[INFO] cloning repository https://github.com/Jeffail/jc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jeffail/jc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffail%2Fjc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffail%2Fjc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 710379e1b25f908b980af5f2143ef07aacb3f2c6
[INFO] testing Jeffail/jc against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeffail%2Fjc" "/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/Jeffail/jc on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jeffail/jc
[INFO] finished tweaking git repo https://github.com/Jeffail/jc
[INFO] tweaked toml for git repo https://github.com/Jeffail/jc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Jeffail/jc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.19.0
[INFO] [stderr]   Downloaded serde_json v1.0.9
[INFO] [stderr]   Downloaded rand v0.3.20
[INFO] [stderr]   Downloaded serde_derive v1.0.27
[INFO] [stderr]   Downloaded chan-signal v0.3.1
[INFO] [stderr]   Downloaded chan v0.1.20
[INFO] [stderr]   Downloaded siphasher v0.1.3
[INFO] [stderr]   Downloaded clap v2.29.2
[INFO] [stderr]   Downloaded hyperloglog v0.0.11
[INFO] [stderr]   Downloaded num-traits v0.1.41
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28b6fc58d9419603b4cf51daf3de9bbc0ae64e42f563f8a83eb16535bb539246
[INFO] running `Command { std: "docker" "start" "-a" "28b6fc58d9419603b4cf51daf3de9bbc0ae64e42f563f8a83eb16535bb539246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28b6fc58d9419603b4cf51daf3de9bbc0ae64e42f563f8a83eb16535bb539246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28b6fc58d9419603b4cf51daf3de9bbc0ae64e42f563f8a83eb16535bb539246", kill_on_drop: false }`
[INFO] [stdout] 28b6fc58d9419603b4cf51daf3de9bbc0ae64e42f563f8a83eb16535bb539246
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8fc6cdf3c6728556d891f58faa6b2164d67ecfb177ba06a7da90cf613a11eb8
[INFO] running `Command { std: "docker" "start" "-a" "d8fc6cdf3c6728556d891f58faa6b2164d67ecfb177ba06a7da90cf613a11eb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling siphasher v0.1.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand v0.3.20
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.29.2
[INFO] [stderr]    Compiling chan v0.1.20
[INFO] [stderr]    Compiling hyperloglog v0.0.11
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling chan-signal v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling serde_json v1.0.9
[INFO] [stderr]    Compiling jc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.25s
[INFO] running `Command { std: "docker" "inspect" "d8fc6cdf3c6728556d891f58faa6b2164d67ecfb177ba06a7da90cf613a11eb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8fc6cdf3c6728556d891f58faa6b2164d67ecfb177ba06a7da90cf613a11eb8", kill_on_drop: false }`
[INFO] [stdout] d8fc6cdf3c6728556d891f58faa6b2164d67ecfb177ba06a7da90cf613a11eb8
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 892adb792dddb1abce8f403dcf1be84433455a086a1d43addc382f96d79e77a8
[INFO] running `Command { std: "docker" "start" "-a" "892adb792dddb1abce8f403dcf1be84433455a086a1d43addc382f96d79e77a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling jc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "892adb792dddb1abce8f403dcf1be84433455a086a1d43addc382f96d79e77a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "892adb792dddb1abce8f403dcf1be84433455a086a1d43addc382f96d79e77a8", kill_on_drop: false }`
[INFO] [stdout] 892adb792dddb1abce8f403dcf1be84433455a086a1d43addc382f96d79e77a8
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d6ed4e3bd3b274aa061343eff5cca189109a68930f72804659f0b1bedbdd81f9
[INFO] running `Command { std: "docker" "start" "-a" "d6ed4e3bd3b274aa061343eff5cca189109a68930f72804659f0b1bedbdd81f9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jc-c8c19f76ef7dc5ab)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d6ed4e3bd3b274aa061343eff5cca189109a68930f72804659f0b1bedbdd81f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6ed4e3bd3b274aa061343eff5cca189109a68930f72804659f0b1bedbdd81f9", kill_on_drop: false }`
[INFO] [stdout] d6ed4e3bd3b274aa061343eff5cca189109a68930f72804659f0b1bedbdd81f9