[INFO] cloning repository https://github.com/LukewarmCoffee/epub-kanji-frequency
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LukewarmCoffee/epub-kanji-frequency" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukewarmCoffee%2Fepub-kanji-frequency", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukewarmCoffee%2Fepub-kanji-frequency'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffc5620312557cd65ce8e0c1054aa8451782e406
[INFO] checking LukewarmCoffee/epub-kanji-frequency against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLukewarmCoffee%2Fepub-kanji-frequency" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LukewarmCoffee/epub-kanji-frequency on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LukewarmCoffee/epub-kanji-frequency
[INFO] finished tweaking git repo https://github.com/LukewarmCoffee/epub-kanji-frequency
[INFO] tweaked toml for git repo https://github.com/LukewarmCoffee/epub-kanji-frequency written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/LukewarmCoffee/epub-kanji-frequency already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f5461ee444017565377f4f92ef3ceb5ae6e38d8745bb014dcb56d97140cd0ca
[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" "7f5461ee444017565377f4f92ef3ceb5ae6e38d8745bb014dcb56d97140cd0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f5461ee444017565377f4f92ef3ceb5ae6e38d8745bb014dcb56d97140cd0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f5461ee444017565377f4f92ef3ceb5ae6e38d8745bb014dcb56d97140cd0ca", kill_on_drop: false }`
[INFO] [stdout] 7f5461ee444017565377f4f92ef3ceb5ae6e38d8745bb014dcb56d97140cd0ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecaacfb9ae1a5047eed79192d82a4536674635c10adab138ef95384bb53d21e6
[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" "ecaacfb9ae1a5047eed79192d82a4536674635c10adab138ef95384bb53d21e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking rustc-demangle v0.1.17
[INFO] [stderr]     Checking object v0.21.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.53
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking zip v0.5.8
[INFO] [stderr]     Checking epub v1.2.2
[INFO] [stderr]     Checking kanji-frequency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.19s
[INFO] running `Command { std: "docker" "inspect" "ecaacfb9ae1a5047eed79192d82a4536674635c10adab138ef95384bb53d21e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecaacfb9ae1a5047eed79192d82a4536674635c10adab138ef95384bb53d21e6", kill_on_drop: false }`
[INFO] [stdout] ecaacfb9ae1a5047eed79192d82a4536674635c10adab138ef95384bb53d21e6