[INFO] cloning repository https://github.com/robo-hamburger/rs_fractal
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robo-hamburger/rs_fractal" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobo-hamburger%2Frs_fractal", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobo-hamburger%2Frs_fractal'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38ff37fe62b7474603765174bbde079284cd3b03
[INFO] checking robo-hamburger/rs_fractal against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobo-hamburger%2Frs_fractal" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robo-hamburger/rs_fractal on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/robo-hamburger/rs_fractal
[INFO] finished tweaking git repo https://github.com/robo-hamburger/rs_fractal
[INFO] tweaked toml for git repo https://github.com/robo-hamburger/rs_fractal written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/robo-hamburger/rs_fractal already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded png v0.5.2
[INFO] [stderr]   Downloaded enum_primitive v0.1.0
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.9
[INFO] [stderr]   Downloaded num-complex v0.1.35
[INFO] [stderr]   Downloaded rayon v0.5.0
[INFO] [stderr]   Downloaded image v0.10.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e635f66b9e720701387ec0b5b1fd385eb9cfa9b1093b1132226c24f6b4884efc
[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" "e635f66b9e720701387ec0b5b1fd385eb9cfa9b1093b1132226c24f6b4884efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e635f66b9e720701387ec0b5b1fd385eb9cfa9b1093b1132226c24f6b4884efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e635f66b9e720701387ec0b5b1fd385eb9cfa9b1093b1132226c24f6b4884efc", kill_on_drop: false }`
[INFO] [stdout] e635f66b9e720701387ec0b5b1fd385eb9cfa9b1093b1132226c24f6b4884efc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 41b6f735888f0a0bb0e07ba22a3b2e6c9f65817e600ef561619fcaa95dbd9270
[INFO] running `Command { std: "docker" "start" "-a" "41b6f735888f0a0bb0e07ba22a3b2e6c9f65817e600ef561619fcaa95dbd9270", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.40
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.7
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking deque v0.3.1
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking rayon v0.5.0
[INFO] [stderr]     Checking gif v0.9.0
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking jpeg-decoder v0.1.9
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking png v0.5.2
[INFO] [stderr]     Checking image v0.10.4
[INFO] [stderr]     Checking rs_fractal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.88s
[INFO] running `Command { std: "docker" "inspect" "41b6f735888f0a0bb0e07ba22a3b2e6c9f65817e600ef561619fcaa95dbd9270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b6f735888f0a0bb0e07ba22a3b2e6c9f65817e600ef561619fcaa95dbd9270", kill_on_drop: false }`
[INFO] [stdout] 41b6f735888f0a0bb0e07ba22a3b2e6c9f65817e600ef561619fcaa95dbd9270