[INFO] cloning repository https://github.com/khuey/rustc-1.18-regression
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/khuey/rustc-1.18-regression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhuey%2Frustc-1.18-regression", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhuey%2Frustc-1.18-regression'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 358a3adb46ac9859d5083e4a7bdccbbfc32d7deb
[INFO] testing khuey/rustc-1.18-regression against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhuey%2Frustc-1.18-regression" "/workspace/builds/worker-29/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khuey/rustc-1.18-regression on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/khuey/rustc-1.18-regression
[INFO] finished tweaking git repo https://github.com/khuey/rustc-1.18-regression
[INFO] tweaked toml for git repo https://github.com/khuey/rustc-1.18-regression written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] crate git repo https://github.com/khuey/rustc-1.18-regression already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eea3a86916ce571ed47a08d6ae43872615374bb68b3fc3404f1164753b393cb0
[INFO] running `Command { std: "docker" "start" "-a" "eea3a86916ce571ed47a08d6ae43872615374bb68b3fc3404f1164753b393cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eea3a86916ce571ed47a08d6ae43872615374bb68b3fc3404f1164753b393cb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eea3a86916ce571ed47a08d6ae43872615374bb68b3fc3404f1164753b393cb0", kill_on_drop: false }`
[INFO] [stdout] eea3a86916ce571ed47a08d6ae43872615374bb68b3fc3404f1164753b393cb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a927781a6d64c6de2cbd9805540ea13b2caa90ce4da8947156107a8e5caaa09a
[INFO] running `Command { std: "docker" "start" "-a" "a927781a6d64c6de2cbd9805540ea13b2caa90ce4da8947156107a8e5caaa09a", kill_on_drop: false }`
[INFO] [stderr]    Compiling stable_deref_trait v1.0.0
[INFO] [stderr]    Compiling futures v0.1.14
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/lib.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "a927781a6d64c6de2cbd9805540ea13b2caa90ce4da8947156107a8e5caaa09a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a927781a6d64c6de2cbd9805540ea13b2caa90ce4da8947156107a8e5caaa09a", kill_on_drop: false }`
[INFO] [stdout] a927781a6d64c6de2cbd9805540ea13b2caa90ce4da8947156107a8e5caaa09a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d35b5f74e39fe9dc7d7eaa5d0f2093ec13baaef491f961a3c20bc1d33580f7bc
[INFO] running `Command { std: "docker" "start" "-a" "d35b5f74e39fe9dc7d7eaa5d0f2093ec13baaef491f961a3c20bc1d33580f7bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling regression v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `main`
[INFO] [stdout]  --> src/lib.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "d35b5f74e39fe9dc7d7eaa5d0f2093ec13baaef491f961a3c20bc1d33580f7bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d35b5f74e39fe9dc7d7eaa5d0f2093ec13baaef491f961a3c20bc1d33580f7bc", kill_on_drop: false }`
[INFO] [stdout] d35b5f74e39fe9dc7d7eaa5d0f2093ec13baaef491f961a3c20bc1d33580f7bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae53a2491e7f2a2f9173e29d5bc462dd030d3cfb2fd8d8d38e5c0fefdc476600
[INFO] running `Command { std: "docker" "start" "-a" "ae53a2491e7f2a2f9173e29d5bc462dd030d3cfb2fd8d8d38e5c0fefdc476600", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `main`
[INFO] [stderr]  --> src/lib.rs:8:4
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `regression` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/regression-0e2d371d0610e460)
[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] [stderr]    Doc-tests regression
[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" "ae53a2491e7f2a2f9173e29d5bc462dd030d3cfb2fd8d8d38e5c0fefdc476600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae53a2491e7f2a2f9173e29d5bc462dd030d3cfb2fd8d8d38e5c0fefdc476600", kill_on_drop: false }`
[INFO] [stdout] ae53a2491e7f2a2f9173e29d5bc462dd030d3cfb2fd8d8d38e5c0fefdc476600