[INFO] updating cached repository https://github.com/MaybeS/cs420
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8a69a32768cfcb3ef42fd837803173c759d40af
[INFO] checking MaybeS/cs420 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaybeS%2Fcs420" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaybeS/cs420 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaybeS/cs420
[INFO] finished tweaking git repo https://github.com/MaybeS/cs420
[INFO] tweaked toml for git repo https://github.com/MaybeS/cs420 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/MaybeS/cs420 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71bb5fdb4f68d9cdb0fbc0acc9acfb5a005ea1ebe2fb7b9c30790b17f6893b26
[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" "71bb5fdb4f68d9cdb0fbc0acc9acfb5a005ea1ebe2fb7b9c30790b17f6893b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71bb5fdb4f68d9cdb0fbc0acc9acfb5a005ea1ebe2fb7b9c30790b17f6893b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71bb5fdb4f68d9cdb0fbc0acc9acfb5a005ea1ebe2fb7b9c30790b17f6893b26", kill_on_drop: false }`
[INFO] [stdout] 71bb5fdb4f68d9cdb0fbc0acc9acfb5a005ea1ebe2fb7b9c30790b17f6893b26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8624d800f9b2939877ea9eabfaaba2e8e350be789e1e6401b2ce86e0228925d
[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" "f8624d800f9b2939877ea9eabfaaba2e8e350be789e1e6401b2ce86e0228925d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.3.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling hexf-parse v0.1.0
[INFO] [stderr]    Compiling peg-runtime v0.6.2
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking lang-c v0.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling proc-macro-hack v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling hexf-impl v0.1.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling peg-macros v0.6.2
[INFO] [stderr]     Checking hexf v0.1.0
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking peg v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking kecc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.22s
[INFO] running `Command { std: "docker" "inspect" "f8624d800f9b2939877ea9eabfaaba2e8e350be789e1e6401b2ce86e0228925d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8624d800f9b2939877ea9eabfaaba2e8e350be789e1e6401b2ce86e0228925d", kill_on_drop: false }`
[INFO] [stdout] f8624d800f9b2939877ea9eabfaaba2e8e350be789e1e6401b2ce86e0228925d