[INFO] cloning repository https://github.com/marcwenz/learning-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcwenz/learning-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcwenz%2Flearning-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcwenz%2Flearning-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a14f95e52d1b356a15eab75f802668ee15f9ca6
[INFO] testing marcwenz/learning-rust against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcwenz%2Flearning-rust" "/workspace/builds/worker-20/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcwenz/learning-rust on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marcwenz/learning-rust
[INFO] finished tweaking git repo https://github.com/marcwenz/learning-rust
[INFO] tweaked toml for git repo https://github.com/marcwenz/learning-rust written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] crate git repo https://github.com/marcwenz/learning-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc3487d903219ebdcb739da4a703d47807e1ce31e1247788db4ee37bfb2a9350
[INFO] running `Command { std: "docker" "start" "-a" "fc3487d903219ebdcb739da4a703d47807e1ce31e1247788db4ee37bfb2a9350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc3487d903219ebdcb739da4a703d47807e1ce31e1247788db4ee37bfb2a9350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc3487d903219ebdcb739da4a703d47807e1ce31e1247788db4ee37bfb2a9350", kill_on_drop: false }`
[INFO] [stdout] fc3487d903219ebdcb739da4a703d47807e1ce31e1247788db4ee37bfb2a9350
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e441a246c15f14732b6ee79a203821d10fa17ab17b3c1a11615f78d24c882a8
[INFO] running `Command { std: "docker" "start" "-a" "2e441a246c15f14732b6ee79a203821d10fa17ab17b3c1a11615f78d24c882a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.12s
[INFO] running `Command { std: "docker" "inspect" "2e441a246c15f14732b6ee79a203821d10fa17ab17b3c1a11615f78d24c882a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e441a246c15f14732b6ee79a203821d10fa17ab17b3c1a11615f78d24c882a8", kill_on_drop: false }`
[INFO] [stdout] 2e441a246c15f14732b6ee79a203821d10fa17ab17b3c1a11615f78d24c882a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60f2ac202d095f7bbcce18f1c3acf467c0f14f9169873bccfdf75c09af470f1c
[INFO] running `Command { std: "docker" "start" "-a" "60f2ac202d095f7bbcce18f1c3acf467c0f14f9169873bccfdf75c09af470f1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "60f2ac202d095f7bbcce18f1c3acf467c0f14f9169873bccfdf75c09af470f1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60f2ac202d095f7bbcce18f1c3acf467c0f14f9169873bccfdf75c09af470f1c", kill_on_drop: false }`
[INFO] [stdout] 60f2ac202d095f7bbcce18f1c3acf467c0f14f9169873bccfdf75c09af470f1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87d830bfbe6f1a1b7b033a81e7b4edd8cd295f0ef27c036eb57548d6f70ce62b
[INFO] running `Command { std: "docker" "start" "-a" "87d830bfbe6f1a1b7b033a81e7b4edd8cd295f0ef27c036eb57548d6f70ce62b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learning-71bd83fa4c29673b)
[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" "87d830bfbe6f1a1b7b033a81e7b4edd8cd295f0ef27c036eb57548d6f70ce62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87d830bfbe6f1a1b7b033a81e7b4edd8cd295f0ef27c036eb57548d6f70ce62b", kill_on_drop: false }`
[INFO] [stdout] 87d830bfbe6f1a1b7b033a81e7b4edd8cd295f0ef27c036eb57548d6f70ce62b