[INFO] fetching crate simple-stack 0.2.0...
[INFO] testing simple-stack-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate simple-stack 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate simple-stack 0.2.0
[INFO] finished tweaking crates.io crate simple-stack 0.2.0
[INFO] tweaked toml for crates.io crate simple-stack 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate simple-stack 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 20d1a692fe553eeba9579715d8b1cc5654e5aeddc1e9164440d1a30399a95e35
[INFO] running `Command { std: "docker" "start" "-a" "20d1a692fe553eeba9579715d8b1cc5654e5aeddc1e9164440d1a30399a95e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20d1a692fe553eeba9579715d8b1cc5654e5aeddc1e9164440d1a30399a95e35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20d1a692fe553eeba9579715d8b1cc5654e5aeddc1e9164440d1a30399a95e35", kill_on_drop: false }`
[INFO] [stdout] 20d1a692fe553eeba9579715d8b1cc5654e5aeddc1e9164440d1a30399a95e35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c317ff7cf3b6d56c03fa316226155b10790106bf444b5f7740f9cd16bdaeb750
[INFO] running `Command { std: "docker" "start" "-a" "c317ff7cf3b6d56c03fa316226155b10790106bf444b5f7740f9cd16bdaeb750", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-stack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "c317ff7cf3b6d56c03fa316226155b10790106bf444b5f7740f9cd16bdaeb750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c317ff7cf3b6d56c03fa316226155b10790106bf444b5f7740f9cd16bdaeb750", kill_on_drop: false }`
[INFO] [stdout] c317ff7cf3b6d56c03fa316226155b10790106bf444b5f7740f9cd16bdaeb750
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b60dd93555e8768373c042346a0b8204e05c3f596a79e93f4af7a29bf35443af
[INFO] running `Command { std: "docker" "start" "-a" "b60dd93555e8768373c042346a0b8204e05c3f596a79e93f4af7a29bf35443af", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-stack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "b60dd93555e8768373c042346a0b8204e05c3f596a79e93f4af7a29bf35443af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60dd93555e8768373c042346a0b8204e05c3f596a79e93f4af7a29bf35443af", kill_on_drop: false }`
[INFO] [stdout] b60dd93555e8768373c042346a0b8204e05c3f596a79e93f4af7a29bf35443af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 5f3aec0f90e78672e618199eb76eabead82ced347abd83adef3cdb20bf5a28ad
[INFO] running `Command { std: "docker" "start" "-a" "5f3aec0f90e78672e618199eb76eabead82ced347abd83adef3cdb20bf5a28ad", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/simple_stack-0338dd9142f0c9c1)
[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 simple_stack
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Stack<T>::new (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Stack<T>::pop (line 47) ... ok
[INFO] [stdout] test src/lib.rs - Stack<T>::size (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Stack<T>::peek (line 71) ... ok
[INFO] [stdout] test src/lib.rs - Stack<T>::push (line 27) ... ok
[INFO] [stdout] test src/lib.rs - Stack<T>::peek_mut (line 89) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5f3aec0f90e78672e618199eb76eabead82ced347abd83adef3cdb20bf5a28ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3aec0f90e78672e618199eb76eabead82ced347abd83adef3cdb20bf5a28ad", kill_on_drop: false }`
[INFO] [stdout] 5f3aec0f90e78672e618199eb76eabead82ced347abd83adef3cdb20bf5a28ad