[INFO] fetching crate json_comments 0.2.2...
[INFO] checking json_comments-0.2.2 against try#306c6aded24f02440063be828ebe601fe5eb8323 for pr-133502-3
[INFO] extracting crate json_comments 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate json_comments 0.2.2 on toolchain 306c6aded24f02440063be828ebe601fe5eb8323
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json_comments 0.2.2
[INFO] finished tweaking crates.io crate json_comments 0.2.2
[INFO] tweaked toml for crates.io crate json_comments 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8617da5b28cf1ef8afaf9dc20e0867add47665ac88664480405c56e047cddba3
[INFO] running `Command { std: "docker" "start" "-a" "8617da5b28cf1ef8afaf9dc20e0867add47665ac88664480405c56e047cddba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8617da5b28cf1ef8afaf9dc20e0867add47665ac88664480405c56e047cddba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8617da5b28cf1ef8afaf9dc20e0867add47665ac88664480405c56e047cddba3", kill_on_drop: false }`
[INFO] [stdout] 8617da5b28cf1ef8afaf9dc20e0867add47665ac88664480405c56e047cddba3
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+306c6aded24f02440063be828ebe601fe5eb8323" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b47152d1ec33ba5f0923e9250fd6cbf9ad534c0a62b0cd5d410d8b124f72847
[INFO] running `Command { std: "docker" "start" "-a" "0b47152d1ec33ba5f0923e9250fd6cbf9ad534c0a62b0cd5d410d8b124f72847", kill_on_drop: false }`
[INFO] [stderr]     Checking json_comments v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "0b47152d1ec33ba5f0923e9250fd6cbf9ad534c0a62b0cd5d410d8b124f72847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b47152d1ec33ba5f0923e9250fd6cbf9ad534c0a62b0cd5d410d8b124f72847", kill_on_drop: false }`
[INFO] [stdout] 0b47152d1ec33ba5f0923e9250fd6cbf9ad534c0a62b0cd5d410d8b124f72847