[INFO] fetching crate simple-stack 0.2.0...
[INFO] testing simple-stack-0.2.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate simple-stack 0.2.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate simple-stack 0.2.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 197bb73b8b28cda74c5869082f0e1402c0dd1afee2f80fc1930cea2d3d9e909f
[INFO] running `Command { std: "docker" "start" "-a" "197bb73b8b28cda74c5869082f0e1402c0dd1afee2f80fc1930cea2d3d9e909f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "197bb73b8b28cda74c5869082f0e1402c0dd1afee2f80fc1930cea2d3d9e909f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "197bb73b8b28cda74c5869082f0e1402c0dd1afee2f80fc1930cea2d3d9e909f", kill_on_drop: false }`
[INFO] [stdout] 197bb73b8b28cda74c5869082f0e1402c0dd1afee2f80fc1930cea2d3d9e909f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e27d5d8ada0c40a9451717edfaf8b989e0a50c837908af2470ac53a41d0d46f9
[INFO] running `Command { std: "docker" "start" "-a" "e27d5d8ada0c40a9451717edfaf8b989e0a50c837908af2470ac53a41d0d46f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-stack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "e27d5d8ada0c40a9451717edfaf8b989e0a50c837908af2470ac53a41d0d46f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27d5d8ada0c40a9451717edfaf8b989e0a50c837908af2470ac53a41d0d46f9", kill_on_drop: false }`
[INFO] [stdout] e27d5d8ada0c40a9451717edfaf8b989e0a50c837908af2470ac53a41d0d46f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f71132044812e8fa82470eb6ae19542217181d1b30c74b9494b3c86e2d2121d8
[INFO] running `Command { std: "docker" "start" "-a" "f71132044812e8fa82470eb6ae19542217181d1b30c74b9494b3c86e2d2121d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-stack v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "f71132044812e8fa82470eb6ae19542217181d1b30c74b9494b3c86e2d2121d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71132044812e8fa82470eb6ae19542217181d1b30c74b9494b3c86e2d2121d8", kill_on_drop: false }`
[INFO] [stdout] f71132044812e8fa82470eb6ae19542217181d1b30c74b9494b3c86e2d2121d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a34f3e4cd949c320535969307d5786845ec9d20715512a9f3062002c41b15f46
[INFO] running `Command { std: "docker" "start" "-a" "a34f3e4cd949c320535969307d5786845ec9d20715512a9f3062002c41b15f46", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simple_stack-c341f5c711c1bdd3)
[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 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>::size (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Stack<T>::push (line 27) ... ok
[INFO] [stdout] test src/lib.rs - Stack<T>::pop (line 47) ... ok
[INFO] [stdout] test src/lib.rs - Stack<T>::peek_mut (line 89) ... ok
[INFO] [stdout] test src/lib.rs - Stack<T>::peek (line 71) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a34f3e4cd949c320535969307d5786845ec9d20715512a9f3062002c41b15f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a34f3e4cd949c320535969307d5786845ec9d20715512a9f3062002c41b15f46", kill_on_drop: false }`
[INFO] [stdout] a34f3e4cd949c320535969307d5786845ec9d20715512a9f3062002c41b15f46