[INFO] cloning repository https://github.com/upsuper/maildir-pack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/upsuper/maildir-pack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsuper%2Fmaildir-pack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsuper%2Fmaildir-pack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5317685048b7987a3feff857b15167e5d68bcbec
[INFO] checking upsuper/maildir-pack against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsuper%2Fmaildir-pack" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/upsuper/maildir-pack 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/upsuper/maildir-pack
[INFO] finished tweaking git repo https://github.com/upsuper/maildir-pack
[INFO] tweaked toml for git repo https://github.com/upsuper/maildir-pack written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/upsuper/maildir-pack 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d8f76f92589fa254c7423fbb1cca29b047c8af5545e11aece496625fd5444b8b
[INFO] running `Command { std: "docker" "start" "-a" "d8f76f92589fa254c7423fbb1cca29b047c8af5545e11aece496625fd5444b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8f76f92589fa254c7423fbb1cca29b047c8af5545e11aece496625fd5444b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f76f92589fa254c7423fbb1cca29b047c8af5545e11aece496625fd5444b8b", kill_on_drop: false }`
[INFO] [stdout] d8f76f92589fa254c7423fbb1cca29b047c8af5545e11aece496625fd5444b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 06abc4fca4371e13c8d8da67e89e74ef627fbed0fe0cc8c2eb4ad352d09fb279
[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" "06abc4fca4371e13c8d8da67e89e74ef627fbed0fe0cc8c2eb4ad352d09fb279", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking leak v0.1.2
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking combine v4.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking assert_cmd v1.0.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking maildir-pack v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.64s
[INFO] running `Command { std: "docker" "inspect" "06abc4fca4371e13c8d8da67e89e74ef627fbed0fe0cc8c2eb4ad352d09fb279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06abc4fca4371e13c8d8da67e89e74ef627fbed0fe0cc8c2eb4ad352d09fb279", kill_on_drop: false }`
[INFO] [stdout] 06abc4fca4371e13c8d8da67e89e74ef627fbed0fe0cc8c2eb4ad352d09fb279