[INFO] fetching crate serde_json 1.0.71...
[INFO] checking serde_json-1.0.71 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate serde_json 1.0.71 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate serde_json 1.0.71 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_json 1.0.71
[INFO] finished tweaking crates.io crate serde_json 1.0.71
[INFO] tweaked toml for crates.io crate serde_json 1.0.71 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfd515769120293b67d629fcb37fa9b07fa92e5e49bf23e9aadfa512de8419bf
[INFO] running `Command { std: "docker" "start" "-a" "bfd515769120293b67d629fcb37fa9b07fa92e5e49bf23e9aadfa512de8419bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfd515769120293b67d629fcb37fa9b07fa92e5e49bf23e9aadfa512de8419bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfd515769120293b67d629fcb37fa9b07fa92e5e49bf23e9aadfa512de8419bf", kill_on_drop: false }`
[INFO] [stdout] bfd515769120293b67d629fcb37fa9b07fa92e5e49bf23e9aadfa512de8419bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f69ab81079bd3f001713f17e943e551d6a4e2e96f1f45926a482e6c5996a08b9
[INFO] running `Command { std: "docker" "start" "-a" "f69ab81079bd3f001713f17e943e551d6a4e2e96f1f45926a482e6c5996a08b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling trybuild v1.0.52
[INFO] [stderr]    Compiling serde_json v1.0.71 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking dissimilar v1.0.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling psm v0.1.16
[INFO] [stderr]    Compiling stacker v0.1.14
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling automod v1.0.2
[INFO] [stderr]     Checking serde_json v1.0.72
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking serde_stacker v0.1.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "f69ab81079bd3f001713f17e943e551d6a4e2e96f1f45926a482e6c5996a08b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69ab81079bd3f001713f17e943e551d6a4e2e96f1f45926a482e6c5996a08b9", kill_on_drop: false }`
[INFO] [stdout] f69ab81079bd3f001713f17e943e551d6a4e2e96f1f45926a482e6c5996a08b9