[INFO] fetching crate rwc-rs 0.1.0...
[INFO] testing rwc-rs-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate rwc-rs 0.1.0 into /workspace/builds/worker-95/source
[INFO] validating manifest of crates.io crate rwc-rs 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 rwc-rs 0.1.0
[INFO] finished tweaking crates.io crate rwc-rs 0.1.0
[INFO] tweaked toml for crates.io crate rwc-rs 0.1.0 written to /workspace/builds/worker-95/source/Cargo.toml
[INFO] crate crates.io crate rwc-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] edcec4405827a7515b1abc11500867f44f0615b6189793dde590b1a185f60eae
[INFO] running `Command { std: "docker" "start" "-a" "edcec4405827a7515b1abc11500867f44f0615b6189793dde590b1a185f60eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edcec4405827a7515b1abc11500867f44f0615b6189793dde590b1a185f60eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edcec4405827a7515b1abc11500867f44f0615b6189793dde590b1a185f60eae", kill_on_drop: false }`
[INFO] [stdout] edcec4405827a7515b1abc11500867f44f0615b6189793dde590b1a185f60eae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 2229686593f5a8f0602af1e39da0376320cb84e54cff7a51b74fd4bdd0937b60
[INFO] running `Command { std: "docker" "start" "-a" "2229686593f5a8f0602af1e39da0376320cb84e54cff7a51b74fd4bdd0937b60", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling rwc-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.94s
[INFO] running `Command { std: "docker" "inspect" "2229686593f5a8f0602af1e39da0376320cb84e54cff7a51b74fd4bdd0937b60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2229686593f5a8f0602af1e39da0376320cb84e54cff7a51b74fd4bdd0937b60", kill_on_drop: false }`
[INFO] [stdout] 2229686593f5a8f0602af1e39da0376320cb84e54cff7a51b74fd4bdd0937b60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] cb8fb84b0acc238fdb4b3ca91b6e8813fd43ba920e6da8908448c2ac6ffa541b
[INFO] running `Command { std: "docker" "start" "-a" "cb8fb84b0acc238fdb4b3ca91b6e8813fd43ba920e6da8908448c2ac6ffa541b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rwc-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "cb8fb84b0acc238fdb4b3ca91b6e8813fd43ba920e6da8908448c2ac6ffa541b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8fb84b0acc238fdb4b3ca91b6e8813fd43ba920e6da8908448c2ac6ffa541b", kill_on_drop: false }`
[INFO] [stdout] cb8fb84b0acc238fdb4b3ca91b6e8813fd43ba920e6da8908448c2ac6ffa541b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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] 6a454f0f19fa8684e57b52c78e0870c36ff02ec21772e2c9a093a28e48adf07d
[INFO] running `Command { std: "docker" "start" "-a" "6a454f0f19fa8684e57b52c78e0870c36ff02ec21772e2c9a093a28e48adf07d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rwc_rs-14e63b7ee250fdba)
[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" "6a454f0f19fa8684e57b52c78e0870c36ff02ec21772e2c9a093a28e48adf07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a454f0f19fa8684e57b52c78e0870c36ff02ec21772e2c9a093a28e48adf07d", kill_on_drop: false }`
[INFO] [stdout] 6a454f0f19fa8684e57b52c78e0870c36ff02ec21772e2c9a093a28e48adf07d