[INFO] cloning repository https://github.com/DrSloth/typechecker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DrSloth/typechecker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrSloth%2Ftypechecker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrSloth%2Ftypechecker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19d1f418479661c6ffe633ef7cf96f26af6dd77f
[INFO] testing DrSloth/typechecker against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrSloth%2Ftypechecker" "/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/DrSloth/typechecker 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/DrSloth/typechecker
[INFO] finished tweaking git repo https://github.com/DrSloth/typechecker
[INFO] tweaked toml for git repo https://github.com/DrSloth/typechecker written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/DrSloth/typechecker 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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60708814dbbf924b4f31da38b26c08aaf5dea4842b7f7c2cc3bea5d8b81dca6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "60708814dbbf924b4f31da38b26c08aaf5dea4842b7f7c2cc3bea5d8b81dca6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60708814dbbf924b4f31da38b26c08aaf5dea4842b7f7c2cc3bea5d8b81dca6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60708814dbbf924b4f31da38b26c08aaf5dea4842b7f7c2cc3bea5d8b81dca6b", kill_on_drop: false }`
[INFO] [stdout] 60708814dbbf924b4f31da38b26c08aaf5dea4842b7f7c2cc3bea5d8b81dca6b
[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=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] 7e3b1a9b0066dd80eb175b5ff9531a6822fa0135d686c5048ef72c909ed425f8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7e3b1a9b0066dd80eb175b5ff9531a6822fa0135d686c5048ef72c909ed425f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling typechecker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/lib.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn is_same(&self, other: &Type) -> bool {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/lib.rs:78:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "7e3b1a9b0066dd80eb175b5ff9531a6822fa0135d686c5048ef72c909ed425f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e3b1a9b0066dd80eb175b5ff9531a6822fa0135d686c5048ef72c909ed425f8", kill_on_drop: false }`
[INFO] [stdout] 7e3b1a9b0066dd80eb175b5ff9531a6822fa0135d686c5048ef72c909ed425f8
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71819729d3a4629bdc220dfe66df496cc8afc585ae7f735750dda50cf8c3a855
[INFO] running `Command { std: "docker" "start" "-a" "71819729d3a4629bdc220dfe66df496cc8afc585ae7f735750dda50cf8c3a855", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/lib.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn is_same(&self, other: &Type) -> bool {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/lib.rs:78:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling typechecker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/lib.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn is_same(&self, other: &Type) -> bool {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/lib.rs:78:18
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stdout]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "71819729d3a4629bdc220dfe66df496cc8afc585ae7f735750dda50cf8c3a855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71819729d3a4629bdc220dfe66df496cc8afc585ae7f735750dda50cf8c3a855", kill_on_drop: false }`
[INFO] [stdout] 71819729d3a4629bdc220dfe66df496cc8afc585ae7f735750dda50cf8c3a855
[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=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] 22fb303ccba3faaeca651224327b3be82f5de0d7de96a2bf7be5c3894ce98c8a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "22fb303ccba3faaeca651224327b3be82f5de0d7de96a2bf7be5c3894ce98c8a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/lib.rs:56:27
[INFO] [stderr]    |
[INFO] [stderr] 56 |     pub fn is_same(&self, other: &Type) -> bool {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/lib.rs:78:18
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn eq(&self, other: &Self) -> bool {
[INFO] [stderr]    |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: `typechecker` (lib) generated 2 warnings
[INFO] [stderr] warning: `typechecker` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/typechecker-76c686705823bdc9)
[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]      Running unittests (/opt/rustwide/target/debug/deps/typechecker-4892168b5f7fe2ed)
[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 typechecker
[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" "22fb303ccba3faaeca651224327b3be82f5de0d7de96a2bf7be5c3894ce98c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22fb303ccba3faaeca651224327b3be82f5de0d7de96a2bf7be5c3894ce98c8a", kill_on_drop: false }`
[INFO] [stdout] 22fb303ccba3faaeca651224327b3be82f5de0d7de96a2bf7be5c3894ce98c8a