[INFO] cloning repository https://github.com/ImNotTwig/rls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ImNotTwig/rls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImNotTwig%2Frls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImNotTwig%2Frls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ff341545cb64bdceb7365149b34b8c37201fa54
[INFO] testing ImNotTwig/rls against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImNotTwig%2Frls" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ImNotTwig/rls on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ImNotTwig/rls
[INFO] finished tweaking git repo https://github.com/ImNotTwig/rls
[INFO] tweaked toml for git repo https://github.com/ImNotTwig/rls written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ImNotTwig/rls already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates-core v1.0.3
[INFO] [stderr]   Downloaded predicates v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec3177ce573b9b32346d4dffc7f42f3ac3ae92a3b4faeeb8e12c8f56dc27c166
[INFO] running `Command { std: "docker" "start" "-a" "ec3177ce573b9b32346d4dffc7f42f3ac3ae92a3b4faeeb8e12c8f56dc27c166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec3177ce573b9b32346d4dffc7f42f3ac3ae92a3b4faeeb8e12c8f56dc27c166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec3177ce573b9b32346d4dffc7f42f3ac3ae92a3b4faeeb8e12c8f56dc27c166", kill_on_drop: false }`
[INFO] [stdout] ec3177ce573b9b32346d4dffc7f42f3ac3ae92a3b4faeeb8e12c8f56dc27c166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d01725f0e772311fe7f55ca2b8bf861e75821d04d56e8820b597c9e62ba9a49
[INFO] running `Command { std: "docker" "start" "-a" "3d01725f0e772311fe7f55ca2b8bf861e75821d04d56e8820b597c9e62ba9a49", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling predicates-core v1.0.3
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling is_executable v1.0.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling predicates v2.1.1
[INFO] [stderr]    Compiling rls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `metadata` is never read
[INFO] [stdout]   --> src/main.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut metadata = fs::metadata(&name).expect("failed to read metadata");
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "3d01725f0e772311fe7f55ca2b8bf861e75821d04d56e8820b597c9e62ba9a49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d01725f0e772311fe7f55ca2b8bf861e75821d04d56e8820b597c9e62ba9a49", kill_on_drop: false }`
[INFO] [stdout] 3d01725f0e772311fe7f55ca2b8bf861e75821d04d56e8820b597c9e62ba9a49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae93ec717cb70d2e8f36cad82224e7e2fdf869c35749b906aeb59b0607025a37
[INFO] running `Command { std: "docker" "start" "-a" "ae93ec717cb70d2e8f36cad82224e7e2fdf869c35749b906aeb59b0607025a37", kill_on_drop: false }`
[INFO] [stderr]    Compiling rls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `metadata` is never read
[INFO] [stdout]   --> src/main.rs:67:17
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut metadata = fs::metadata(&name).expect("failed to read metadata");
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "ae93ec717cb70d2e8f36cad82224e7e2fdf869c35749b906aeb59b0607025a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae93ec717cb70d2e8f36cad82224e7e2fdf869c35749b906aeb59b0607025a37", kill_on_drop: false }`
[INFO] [stdout] ae93ec717cb70d2e8f36cad82224e7e2fdf869c35749b906aeb59b0607025a37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44e3f36fbc4763309351754a4cce7a0b148e9b329ac222c847b57b02ab3dae29
[INFO] running `Command { std: "docker" "start" "-a" "44e3f36fbc4763309351754a4cce7a0b148e9b329ac222c847b57b02ab3dae29", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `metadata` is never read
[INFO] [stderr]   --> src/main.rs:67:17
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut metadata = fs::metadata(&name).expect("failed to read metadata");
[INFO] [stderr]    |                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rls` (bin "rls" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rls-365309b3c31d8177)
[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" "44e3f36fbc4763309351754a4cce7a0b148e9b329ac222c847b57b02ab3dae29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e3f36fbc4763309351754a4cce7a0b148e9b329ac222c847b57b02ab3dae29", kill_on_drop: false }`
[INFO] [stdout] 44e3f36fbc4763309351754a4cce7a0b148e9b329ac222c847b57b02ab3dae29