[INFO] fetching crate serde_jcs 0.1.0...
[INFO] testing serde_jcs-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate serde_jcs 0.1.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate serde_jcs 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 serde_jcs 0.1.0
[INFO] finished tweaking crates.io crate serde_jcs 0.1.0
[INFO] tweaked toml for crates.io crate serde_jcs 0.1.0 written to /workspace/builds/worker-52/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-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] d0627bca2ed1fef228673cadc218dd9e8193902799f6e2039e21395ba5775dae
[INFO] running `Command { std: "docker" "start" "-a" "d0627bca2ed1fef228673cadc218dd9e8193902799f6e2039e21395ba5775dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0627bca2ed1fef228673cadc218dd9e8193902799f6e2039e21395ba5775dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0627bca2ed1fef228673cadc218dd9e8193902799f6e2039e21395ba5775dae", kill_on_drop: false }`
[INFO] [stdout] d0627bca2ed1fef228673cadc218dd9e8193902799f6e2039e21395ba5775dae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 3944cbd42ae563e78e38c14f202a5ab6dd35c6915efa1c3837bbce954b219ff5
[INFO] running `Command { std: "docker" "start" "-a" "3944cbd42ae563e78e38c14f202a5ab6dd35c6915efa1c3837bbce954b219ff5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling ryu-js v0.2.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling serde_jcs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.15s
[INFO] running `Command { std: "docker" "inspect" "3944cbd42ae563e78e38c14f202a5ab6dd35c6915efa1c3837bbce954b219ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3944cbd42ae563e78e38c14f202a5ab6dd35c6915efa1c3837bbce954b219ff5", kill_on_drop: false }`
[INFO] [stdout] 3944cbd42ae563e78e38c14f202a5ab6dd35c6915efa1c3837bbce954b219ff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] b9dd3f25215b49ddfa54c82ce0a9c32b8e85eaf9c4ee05dd9bacc9def546847c
[INFO] running `Command { std: "docker" "start" "-a" "b9dd3f25215b49ddfa54c82ce0a9c32b8e85eaf9c4ee05dd9bacc9def546847c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_jcs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "b9dd3f25215b49ddfa54c82ce0a9c32b8e85eaf9c4ee05dd9bacc9def546847c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9dd3f25215b49ddfa54c82ce0a9c32b8e85eaf9c4ee05dd9bacc9def546847c", kill_on_drop: false }`
[INFO] [stdout] b9dd3f25215b49ddfa54c82ce0a9c32b8e85eaf9c4ee05dd9bacc9def546847c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] e4cf7cdcfa2977f24551c34fbe8cd09ec8737d392a3fbf78b6cf77b1afc8bdf6
[INFO] running `Command { std: "docker" "start" "-a" "e4cf7cdcfa2977f24551c34fbe8cd09ec8737d392a3fbf78b6cf77b1afc8bdf6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/serde_jcs-f0f673e7a80d2b2c)
[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]    Doc-tests serde_jcs
[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" "e4cf7cdcfa2977f24551c34fbe8cd09ec8737d392a3fbf78b6cf77b1afc8bdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4cf7cdcfa2977f24551c34fbe8cd09ec8737d392a3fbf78b6cf77b1afc8bdf6", kill_on_drop: false }`
[INFO] [stdout] e4cf7cdcfa2977f24551c34fbe8cd09ec8737d392a3fbf78b6cf77b1afc8bdf6