[INFO] fetching crate json-minimal-tests 0.1.7...
[INFO] checking json-minimal-tests-0.1.7 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate json-minimal-tests 0.1.7 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate json-minimal-tests 0.1.7 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-minimal-tests 0.1.7
[INFO] finished tweaking crates.io crate json-minimal-tests 0.1.7
[INFO] tweaked toml for crates.io crate json-minimal-tests 0.1.7 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] crate crates.io crate json-minimal-tests 0.1.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40e51bbc4b32c8951e2981652fc604b614ccfb8df0af5eceb4a5d7948c01062a
[INFO] running `Command { std: "docker" "start" "-a" "40e51bbc4b32c8951e2981652fc604b614ccfb8df0af5eceb4a5d7948c01062a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40e51bbc4b32c8951e2981652fc604b614ccfb8df0af5eceb4a5d7948c01062a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40e51bbc4b32c8951e2981652fc604b614ccfb8df0af5eceb4a5d7948c01062a", kill_on_drop: false }`
[INFO] [stdout] 40e51bbc4b32c8951e2981652fc604b614ccfb8df0af5eceb4a5d7948c01062a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9790bd9a8772dacaa19c92d8fc57dff77cd6c0d9a9d28ad055b54478862894bd
[INFO] running `Command { std: "docker" "start" "-a" "9790bd9a8772dacaa19c92d8fc57dff77cd6c0d9a9d28ad055b54478862894bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling const_fn v0.4.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking utf8-width v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking html-escape v0.2.7
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking assert-json-diff v2.0.0
[INFO] [stderr]     Checking json-minimal-tests v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.37s
[INFO] running `Command { std: "docker" "inspect" "9790bd9a8772dacaa19c92d8fc57dff77cd6c0d9a9d28ad055b54478862894bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9790bd9a8772dacaa19c92d8fc57dff77cd6c0d9a9d28ad055b54478862894bd", kill_on_drop: false }`
[INFO] [stdout] 9790bd9a8772dacaa19c92d8fc57dff77cd6c0d9a9d28ad055b54478862894bd