[INFO] fetching crate json-minimal-tests 0.1.7...
[INFO] checking json-minimal-tests-0.1.7 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate json-minimal-tests 0.1.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate json-minimal-tests 0.1.7 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-1/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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09952fd5fa7fe2233b387a68544aa68e339ba7db846485e51b7de69b34161121
[INFO] running `Command { std: "docker" "start" "-a" "09952fd5fa7fe2233b387a68544aa68e339ba7db846485e51b7de69b34161121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09952fd5fa7fe2233b387a68544aa68e339ba7db846485e51b7de69b34161121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09952fd5fa7fe2233b387a68544aa68e339ba7db846485e51b7de69b34161121", kill_on_drop: false }`
[INFO] [stdout] 09952fd5fa7fe2233b387a68544aa68e339ba7db846485e51b7de69b34161121
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fea7992c2734e5726a02b2628f35f811685bfea4750380ebe2c533f465ec54e
[INFO] running `Command { std: "docker" "start" "-a" "7fea7992c2734e5726a02b2628f35f811685bfea4750380ebe2c533f465ec54e", kill_on_drop: false }`
[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 unicode-width v0.1.8
[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 html-escape v0.2.7
[INFO] [stderr]     Checking textwrap v0.11.0
[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 8.91s
[INFO] running `Command { std: "docker" "inspect" "7fea7992c2734e5726a02b2628f35f811685bfea4750380ebe2c533f465ec54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fea7992c2734e5726a02b2628f35f811685bfea4750380ebe2c533f465ec54e", kill_on_drop: false }`
[INFO] [stdout] 7fea7992c2734e5726a02b2628f35f811685bfea4750380ebe2c533f465ec54e