[INFO] fetching crate cold-io 0.2.0... [INFO] testing cold-io-0.2.0 against 1.90.0 for beta-1.91-3 [INFO] extracting crate cold-io 0.2.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate cold-io 0.2.0 [INFO] finished tweaking crates.io crate cold-io 0.2.0 [INFO] tweaked toml for crates.io crate cold-io 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate cold-io 0.2.0 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate cold-io 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ctrlc v3.2.0 [INFO] [stderr] Downloaded memoffset v0.6.4 [INFO] [stderr] Downloaded cc v1.0.69 [INFO] [stderr] Downloaded nix v0.22.1 [INFO] [stderr] Downloaded libc v0.2.100 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ca7308ab605fb942965be9e70a83d7e34a0300538d88bfadf3f96ff6bdd608f4 [INFO] running `Command { std: "docker" "start" "-a" "ca7308ab605fb942965be9e70a83d7e34a0300538d88bfadf3f96ff6bdd608f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca7308ab605fb942965be9e70a83d7e34a0300538d88bfadf3f96ff6bdd608f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca7308ab605fb942965be9e70a83d7e34a0300538d88bfadf3f96ff6bdd608f4", kill_on_drop: false }` [INFO] [stdout] ca7308ab605fb942965be9e70a83d7e34a0300538d88bfadf3f96ff6bdd608f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06f3331832d13974971d79063306c2e6727aa779829970eb4f91c2c879a9495e [INFO] running `Command { std: "docker" "start" "-a" "06f3331832d13974971d79063306c2e6727aa779829970eb4f91c2c879a9495e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling mio v0.7.13 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling cold-io v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/managed_stream.rs:64:23 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stdout] | ^^^^^ -------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut<'_, MarkedStream> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.86s [INFO] running `Command { std: "docker" "inspect" "06f3331832d13974971d79063306c2e6727aa779829970eb4f91c2c879a9495e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06f3331832d13974971d79063306c2e6727aa779829970eb4f91c2c879a9495e", kill_on_drop: false }` [INFO] [stdout] 06f3331832d13974971d79063306c2e6727aa779829970eb4f91c2c879a9495e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 50f657293f072d52fd02bd08a686967d55adab4ecfa4f8d7f48a908f7d0c0687 [INFO] running `Command { std: "docker" "start" "-a" "50f657293f072d52fd02bd08a686967d55adab4ecfa4f8d7f48a908f7d0c0687", kill_on_drop: false }` [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/managed_stream.rs:64:23 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stdout] | ^^^^^ -------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut<'_, MarkedStream> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nix v0.22.1 [INFO] [stderr] Compiling env_logger v0.9.0 [INFO] [stderr] Compiling ctrlc v3.2.0 [INFO] [stderr] Compiling cold-io v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/managed_stream.rs:64:23 [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stdout] | ^^^^^ -------------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 64 | pub fn borrow_mut(&self) -> RefMut<'_, MarkedStream> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 7.60s [INFO] running `Command { std: "docker" "inspect" "50f657293f072d52fd02bd08a686967d55adab4ecfa4f8d7f48a908f7d0c0687", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50f657293f072d52fd02bd08a686967d55adab4ecfa4f8d7f48a908f7d0c0687", kill_on_drop: false }` [INFO] [stdout] 50f657293f072d52fd02bd08a686967d55adab4ecfa4f8d7f48a908f7d0c0687 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] aed30a91d1a2311302db39ceff707c23261b7169c2302b18bcfcdc5d596e0ecd [INFO] running `Command { std: "docker" "start" "-a" "aed30a91d1a2311302db39ceff707c23261b7169c2302b18bcfcdc5d596e0ecd", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/managed_stream.rs:64:23 [INFO] [stderr] | [INFO] [stderr] 64 | pub fn borrow_mut(&self) -> RefMut { [INFO] [stderr] | ^^^^^ -------------------- the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 64 | pub fn borrow_mut(&self) -> RefMut<'_, MarkedStream> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `cold-io` (lib) generated 1 warning [INFO] [stderr] warning: `cold-io` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cold_io-759276ff4f6f7453) [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] Doc-tests cold_io [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] running `Command { std: "docker" "inspect" "aed30a91d1a2311302db39ceff707c23261b7169c2302b18bcfcdc5d596e0ecd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aed30a91d1a2311302db39ceff707c23261b7169c2302b18bcfcdc5d596e0ecd", kill_on_drop: false }` [INFO] [stdout] aed30a91d1a2311302db39ceff707c23261b7169c2302b18bcfcdc5d596e0ecd