[INFO] fetching crate stack 0.4.0...
[INFO] testing stack-0.4.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate stack 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate stack 0.4.0
[INFO] finished tweaking crates.io crate stack 0.4.0
[INFO] tweaked toml for crates.io crate stack 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stack 0.4.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coalesce v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39c10ed984ba6ac41895568a76a998c24f9f29b44d562fbeebcd5d739dc7e25a
[INFO] running `Command { std: "docker" "start" "-a" "39c10ed984ba6ac41895568a76a998c24f9f29b44d562fbeebcd5d739dc7e25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c10ed984ba6ac41895568a76a998c24f9f29b44d562fbeebcd5d739dc7e25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c10ed984ba6ac41895568a76a998c24f9f29b44d562fbeebcd5d739dc7e25a", kill_on_drop: false }`
[INFO] [stdout] 39c10ed984ba6ac41895568a76a998c24f9f29b44d562fbeebcd5d739dc7e25a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad286080fe858ab11eec3524d707804fa67cfa133f6d767a3e1e711569356e61
[INFO] running `Command { std: "docker" "start" "-a" "ad286080fe858ab11eec3524d707804fa67cfa133f6d767a3e1e711569356e61", kill_on_drop: false }`
[INFO] [stderr]    Compiling coalesce v0.1.1
[INFO] [stderr]    Compiling stack v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "ad286080fe858ab11eec3524d707804fa67cfa133f6d767a3e1e711569356e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad286080fe858ab11eec3524d707804fa67cfa133f6d767a3e1e711569356e61", kill_on_drop: false }`
[INFO] [stdout] ad286080fe858ab11eec3524d707804fa67cfa133f6d767a3e1e711569356e61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84b2677fc4f3e2202f1e01b81ae73ff3ea7fb644395218c8ef09ae578cbc4ede
[INFO] running `Command { std: "docker" "start" "-a" "84b2677fc4f3e2202f1e01b81ae73ff3ea7fb644395218c8ef09ae578cbc4ede", kill_on_drop: false }`
[INFO] [stderr]    Compiling stack v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `drain`
[INFO] [stdout]    --> tests/array_vec.rs:132:7
[INFO] [stdout]     |
[INFO] [stdout] 132 | #[cfg(feature = "drain")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `unstable`
[INFO] [stdout]     = help: consider adding `drain` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `drain`
[INFO] [stdout]    --> tests/array_vec.rs:151:7
[INFO] [stdout]     |
[INFO] [stdout] 151 | #[cfg(feature = "drain")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `unstable`
[INFO] [stdout]     = help: consider adding `drain` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "84b2677fc4f3e2202f1e01b81ae73ff3ea7fb644395218c8ef09ae578cbc4ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84b2677fc4f3e2202f1e01b81ae73ff3ea7fb644395218c8ef09ae578cbc4ede", kill_on_drop: false }`
[INFO] [stdout] 84b2677fc4f3e2202f1e01b81ae73ff3ea7fb644395218c8ef09ae578cbc4ede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 98d2af8fb8a74b12ca88d99137e24bc856138e3d482e072e1db599910f39af72
[INFO] running `Command { std: "docker" "start" "-a" "98d2af8fb8a74b12ca88d99137e24bc856138e3d482e072e1db599910f39af72", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `drain`
[INFO] [stderr]    --> tests/array_vec.rs:132:7
[INFO] [stderr]     |
[INFO] [stderr] 132 | #[cfg(feature = "drain")]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `unstable`
[INFO] [stderr]     = help: consider adding `drain` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition value: `drain`
[INFO] [stderr]    --> tests/array_vec.rs:151:7
[INFO] [stderr]     |
[INFO] [stderr] 151 | #[cfg(feature = "drain")]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `unstable`
[INFO] [stderr]     = help: consider adding `drain` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: `stack` (test "array_vec") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stack-13dbfe3ebb0542e3)
[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/addressable.rs (/opt/rustwide/target/debug/deps/addressable-be02f7af42b3600b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/array_vec.rs (/opt/rustwide/target/debug/deps/array_vec-2743c869de7e110f)
[INFO] [stdout] test addressable ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test_into_inner_2 ... ok
[INFO] [stdout] test test_into_inner_1 ... ok
[INFO] [stdout] test test_insert ... ok
[INFO] [stdout] test test_in_option ... ok
[INFO] [stderr]      Running tests/small_dst.rs (/opt/rustwide/target/debug/deps/small_dst-d0fbba76c86d8dd2)
[INFO] [stdout] test test_extend ... ok
[INFO] [stdout] test test_drop ... ok
[INFO] [stdout] test test_is_send_sync ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_simple ... ok
[INFO] [stdout] test test_into_inner_3 ... ok
[INFO] [stdout] test test_u16_index ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test ensure_drop ... ok
[INFO] [stdout] test closure ... ok
[INFO] [stdout] test many_instances ... ok
[INFO] [stdout] test trivial_type ... ok
[INFO] [stdout] test sized ... ok
[INFO] [stdout] test spill ... ok
[INFO] [stdout] test undersize ... ok
[INFO] [stdout] test oversize - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/small_vec.rs (/opt/rustwide/target/debug/deps/small_vec-cc017ebf07f05841)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test into_iter ... ok
[INFO] [stdout] test test_capacity ... ok
[INFO] [stdout] test test_inline ... ok
[INFO] [stdout] test test_truncate ... ok
[INFO] [stdout] test drop_soundness ... ok
[INFO] [stdout] test test_spill ... ok
[INFO] [stdout] test null_optimization ... ok
[INFO] [stdout] test test_double_spill ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stack
[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" "98d2af8fb8a74b12ca88d99137e24bc856138e3d482e072e1db599910f39af72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d2af8fb8a74b12ca88d99137e24bc856138e3d482e072e1db599910f39af72", kill_on_drop: false }`
[INFO] [stdout] 98d2af8fb8a74b12ca88d99137e24bc856138e3d482e072e1db599910f39af72
