[INFO] cloning repository https://github.com/TyrantWave/fractal-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TyrantWave/fractal-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyrantWave%2Ffractal-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyrantWave%2Ffractal-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e320e507dd18b4212566542016ff88f90bd4b27
[INFO] checking TyrantWave/fractal-rust against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTyrantWave%2Ffractal-rust" "/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/TyrantWave/fractal-rust on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TyrantWave/fractal-rust
[INFO] finished tweaking git repo https://github.com/TyrantWave/fractal-rust
[INFO] tweaked toml for git repo https://github.com/TyrantWave/fractal-rust written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/TyrantWave/fractal-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d47841148f936ea62bed9fb5e33721de5eb398385176a1844779d230f2be518d
[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" "d47841148f936ea62bed9fb5e33721de5eb398385176a1844779d230f2be518d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d47841148f936ea62bed9fb5e33721de5eb398385176a1844779d230f2be518d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47841148f936ea62bed9fb5e33721de5eb398385176a1844779d230f2be518d", kill_on_drop: false }`
[INFO] [stdout] d47841148f936ea62bed9fb5e33721de5eb398385176a1844779d230f2be518d
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 200d8b9361cd172312f7418f49227b99c96038c079c9c0475f9a990136d5bd98
[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" "200d8b9361cd172312f7418f49227b99c96038c079c9c0475f9a990136d5bd98", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.21.0
[INFO] [stderr]     Checking fractal v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.58s
[INFO] running `Command { std: "docker" "inspect" "200d8b9361cd172312f7418f49227b99c96038c079c9c0475f9a990136d5bd98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "200d8b9361cd172312f7418f49227b99c96038c079c9c0475f9a990136d5bd98", kill_on_drop: false }`
[INFO] [stdout] 200d8b9361cd172312f7418f49227b99c96038c079c9c0475f9a990136d5bd98