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x646f2117048b - test[273d7611820c9051]::__rust_begin_short_backtrace::<core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String>, fn() -> core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x646f2117ce7b - test[273d7611820c9051]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x646f2117ce7b - <core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<test[273d7611820c9051]::run_test_in_process::{closure#0}> as core[c1f1a4ba060b9bfa]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x646f2117ce7b - std[e28293b1aa0f68bd]::panicking::catch_unwind::do_call::<core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<test[273d7611820c9051]::run_test_in_process::{closure#0}>, core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x646f2117ce7b - std[e28293b1aa0f68bd]::panicking::catch_unwind::<core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String>, core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<test[273d7611820c9051]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x646f2117ce7b - std[e28293b1aa0f68bd]::panic::catch_unwind::<core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<test[273d7611820c9051]::run_test_in_process::{closure#0}>, core[c1f1a4ba060b9bfa]::result::Result<(), alloc[fdfd2bd8633a6659]::string::String>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x646f2117ce7b - test[273d7611820c9051]::run_test_in_process
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x646f2117ce7b - test[273d7611820c9051]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x646f21178594 - test[273d7611820c9051]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x646f21178594 - std[e28293b1aa0f68bd]::sys::backtrace::__rust_begin_short_backtrace::<test[273d7611820c9051]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x646f2117fa82 - std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked::<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x646f2117fa82 - <core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c1f1a4ba060b9bfa]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x646f2117fa82 - std[e28293b1aa0f68bd]::panicking::catch_unwind::do_call::<core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x646f2117fa82 - std[e28293b1aa0f68bd]::panicking::catch_unwind::<(), core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x646f2117fa82 - std[e28293b1aa0f68bd]::panic::catch_unwind::<core[c1f1a4ba060b9bfa]::panic::unwind_safe::AssertUnwindSafe<std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x646f2117fa82 - std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked::<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x646f2117fa82 - <std[e28293b1aa0f68bd]::thread::lifecycle::spawn_unchecked<test[273d7611820c9051]::run_test::{closure#1}, ()>::{closure#1} as core[c1f1a4ba060b9bfa]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x646f2121cbdf - <alloc[fdfd2bd8633a6659]::boxed::Box<dyn core[c1f1a4ba060b9bfa]::ops::function::FnOnce<(), Output = ()> + core[c1f1a4ba060b9bfa]::marker::Send> as core[c1f1a4ba060b9bfa]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/alloc/src/boxed.rs:2240:9
[INFO] [stdout]   43:     0x646f2121cbdf - <std[e28293b1aa0f68bd]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/59807616e1fa2540724bfbac14d7976d7e4a3860/library/std/src/sys/thread/unix.rs:118:17
[INFO] [stdout]   44:     0x7f52debd5aa4 - <unknown>
[INFO] [stdout]   45:     0x7f52dec62a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     three_times_1000000
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.68s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test lib`
[INFO] running `Command { std: "docker" "inspect" "1c2bc73250603273abcd60c59b46ebf87efaaeb62c68bf25121b2815ee559f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2bc73250603273abcd60c59b46ebf87efaaeb62c68bf25121b2815ee559f92", kill_on_drop: false }`
[INFO] [stdout] 1c2bc73250603273abcd60c59b46ebf87efaaeb62c68bf25121b2815ee559f92
