[INFO] cloning repository https://github.com/cwfitzgerald/intellij-rust-bug-0
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cwfitzgerald/intellij-rust-bug-0" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwfitzgerald%2Fintellij-rust-bug-0", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwfitzgerald%2Fintellij-rust-bug-0'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36d562cd3dd59e57926d0419177fcbf87b6a873d
[INFO] testing cwfitzgerald/intellij-rust-bug-0 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwfitzgerald%2Fintellij-rust-bug-0" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cwfitzgerald/intellij-rust-bug-0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cwfitzgerald/intellij-rust-bug-0
[INFO] finished tweaking git repo https://github.com/cwfitzgerald/intellij-rust-bug-0
[INFO] tweaked toml for git repo https://github.com/cwfitzgerald/intellij-rust-bug-0 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/cwfitzgerald/intellij-rust-bug-0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa03c7e74fe4a4dfa8336ccee7aa5f270fb4fbd5f8af34e1bad6e3bdcf33081c
[INFO] running `Command { std: "docker" "start" "-a" "aa03c7e74fe4a4dfa8336ccee7aa5f270fb4fbd5f8af34e1bad6e3bdcf33081c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa03c7e74fe4a4dfa8336ccee7aa5f270fb4fbd5f8af34e1bad6e3bdcf33081c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa03c7e74fe4a4dfa8336ccee7aa5f270fb4fbd5f8af34e1bad6e3bdcf33081c", kill_on_drop: false }`
[INFO] [stdout] aa03c7e74fe4a4dfa8336ccee7aa5f270fb4fbd5f8af34e1bad6e3bdcf33081c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ac5f781960f6bcb9cbdcbdb0f34b2fa4f28ac5961855aa69c827603b2e72eef
[INFO] running `Command { std: "docker" "start" "-a" "8ac5f781960f6bcb9cbdcbdb0f34b2fa4f28ac5961855aa69c827603b2e72eef", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling intellij-rust-bug-0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/works.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let x: SmallVec<[usize; 8]> = SmallVec::new(); // Autocomplete/go to definition works as expected.
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `works`
[INFO] [stdout]  --> src/works.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn works() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `works2`
[INFO] [stdout]  --> src/works.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn works2() {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.32s
[INFO] running `Command { std: "docker" "inspect" "8ac5f781960f6bcb9cbdcbdb0f34b2fa4f28ac5961855aa69c827603b2e72eef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac5f781960f6bcb9cbdcbdb0f34b2fa4f28ac5961855aa69c827603b2e72eef", kill_on_drop: false }`
[INFO] [stdout] 8ac5f781960f6bcb9cbdcbdb0f34b2fa4f28ac5961855aa69c827603b2e72eef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f217f45afc5b63e38114ec1da3dba2118322bed8c2bc94144c825d281834ae5
[INFO] running `Command { std: "docker" "start" "-a" "9f217f45afc5b63e38114ec1da3dba2118322bed8c2bc94144c825d281834ae5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling intellij-rust-bug-0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/works.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let x: SmallVec<[usize; 8]> = SmallVec::new(); // Autocomplete/go to definition works as expected.
[INFO] [stdout]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `works`
[INFO] [stdout]  --> src/works.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn works() {
[INFO] [stdout]   |    ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `works2`
[INFO] [stdout]  --> src/works.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn works2() {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `Command { std: "docker" "inspect" "9f217f45afc5b63e38114ec1da3dba2118322bed8c2bc94144c825d281834ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f217f45afc5b63e38114ec1da3dba2118322bed8c2bc94144c825d281834ae5", kill_on_drop: false }`
[INFO] [stdout] 9f217f45afc5b63e38114ec1da3dba2118322bed8c2bc94144c825d281834ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 410f3b358f844105828c05b5bde84c8349e96a11ffb05dc360b625eea8ddad2d
[INFO] running `Command { std: "docker" "start" "-a" "410f3b358f844105828c05b5bde84c8349e96a11ffb05dc360b625eea8ddad2d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/works.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let x: SmallVec<[usize; 8]> = SmallVec::new(); // Autocomplete/go to definition works as expected.
[INFO] [stderr]   |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `works`
[INFO] [stdout] 
[INFO] [stderr]  --> src/works.rs:3:4
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 3 | fn works() {
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |    ^^^^^
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `works2`
[INFO] [stderr]  --> src/works.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn works2() {
[INFO] [stderr]   |    ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `intellij-rust-bug-0` (bin "intellij-rust-bug-0" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/intellij_rust_bug_0-785d98403559c6ab)
[INFO] running `Command { std: "docker" "inspect" "410f3b358f844105828c05b5bde84c8349e96a11ffb05dc360b625eea8ddad2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410f3b358f844105828c05b5bde84c8349e96a11ffb05dc360b625eea8ddad2d", kill_on_drop: false }`
[INFO] [stdout] 410f3b358f844105828c05b5bde84c8349e96a11ffb05dc360b625eea8ddad2d