[INFO] fetching crate io-close 0.3.7...
[INFO] testing io-close-0.3.7 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate io-close 0.3.7 into /workspace/builds/worker-35/source
[INFO] validating manifest of crates.io crate io-close 0.3.7 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-close 0.3.7
[INFO] finished tweaking crates.io crate io-close 0.3.7
[INFO] tweaked toml for crates.io crate io-close 0.3.7 written to /workspace/builds/worker-35/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aa972b6f3449ee8d2c63c4c5fe56d26cf682bb53a3d7548a428f35e61bbdc32
[INFO] running `Command { std: "docker" "start" "-a" "5aa972b6f3449ee8d2c63c4c5fe56d26cf682bb53a3d7548a428f35e61bbdc32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aa972b6f3449ee8d2c63c4c5fe56d26cf682bb53a3d7548a428f35e61bbdc32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa972b6f3449ee8d2c63c4c5fe56d26cf682bb53a3d7548a428f35e61bbdc32", kill_on_drop: false }`
[INFO] [stdout] 5aa972b6f3449ee8d2c63c4c5fe56d26cf682bb53a3d7548a428f35e61bbdc32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c5d06aaa120e942105ba7586022ede107ae56da008c386a1cdb626184d7c999
[INFO] running `Command { std: "docker" "start" "-a" "8c5d06aaa120e942105ba7586022ede107ae56da008c386a1cdb626184d7c999", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling io-close v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "8c5d06aaa120e942105ba7586022ede107ae56da008c386a1cdb626184d7c999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c5d06aaa120e942105ba7586022ede107ae56da008c386a1cdb626184d7c999", kill_on_drop: false }`
[INFO] [stdout] 8c5d06aaa120e942105ba7586022ede107ae56da008c386a1cdb626184d7c999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a89d3df3fe470bb98536589fc4c4b13e268c9c4a7aaf70d8edbf0a3ad3a91bf
[INFO] running `Command { std: "docker" "start" "-a" "9a89d3df3fe470bb98536589fc4c4b13e268c9c4a7aaf70d8edbf0a3ad3a91bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[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 tempfile v3.2.0
[INFO] [stderr]    Compiling io-close v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "9a89d3df3fe470bb98536589fc4c4b13e268c9c4a7aaf70d8edbf0a3ad3a91bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a89d3df3fe470bb98536589fc4c4b13e268c9c4a7aaf70d8edbf0a3ad3a91bf", kill_on_drop: false }`
[INFO] [stdout] 9a89d3df3fe470bb98536589fc4c4b13e268c9c4a7aaf70d8edbf0a3ad3a91bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-35/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b11d445d457ac7a64a2d75f1a163f1950a36825d64d992f10a0e0773a9140bba
[INFO] running `Command { std: "docker" "start" "-a" "b11d445d457ac7a64a2d75f1a163f1950a36825d64d992f10a0e0773a9140bba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/io_close-fe4d8164a477114c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests io-close
[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 1 test
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b11d445d457ac7a64a2d75f1a163f1950a36825d64d992f10a0e0773a9140bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11d445d457ac7a64a2d75f1a163f1950a36825d64d992f10a0e0773a9140bba", kill_on_drop: false }`
[INFO] [stdout] b11d445d457ac7a64a2d75f1a163f1950a36825d64d992f10a0e0773a9140bba