[INFO] fetching crate json-strip-comments 1.0.4...
[INFO] checking json-strip-comments-1.0.4 against master#dc8fe1f81c6cf13c0987944c525b2aa81625b5d0 for pr-133502-4
[INFO] extracting crate json-strip-comments 1.0.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate json-strip-comments 1.0.4 on toolchain dc8fe1f81c6cf13c0987944c525b2aa81625b5d0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate json-strip-comments 1.0.4
[INFO] finished tweaking crates.io crate json-strip-comments 1.0.4
[INFO] tweaked toml for crates.io crate json-strip-comments 1.0.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate json-strip-comments 1.0.4 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" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.85
[INFO] [stderr]   Downloaded codspeed v2.6.0
[INFO] [stderr]   Downloaded quote v1.0.36
[INFO] [stderr]   Downloaded autocfg v1.3.0
[INFO] [stderr]   Downloaded colored v2.1.0
[INFO] [stderr]   Downloaded anes v0.2.0
[INFO] [stderr]   Downloaded half v2.4.1
[INFO] [stderr]   Downloaded serde v1.0.203
[INFO] [stderr]   Downloaded criterion2 v0.11.0
[INFO] [stderr]   Downloaded winapi-util v0.1.8
[INFO] [stderr]   Downloaded unicode-ident v1.0.12
[INFO] [stderr]   Downloaded serde_json v1.0.120
[INFO] [stderr]   Downloaded bpaf v0.9.12
[INFO] [stderr]   Downloaded oorandom v11.1.4
[INFO] [stderr]   Downloaded itoa v1.0.11
[INFO] [stderr]   Downloaded serde_derive v1.0.203
[INFO] [stderr]   Downloaded syn v2.0.66
[INFO] [stderr]   Downloaded libc v0.2.155
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a2acc747e43fe3fadceaafcff31b50bc7aca2145c79c8067058099092a6a58c
[INFO] running `Command { std: "docker" "start" "-a" "0a2acc747e43fe3fadceaafcff31b50bc7aca2145c79c8067058099092a6a58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a2acc747e43fe3fadceaafcff31b50bc7aca2145c79c8067058099092a6a58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a2acc747e43fe3fadceaafcff31b50bc7aca2145c79c8067058099092a6a58c", kill_on_drop: false }`
[INFO] [stdout] 0a2acc747e43fe3fadceaafcff31b50bc7aca2145c79c8067058099092a6a58c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+dc8fe1f81c6cf13c0987944c525b2aa81625b5d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44fa0fdde08441e2a3e58f905894bf870117876d694353beee114dce1be03fa5
[INFO] running `Command { std: "docker" "start" "-a" "44fa0fdde08441e2a3e58f905894bf870117876d694353beee114dce1be03fa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.85
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking bpaf v0.9.12
[INFO] [stderr]     Checking oorandom v11.1.4
[INFO] [stderr]     Checking anes v0.2.0
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking json-strip-comments v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking criterion2 v0.11.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.58s
[INFO] running `Command { std: "docker" "inspect" "44fa0fdde08441e2a3e58f905894bf870117876d694353beee114dce1be03fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44fa0fdde08441e2a3e58f905894bf870117876d694353beee114dce1be03fa5", kill_on_drop: false }`
[INFO] [stdout] 44fa0fdde08441e2a3e58f905894bf870117876d694353beee114dce1be03fa5