[INFO] fetching crate repgrep 0.9.0...
[INFO] checking repgrep-0.9.0 against beta for pr-78714
[INFO] extracting crate repgrep 0.9.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate repgrep 0.9.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate repgrep 0.9.0
[INFO] finished tweaking crates.io crate repgrep 0.9.0
[INFO] tweaked toml for crates.io crate repgrep 0.9.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate repgrep 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcfdbd9308029bdc944f03bcf4fb3320f1ffe227590bce9dcf220d71f2fd6765
[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" "fcfdbd9308029bdc944f03bcf4fb3320f1ffe227590bce9dcf220d71f2fd6765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcfdbd9308029bdc944f03bcf4fb3320f1ffe227590bce9dcf220d71f2fd6765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcfdbd9308029bdc944f03bcf4fb3320f1ffe227590bce9dcf220d71f2fd6765", kill_on_drop: false }`
[INFO] [stdout] fcfdbd9308029bdc944f03bcf4fb3320f1ffe227590bce9dcf220d71f2fd6765
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31cfd0724cc73b9d4ee8282fb64c105a71564f0d9ea36182c4bb20478ff1cd42
[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" "31cfd0724cc73b9d4ee8282fb64c105a71564f0d9ea36182c4bb20478ff1cd42", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling os_str_bytes v2.3.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking safe-transmute v0.11.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio v0.7.3
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking crossterm v0.18.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tui v0.12.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling clap v3.0.0-beta.2
[INFO] [stderr]    Compiling clap_generate v3.0.0-beta.2
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]    Compiling repgrep v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.11s
[INFO] running `Command { std: "docker" "inspect" "31cfd0724cc73b9d4ee8282fb64c105a71564f0d9ea36182c4bb20478ff1cd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31cfd0724cc73b9d4ee8282fb64c105a71564f0d9ea36182c4bb20478ff1cd42", kill_on_drop: false }`
[INFO] [stdout] 31cfd0724cc73b9d4ee8282fb64c105a71564f0d9ea36182c4bb20478ff1cd42