[INFO] cloning repository https://github.com/Kleefuchs/serde-json-file-io-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kleefuchs/serde-json-file-io-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKleefuchs%2Fserde-json-file-io-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKleefuchs%2Fserde-json-file-io-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88d67ecf05f4f1c1f4efc5fdc4a67053d2536937
[INFO] checking Kleefuchs/serde-json-file-io-rs against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKleefuchs%2Fserde-json-file-io-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kleefuchs/serde-json-file-io-rs
[INFO] finished tweaking git repo https://github.com/Kleefuchs/serde-json-file-io-rs
[INFO] tweaked toml for git repo https://github.com/Kleefuchs/serde-json-file-io-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kleefuchs/serde-json-file-io-rs on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kleefuchs/serde-json-file-io-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4500e9e16108c6458c5c278b94c88627d0365c382fcd55ccf7a1414d0611ad1
[INFO] running `Command { std: "docker" "start" "-a" "b4500e9e16108c6458c5c278b94c88627d0365c382fcd55ccf7a1414d0611ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4500e9e16108c6458c5c278b94c88627d0365c382fcd55ccf7a1414d0611ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4500e9e16108c6458c5c278b94c88627d0365c382fcd55ccf7a1414d0611ad1", kill_on_drop: false }`
[INFO] [stdout] b4500e9e16108c6458c5c278b94c88627d0365c382fcd55ccf7a1414d0611ad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4edf2d7ec97849d0bd268b281d1ea04a5c0a0ec3e8f994019d1f47f06c8113a2
[INFO] running `Command { std: "docker" "start" "-a" "4edf2d7ec97849d0bd268b281d1ea04a5c0a0ec3e8f994019d1f47f06c8113a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]     Checking serde-json-file-io v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "4edf2d7ec97849d0bd268b281d1ea04a5c0a0ec3e8f994019d1f47f06c8113a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4edf2d7ec97849d0bd268b281d1ea04a5c0a0ec3e8f994019d1f47f06c8113a2", kill_on_drop: false }`
[INFO] [stdout] 4edf2d7ec97849d0bd268b281d1ea04a5c0a0ec3e8f994019d1f47f06c8113a2