[INFO] cloning repository https://github.com/cr0sh/lc3p2atest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cr0sh/lc3p2atest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcr0sh%2Flc3p2atest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcr0sh%2Flc3p2atest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42cbdbcae03deb00c53c23c8dd38f5cc2b520aca
[INFO] checking cr0sh/lc3p2atest against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcr0sh%2Flc3p2atest" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cr0sh/lc3p2atest on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cr0sh/lc3p2atest
[INFO] finished tweaking git repo https://github.com/cr0sh/lc3p2atest
[INFO] tweaked toml for git repo https://github.com/cr0sh/lc3p2atest written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/cr0sh/lc3p2atest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded floating-duration v0.1.2
[INFO] [stderr]   Downloaded lc3-rs v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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] 6e2e433ee04f1087e86d3b0b3ffcf7604ff4a798c37adce764c1a3b1b2595501
[INFO] running `Command { std: "docker" "start" "-a" "6e2e433ee04f1087e86d3b0b3ffcf7604ff4a798c37adce764c1a3b1b2595501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e2e433ee04f1087e86d3b0b3ffcf7604ff4a798c37adce764c1a3b1b2595501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e2e433ee04f1087e86d3b0b3ffcf7604ff4a798c37adce764c1a3b1b2595501", kill_on_drop: false }`
[INFO] [stdout] 6e2e433ee04f1087e86d3b0b3ffcf7604ff4a798c37adce764c1a3b1b2595501
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd29ad57e5d5e68a9e114ec0b48685fa79219a01a82b05b2c639519be2ae9e52
[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" "bd29ad57e5d5e68a9e114ec0b48685fa79219a01a82b05b2c639519be2ae9e52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking floating-duration v0.1.2
[INFO] [stderr]     Checking lc3-rs v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking lc3p2atest v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.45s
[INFO] running `Command { std: "docker" "inspect" "bd29ad57e5d5e68a9e114ec0b48685fa79219a01a82b05b2c639519be2ae9e52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd29ad57e5d5e68a9e114ec0b48685fa79219a01a82b05b2c639519be2ae9e52", kill_on_drop: false }`
[INFO] [stdout] bd29ad57e5d5e68a9e114ec0b48685fa79219a01a82b05b2c639519be2ae9e52