[INFO] fetching crate nonstd 0.1.0...
[INFO] testing nonstd-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate nonstd 0.1.0 into /workspace/builds/worker-114/source
[INFO] validating manifest of crates.io crate nonstd 0.1.0 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 nonstd 0.1.0
[INFO] finished tweaking crates.io crate nonstd 0.1.0
[INFO] tweaked toml for crates.io crate nonstd 0.1.0 written to /workspace/builds/worker-114/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cd5b36d3fbc4343752d926913e81fca72e22bfebe9c51a3badc4ea2dd135a16
[INFO] running `Command { std: "docker" "start" "-a" "5cd5b36d3fbc4343752d926913e81fca72e22bfebe9c51a3badc4ea2dd135a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cd5b36d3fbc4343752d926913e81fca72e22bfebe9c51a3badc4ea2dd135a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd5b36d3fbc4343752d926913e81fca72e22bfebe9c51a3badc4ea2dd135a16", kill_on_drop: false }`
[INFO] [stdout] 5cd5b36d3fbc4343752d926913e81fca72e22bfebe9c51a3badc4ea2dd135a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 552bc7ec3cda1d49b95f0a5e4e4fbc0f8a511cca2a5ac491bb8390d0bb3a1951
[INFO] running `Command { std: "docker" "start" "-a" "552bc7ec3cda1d49b95f0a5e4e4fbc0f8a511cca2a5ac491bb8390d0bb3a1951", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nonstd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "552bc7ec3cda1d49b95f0a5e4e4fbc0f8a511cca2a5ac491bb8390d0bb3a1951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "552bc7ec3cda1d49b95f0a5e4e4fbc0f8a511cca2a5ac491bb8390d0bb3a1951", kill_on_drop: false }`
[INFO] [stdout] 552bc7ec3cda1d49b95f0a5e4e4fbc0f8a511cca2a5ac491bb8390d0bb3a1951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a180aefad1de7901e59895951b74ad24faef1cbf2b8856ee8730aa7b2c23570f
[INFO] running `Command { std: "docker" "start" "-a" "a180aefad1de7901e59895951b74ad24faef1cbf2b8856ee8730aa7b2c23570f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nonstd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "a180aefad1de7901e59895951b74ad24faef1cbf2b8856ee8730aa7b2c23570f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a180aefad1de7901e59895951b74ad24faef1cbf2b8856ee8730aa7b2c23570f", kill_on_drop: false }`
[INFO] [stdout] a180aefad1de7901e59895951b74ad24faef1cbf2b8856ee8730aa7b2c23570f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-114/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 15dfe2167da3d6d2e17c4c5e5c5dcb64dcbf5db3395ac497afc6617092a9167b
[INFO] running `Command { std: "docker" "start" "-a" "15dfe2167da3d6d2e17c4c5e5c5dcb64dcbf5db3395ac497afc6617092a9167b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nonstd-1cf8bdd210fe962b)
[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/string_buffer.rs (/opt/rustwide/target/debug/deps/string_buffer-f8c92ba0951e37ca)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test string_buffer_is_a_writer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nonstd
[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" "15dfe2167da3d6d2e17c4c5e5c5dcb64dcbf5db3395ac497afc6617092a9167b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15dfe2167da3d6d2e17c4c5e5c5dcb64dcbf5db3395ac497afc6617092a9167b", kill_on_drop: false }`
[INFO] [stdout] 15dfe2167da3d6d2e17c4c5e5c5dcb64dcbf5db3395ac497afc6617092a9167b