[INFO] cloning repository https://github.com/benjcollins/pl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjcollins/pl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fpl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fpl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0c60309b2fc6d0148ce1aa61cddf0ddad18b4c5
[INFO] testing benjcollins/pl against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjcollins%2Fpl" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benjcollins/pl on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benjcollins/pl
[INFO] finished tweaking git repo https://github.com/benjcollins/pl
[INFO] tweaked toml for git repo https://github.com/benjcollins/pl written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/benjcollins/pl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3bf658b7df1d2a23c77b95a1de5b1c5faf9ff77550677b1b07903f23b910f30
[INFO] running `Command { std: "docker" "start" "-a" "f3bf658b7df1d2a23c77b95a1de5b1c5faf9ff77550677b1b07903f23b910f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3bf658b7df1d2a23c77b95a1de5b1c5faf9ff77550677b1b07903f23b910f30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3bf658b7df1d2a23c77b95a1de5b1c5faf9ff77550677b1b07903f23b910f30", kill_on_drop: false }`
[INFO] [stdout] f3bf658b7df1d2a23c77b95a1de5b1c5faf9ff77550677b1b07903f23b910f30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e08e09bbefc919083cadb4b9ff9d6e3916eae432b8c67fe68c2dc24f9f1be1d
[INFO] running `Command { std: "docker" "start" "-a" "4e08e09bbefc919083cadb4b9ff9d6e3916eae432b8c67fe68c2dc24f9f1be1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ir`
[INFO] [stdout]  --> src/ty.rs:3:65
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{infer::{InferTyRef, Unify, unify}, symbols::Symbol, ir};
[INFO] [stdout]   |                                                                 ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 2.43s
[INFO] running `Command { std: "docker" "inspect" "4e08e09bbefc919083cadb4b9ff9d6e3916eae432b8c67fe68c2dc24f9f1be1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e08e09bbefc919083cadb4b9ff9d6e3916eae432b8c67fe68c2dc24f9f1be1d", kill_on_drop: false }`
[INFO] [stdout] 4e08e09bbefc919083cadb4b9ff9d6e3916eae432b8c67fe68c2dc24f9f1be1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1878d22bec51f77110d167a19d75112dc089f9ae4d902e2b89d03f8ec301fd83
[INFO] running `Command { std: "docker" "start" "-a" "1878d22bec51f77110d167a19d75112dc089f9ae4d902e2b89d03f8ec301fd83", kill_on_drop: false }`
[INFO] [stderr]    Compiling compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ir`
[INFO] [stdout]  --> src/ty.rs:3:65
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{infer::{InferTyRef, Unify, unify}, symbols::Symbol, ir};
[INFO] [stdout]   |                                                                 ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 0.60s
[INFO] running `Command { std: "docker" "inspect" "1878d22bec51f77110d167a19d75112dc089f9ae4d902e2b89d03f8ec301fd83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1878d22bec51f77110d167a19d75112dc089f9ae4d902e2b89d03f8ec301fd83", kill_on_drop: false }`
[INFO] [stdout] 1878d22bec51f77110d167a19d75112dc089f9ae4d902e2b89d03f8ec301fd83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b10d0e4c479aa0df05365bd90fc8ac1c8671f0a163e0913e1fbd7e7ff058935e
[INFO] running `Command { std: "docker" "start" "-a" "b10d0e4c479aa0df05365bd90fc8ac1c8671f0a163e0913e1fbd7e7ff058935e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `ir`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/ty.rs:3:65
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | use crate::{infer::{InferTyRef, Unify, unify}, symbols::Symbol, ir};
[INFO] [stdout] 
[INFO] [stderr]   |                                                                 ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `compiler` (bin "compiler" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/compiler-a6bf844e1f6e92c4)
[INFO] running `Command { std: "docker" "inspect" "b10d0e4c479aa0df05365bd90fc8ac1c8671f0a163e0913e1fbd7e7ff058935e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10d0e4c479aa0df05365bd90fc8ac1c8671f0a163e0913e1fbd7e7ff058935e", kill_on_drop: false }`
[INFO] [stdout] b10d0e4c479aa0df05365bd90fc8ac1c8671f0a163e0913e1fbd7e7ff058935e