[INFO] cloning repository https://github.com/zhaoxu1943/rust_concentration
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhaoxu1943/rust_concentration" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaoxu1943%2Frust_concentration", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaoxu1943%2Frust_concentration'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ba040341979c32cf9f59bef7b3c1e2f56dfe81d
[INFO] testing zhaoxu1943/rust_concentration against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhaoxu1943%2Frust_concentration" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhaoxu1943/rust_concentration 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/zhaoxu1943/rust_concentration
[INFO] finished tweaking git repo https://github.com/zhaoxu1943/rust_concentration
[INFO] tweaked toml for git repo https://github.com/zhaoxu1943/rust_concentration written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/zhaoxu1943/rust_concentration 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] f81ac79c98265ba10b81a73cf13205c5fc4ed1b669851ec3a86b9d893374e21f
[INFO] running `Command { std: "docker" "start" "-a" "f81ac79c98265ba10b81a73cf13205c5fc4ed1b669851ec3a86b9d893374e21f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f81ac79c98265ba10b81a73cf13205c5fc4ed1b669851ec3a86b9d893374e21f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81ac79c98265ba10b81a73cf13205c5fc4ed1b669851ec3a86b9d893374e21f", kill_on_drop: false }`
[INFO] [stdout] f81ac79c98265ba10b81a73cf13205c5fc4ed1b669851ec3a86b9d893374e21f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] dedaf5bccb393aa823b29690a7ab84b9d6a6ded70e5dc4d48173341098b8ab0c
[INFO] running `Command { std: "docker" "start" "-a" "dedaf5bccb393aa823b29690a7ab84b9d6a6ded70e5dc4d48173341098b8ab0c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_concentration v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "dedaf5bccb393aa823b29690a7ab84b9d6a6ded70e5dc4d48173341098b8ab0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedaf5bccb393aa823b29690a7ab84b9d6a6ded70e5dc4d48173341098b8ab0c", kill_on_drop: false }`
[INFO] [stdout] dedaf5bccb393aa823b29690a7ab84b9d6a6ded70e5dc4d48173341098b8ab0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 27012928dc048658c4e8076bb5da7a8d74ed04f806537b3b2d05b94be9d79f48
[INFO] running `Command { std: "docker" "start" "-a" "27012928dc048658c4e8076bb5da7a8d74ed04f806537b3b2d05b94be9d79f48", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_concentration v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "27012928dc048658c4e8076bb5da7a8d74ed04f806537b3b2d05b94be9d79f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27012928dc048658c4e8076bb5da7a8d74ed04f806537b3b2d05b94be9d79f48", kill_on_drop: false }`
[INFO] [stdout] 27012928dc048658c4e8076bb5da7a8d74ed04f806537b3b2d05b94be9d79f48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 1f5733a9bbd4f78fb85ccbcb3115c1b7eb97059ae6896353fba0b61eda83b769
[INFO] running `Command { std: "docker" "start" "-a" "1f5733a9bbd4f78fb85ccbcb3115c1b7eb97059ae6896353fba0b61eda83b769", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_concentration-da7551b73240f259)
[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" "1f5733a9bbd4f78fb85ccbcb3115c1b7eb97059ae6896353fba0b61eda83b769", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5733a9bbd4f78fb85ccbcb3115c1b7eb97059ae6896353fba0b61eda83b769", kill_on_drop: false }`
[INFO] [stdout] 1f5733a9bbd4f78fb85ccbcb3115c1b7eb97059ae6896353fba0b61eda83b769