[INFO] fetching crate pretty 0.10.0...
[INFO] checking pretty-0.10.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate pretty 0.10.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate pretty 0.10.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pretty 0.10.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pretty 0.10.0
[INFO] tweaked toml for crates.io crate pretty 0.10.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate pretty 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6231fb3e7d051e86686ef8a74844fa194ad8dcac1455a74c879ba5f3dcc9c00
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f6231fb3e7d051e86686ef8a74844fa194ad8dcac1455a74c879ba5f3dcc9c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6231fb3e7d051e86686ef8a74844fa194ad8dcac1455a74c879ba5f3dcc9c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6231fb3e7d051e86686ef8a74844fa194ad8dcac1455a74c879ba5f3dcc9c00", kill_on_drop: false }`
[INFO] [stdout] f6231fb3e7d051e86686ef8a74844fa194ad8dcac1455a74c879ba5f3dcc9c00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e00ddbad1193854fe8be9e913fed40191bb141e2d312c976333247099b7858fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e00ddbad1193854fe8be9e913fed40191bb141e2d312c976333247099b7858fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking pretty v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking serde_json v1.0.49
[INFO] [stderr]     Checking bstr v0.2.12
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.105
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.71s
[INFO] running `Command { std: "docker" "inspect" "e00ddbad1193854fe8be9e913fed40191bb141e2d312c976333247099b7858fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e00ddbad1193854fe8be9e913fed40191bb141e2d312c976333247099b7858fa", kill_on_drop: false }`
[INFO] [stdout] e00ddbad1193854fe8be9e913fed40191bb141e2d312c976333247099b7858fa