[INFO] fetching crate zdd 0.3.0...
[INFO] testing zdd-0.3.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate zdd 0.3.0 into /workspace/builds/worker-2-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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zdd 0.3.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 17 packages to highest compatible versions
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashconsing v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929
[INFO] running `Command { std: "docker" "start" "3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashconsing v1.8.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[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 `release` profile [optimized] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[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] [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 `release` profile [optimized] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", 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 `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/zdd-b997565a83982189)
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/release/deps/lib-ab857edd8a9e917d)
[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] [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' (217) panicked at tests/lib.rs:345:27:
[INFO] [stdout] Read-only file system (os error 30)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5a78e8483e71 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x5a78e849890a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x5a78e84883bc - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x5a78e8460466 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x5a78e847c5d9 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x5a78e8415b70 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x5a78e847c792 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x5a78e8460512 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x5a78e8459269 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x5a78e846110d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x5a78e849903c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x5a78e840340d - lib[fd19e4a549b9b591]::run
[INFO] [stdout]   12:     0x5a78e8404d94 - <lib[fd19e4a549b9b591]::three_times_1000000::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   13:     0x5a78e8408e5b - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   14:     0x5a78e84164c5 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   15:     0x5a78e840fd84 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   16:     0x5a78e8419622 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   17:     0x5a78e8483749 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   18:     0x7e3f73225dfa - <unknown>
[INFO] [stdout]   19:     0x7e3f732b93d4 - clone
[INFO] [stdout]   20:                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 0.20s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test lib`
[INFO] running `Command { std: "docker" "inspect" "3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929", kill_on_drop: false }`
[INFO] [stdout] 3a35f75d181e71e724d34b039c73bc9bb84d2042b71a7b407e3fdf8647ea2929
