[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 try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDrSloth%2Ftypechecker" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DrSloth/typechecker on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-52/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57b83e61b8fc3bb5ee18d605397a0a6e238a99a738170d39f24c81a970df4b05
[INFO] running `Command { std: "docker" "start" "-a" "57b83e61b8fc3bb5ee18d605397a0a6e238a99a738170d39f24c81a970df4b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57b83e61b8fc3bb5ee18d605397a0a6e238a99a738170d39f24c81a970df4b05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b83e61b8fc3bb5ee18d605397a0a6e238a99a738170d39f24c81a970df4b05", kill_on_drop: false }`
[INFO] [stdout] 57b83e61b8fc3bb5ee18d605397a0a6e238a99a738170d39f24c81a970df4b05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 145a0d9fce0afcbb8fc1c39afa0012f4b32632cdcc27b1e3bad927903b1a0050
[INFO] running `Command { std: "docker" "start" "-a" "145a0d9fce0afcbb8fc1c39afa0012f4b32632cdcc27b1e3bad927903b1a0050", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.66s
[INFO] running `Command { std: "docker" "inspect" "145a0d9fce0afcbb8fc1c39afa0012f4b32632cdcc27b1e3bad927903b1a0050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145a0d9fce0afcbb8fc1c39afa0012f4b32632cdcc27b1e3bad927903b1a0050", kill_on_drop: false }`
[INFO] [stdout] 145a0d9fce0afcbb8fc1c39afa0012f4b32632cdcc27b1e3bad927903b1a0050
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfffa0bd43553893d9638582081ff0c24ef7ac8347f00440f8a3994f94710097
[INFO] running `Command { std: "docker" "start" "-a" "bfffa0bd43553893d9638582081ff0c24ef7ac8347f00440f8a3994f94710097", 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] [stderr]    Compiling typechecker v0.1.0 (/opt/rustwide/workdir)
[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] [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 2.03s
[INFO] running `Command { std: "docker" "inspect" "bfffa0bd43553893d9638582081ff0c24ef7ac8347f00440f8a3994f94710097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfffa0bd43553893d9638582081ff0c24ef7ac8347f00440f8a3994f94710097", kill_on_drop: false }`
[INFO] [stdout] bfffa0bd43553893d9638582081ff0c24ef7ac8347f00440f8a3994f94710097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1274bd7026ae479c7221f4c4486fdb7126feda4024a47f80fd51fc67676f1fc
[INFO] running `Command { std: "docker" "start" "-a" "d1274bd7026ae479c7221f4c4486fdb7126feda4024a47f80fd51fc67676f1fc", 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 1.25s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/typechecker-04f56918f13a621d)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/typechecker-7873a247ead0668b)
[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] [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" "d1274bd7026ae479c7221f4c4486fdb7126feda4024a47f80fd51fc67676f1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1274bd7026ae479c7221f4c4486fdb7126feda4024a47f80fd51fc67676f1fc", kill_on_drop: false }`
[INFO] [stdout] d1274bd7026ae479c7221f4c4486fdb7126feda4024a47f80fd51fc67676f1fc