[INFO] cloning repository https://github.com/umut-sahin/rust-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umut-sahin/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumut-sahin%2Frust-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumut-sahin%2Frust-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4b5f1986c06f4e327edfb94d10f1ea47cb0143c
[INFO] checking umut-sahin/rust-examples against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumut-sahin%2Frust-examples" "/workspace/builds/worker-32/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-32/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umut-sahin/rust-examples on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umut-sahin/rust-examples
[INFO] finished tweaking git repo https://github.com/umut-sahin/rust-examples
[INFO] tweaked toml for git repo https://github.com/umut-sahin/rust-examples written to /workspace/builds/worker-32/source/Cargo.toml
[INFO] crate git repo https://github.com/umut-sahin/rust-examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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 libc v0.2.59
[INFO] [stderr]   Downloaded atty v0.2.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ec09c46521701d0bf10174ab5144057bc456d12e06e6725c489097bc01ec158
[INFO] running `Command { std: "docker" "start" "-a" "1ec09c46521701d0bf10174ab5144057bc456d12e06e6725c489097bc01ec158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ec09c46521701d0bf10174ab5144057bc456d12e06e6725c489097bc01ec158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ec09c46521701d0bf10174ab5144057bc456d12e06e6725c489097bc01ec158", kill_on_drop: false }`
[INFO] [stdout] 1ec09c46521701d0bf10174ab5144057bc456d12e06e6725c489097bc01ec158
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c408f1557a233a69aeed6117b5177d3f9359dfd3380c3adbf3b21e5a6a630d5
[INFO] running `Command { std: "docker" "start" "-a" "7c408f1557a233a69aeed6117b5177d3f9359dfd3380c3adbf3b21e5a6a630d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking rgb v0.8.13
[INFO] [stderr]     Checking operator-overloading v1.0.0 (/opt/rustwide/workdir/operator-overloading)
[INFO] [stderr]     Checking read-from-console v1.0.0 (/opt/rustwide/workdir/read-from-console)
[INFO] [stderr]     Checking write-to-console v1.0.0 (/opt/rustwide/workdir/write-to-console)
[INFO] [stderr]     Checking threads v1.0.0 (/opt/rustwide/workdir/threads)
[INFO] [stderr]     Checking parking-threads v1.0.0 (/opt/rustwide/workdir/parking-threads)
[INFO] [stderr]     Checking command-line-arguments v1.0.0 (/opt/rustwide/workdir/command-line-arguments)
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking atty v0.2.12
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking memory-mapped-io v1.0.0 (/opt/rustwide/workdir/memory-mapped-io)
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking brainfuck-interpreter v1.0.0 (/opt/rustwide/workdir/brainfuck-interpreter)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.05s
[INFO] running `Command { std: "docker" "inspect" "7c408f1557a233a69aeed6117b5177d3f9359dfd3380c3adbf3b21e5a6a630d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c408f1557a233a69aeed6117b5177d3f9359dfd3380c3adbf3b21e5a6a630d5", kill_on_drop: false }`
[INFO] [stdout] 7c408f1557a233a69aeed6117b5177d3f9359dfd3380c3adbf3b21e5a6a630d5