[INFO] fetching crate turingarena-iospec 0.1.0...
[INFO] testing turingarena-iospec-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate turingarena-iospec 0.1.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate turingarena-iospec 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 turingarena-iospec 0.1.0
[INFO] finished tweaking crates.io crate turingarena-iospec 0.1.0
[INFO] tweaked toml for crates.io crate turingarena-iospec 0.1.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate crates.io crate turingarena-iospec 0.1.0 already has a lockfile, it will not be regenerated
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codemap v0.1.3
[INFO] [stderr]   Downloaded yansi-term v0.1.2
[INFO] [stderr]   Downloaded genco-macros v0.15.0
[INFO] [stderr]   Downloaded genco v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 29cd5800e5c4d696b12fe94c1991c17de90aa89d31b389533b42e9b8fd00804e
[INFO] running `Command { std: "docker" "start" "-a" "29cd5800e5c4d696b12fe94c1991c17de90aa89d31b389533b42e9b8fd00804e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29cd5800e5c4d696b12fe94c1991c17de90aa89d31b389533b42e9b8fd00804e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cd5800e5c4d696b12fe94c1991c17de90aa89d31b389533b42e9b8fd00804e", kill_on_drop: false }`
[INFO] [stdout] 29cd5800e5c4d696b12fe94c1991c17de90aa89d31b389533b42e9b8fd00804e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 10db5f9e3525089af8e2e3144f01b8fd3fb3d3fade8490e7d9d6e94c0236780b
[INFO] running `Command { std: "docker" "start" "-a" "10db5f9e3525089af8e2e3144f01b8fd3fb3d3fade8490e7d9d6e94c0236780b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling yansi-term v0.1.2
[INFO] [stderr]    Compiling relative-path v1.3.2
[INFO] [stderr]    Compiling by_address v1.0.4
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling annotate-snippets v0.9.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling genco-macros v0.15.0
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling genco v0.15.0
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling turingarena-iospec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.06s
[INFO] running `Command { std: "docker" "inspect" "10db5f9e3525089af8e2e3144f01b8fd3fb3d3fade8490e7d9d6e94c0236780b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10db5f9e3525089af8e2e3144f01b8fd3fb3d3fade8490e7d9d6e94c0236780b", kill_on_drop: false }`
[INFO] [stdout] 10db5f9e3525089af8e2e3144f01b8fd3fb3d3fade8490e7d9d6e94c0236780b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] 2c08d45d158455b5a0ea32890951e8a61970b7fcc12e12be60d094d6e42d0764
[INFO] running `Command { std: "docker" "start" "-a" "2c08d45d158455b5a0ea32890951e8a61970b7fcc12e12be60d094d6e42d0764", kill_on_drop: false }`
[INFO] [stderr]    Compiling turingarena-iospec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "2c08d45d158455b5a0ea32890951e8a61970b7fcc12e12be60d094d6e42d0764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c08d45d158455b5a0ea32890951e8a61970b7fcc12e12be60d094d6e42d0764", kill_on_drop: false }`
[INFO] [stdout] 2c08d45d158455b5a0ea32890951e8a61970b7fcc12e12be60d094d6e42d0764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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] f535e7076f4df1c54669d8f305dd134d2caaabc34945c51996b78917aa9fbf70
[INFO] running `Command { std: "docker" "start" "-a" "f535e7076f4df1c54669d8f305dd134d2caaabc34945c51996b78917aa9fbf70", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/turingarena_iospec-dea4661fef96f094)
[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" "f535e7076f4df1c54669d8f305dd134d2caaabc34945c51996b78917aa9fbf70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f535e7076f4df1c54669d8f305dd134d2caaabc34945c51996b78917aa9fbf70", kill_on_drop: false }`
[INFO] [stdout] f535e7076f4df1c54669d8f305dd134d2caaabc34945c51996b78917aa9fbf70