[INFO] fetching crate atelier_json 0.2.7...
[INFO] checking atelier_json-0.2.7 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate atelier_json 0.2.7 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate atelier_json 0.2.7
[INFO] finished tweaking crates.io crate atelier_json 0.2.7
[INFO] tweaked toml for crates.io crate atelier_json 0.2.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate atelier_json 0.2.7 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate atelier_json 0.2.7 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.20
[INFO] [stderr]   Downloaded atelier_test v0.1.4
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] [stderr]   Downloaded assert-json-diff v2.0.1
[INFO] [stderr]   Downloaded addr2line v0.15.2
[INFO] [stderr]   Downloaded object v0.25.3
[INFO] [stderr]   Downloaded backtrace v0.3.60
[INFO] [stderr]   Downloaded atelier_core v0.2.22
[INFO] [stderr]   Downloaded gimli v0.24.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cbe80625172486182270f65b0708fc71dc528fcb05feb1dc52c7ce92d5d8a89
[INFO] running `Command { std: "docker" "start" "-a" "8cbe80625172486182270f65b0708fc71dc528fcb05feb1dc52c7ce92d5d8a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cbe80625172486182270f65b0708fc71dc528fcb05feb1dc52c7ce92d5d8a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbe80625172486182270f65b0708fc71dc528fcb05feb1dc52c7ce92d5d8a89", kill_on_drop: false }`
[INFO] [stdout] 8cbe80625172486182270f65b0708fc71dc528fcb05feb1dc52c7ce92d5d8a89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ec2cf42a48d06ba5fd64f9511b8c6f0e3c19ad0cc637321c8a3baa3ef3c939b
[INFO] running `Command { std: "docker" "start" "-a" "3ec2cf42a48d06ba5fd64f9511b8c6f0e3c19ad0cc637321c8a3baa3ef3c939b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking atelier_core v0.2.22
[INFO] [stderr]     Checking atelier_test v0.1.4
[INFO] [stderr]     Checking assert-json-diff v2.0.1
[INFO] [stderr]     Checking atelier_json v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `Command { std: "docker" "inspect" "3ec2cf42a48d06ba5fd64f9511b8c6f0e3c19ad0cc637321c8a3baa3ef3c939b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec2cf42a48d06ba5fd64f9511b8c6f0e3c19ad0cc637321c8a3baa3ef3c939b", kill_on_drop: false }`
[INFO] [stdout] 3ec2cf42a48d06ba5fd64f9511b8c6f0e3c19ad0cc637321c8a3baa3ef3c939b