[INFO] cloning repository https://github.com/aleksey-orekhov/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aleksey-orekhov/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksey-orekhov%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksey-orekhov%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0bafb17e009d7640f185ab42a6a9e32611189024
[INFO] checking aleksey-orekhov/mandelbrot against master#1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492 for pr-118553-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksey-orekhov%2Fmandelbrot" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aleksey-orekhov/mandelbrot on toolchain 1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aleksey-orekhov/mandelbrot
[INFO] finished tweaking git repo https://github.com/aleksey-orekhov/mandelbrot
[INFO] tweaked toml for git repo https://github.com/aleksey-orekhov/mandelbrot written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aleksey-orekhov/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ca8b71cff69b0c48e40ceb66d01b9f8d30b2492" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking aleksey-orekhov/mandelbrot against try#a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33 for pr-118553-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faleksey-orekhov%2Fmandelbrot" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aleksey-orekhov/mandelbrot on toolchain a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aleksey-orekhov/mandelbrot
[INFO] finished tweaking git repo https://github.com/aleksey-orekhov/mandelbrot
[INFO] tweaked toml for git repo https://github.com/aleksey-orekhov/mandelbrot written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/aleksey-orekhov/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image v0.6.1
[INFO] [stderr]   Downloaded enum_primitive v0.1.0
[INFO] [stderr]   Downloaded rustc-serialize v0.3.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2ab9624dfca1dcbfdd70937d72e673c7dd3210af65b585bed82eebceeeb26b3b
[INFO] running `Command { std: "docker" "start" "-a" "2ab9624dfca1dcbfdd70937d72e673c7dd3210af65b585bed82eebceeeb26b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ab9624dfca1dcbfdd70937d72e673c7dd3210af65b585bed82eebceeeb26b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ab9624dfca1dcbfdd70937d72e673c7dd3210af65b585bed82eebceeeb26b3b", kill_on_drop: false }`
[INFO] [stdout] 2ab9624dfca1dcbfdd70937d72e673c7dd3210af65b585bed82eebceeeb26b3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+a1ab9307c2d2e67595eb3bb22fd707ccd1f71e33" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ec2884e5ea25a2f9b7785b0e54587a71ddba54e43fafe2a0c1edef26a32829d
[INFO] running `Command { std: "docker" "start" "-a" "2ec2884e5ea25a2f9b7785b0e54587a71ddba54e43fafe2a0c1edef26a32829d", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]     Checking rustc-serialize v0.3.21
[INFO] [stderr]     Checking inflate v0.1.1
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking lzw v0.9.0
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking gif v0.7.0
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]    Compiling miniz-sys v0.1.7
[INFO] [stderr]     Checking flate2 v0.2.14
[INFO] [stderr]     Checking num-bigint v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.35
[INFO] [stderr]     Checking png v0.4.3
[INFO] [stderr]     Checking num-rational v0.1.35
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]     Checking enum_primitive v0.1.0
[INFO] [stderr]     Checking image v0.6.1
[INFO] [stderr]     Checking mandelbrot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     try!(encoder.encode(&pixels,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     try!(encoder.encode(&pixels,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.19s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.21
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "2ec2884e5ea25a2f9b7785b0e54587a71ddba54e43fafe2a0c1edef26a32829d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ec2884e5ea25a2f9b7785b0e54587a71ddba54e43fafe2a0c1edef26a32829d", kill_on_drop: false }`
[INFO] [stdout] 2ec2884e5ea25a2f9b7785b0e54587a71ddba54e43fafe2a0c1edef26a32829d