[INFO] fetching crate libpath 0.0.1...
[INFO] testing libpath-0.0.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate libpath 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate libpath 0.0.1
[INFO] finished tweaking crates.io crate libpath 0.0.1
[INFO] tweaked toml for crates.io crate libpath 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libpath 0.0.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fastparse v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11ea021c8db59e62c825fb50c266feaeeac2ad91850cf8dab3ac8b3ebccddd56
[INFO] running `Command { std: "docker" "start" "-a" "11ea021c8db59e62c825fb50c266feaeeac2ad91850cf8dab3ac8b3ebccddd56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11ea021c8db59e62c825fb50c266feaeeac2ad91850cf8dab3ac8b3ebccddd56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ea021c8db59e62c825fb50c266feaeeac2ad91850cf8dab3ac8b3ebccddd56", kill_on_drop: false }`
[INFO] [stdout] 11ea021c8db59e62c825fb50c266feaeeac2ad91850cf8dab3ac8b3ebccddd56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c385beee1c1a45843973e7d0822a9aee228be4f874ed72ba9a7ca0bf90cac0d
[INFO] running `Command { std: "docker" "start" "-a" "0c385beee1c1a45843973e7d0822a9aee228be4f874ed72ba9a7ca0bf90cac0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastparse v0.0.3
[INFO] [stderr]    Compiling libpath v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `c2` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:486:25
[INFO] [stdout]     |
[INFO] [stdout] 486 |                 let mut c2 : char;
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_c2` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c2` is never read
[INFO] [stdout]    --> src/lib.rs:496:30
[INFO] [stdout]     |
[INFO] [stdout] 496 |                         2 => c2 = c,
[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 0.51s
[INFO] running `Command { std: "docker" "inspect" "0c385beee1c1a45843973e7d0822a9aee228be4f874ed72ba9a7ca0bf90cac0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c385beee1c1a45843973e7d0822a9aee228be4f874ed72ba9a7ca0bf90cac0d", kill_on_drop: false }`
[INFO] [stdout] 0c385beee1c1a45843973e7d0822a9aee228be4f874ed72ba9a7ca0bf90cac0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8902e420dee44247427e7ff6e98f9400d2f7d0c0dcd252ea20dc002a1a56211
[INFO] running `Command { std: "docker" "start" "-a" "a8902e420dee44247427e7ff6e98f9400d2f7d0c0dcd252ea20dc002a1a56211", kill_on_drop: false }`
[INFO] [stderr]    Compiling libpath v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `c2` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:486:25
[INFO] [stdout]     |
[INFO] [stdout] 486 |                 let mut c2 : char;
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_c2` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c2` is never read
[INFO] [stdout]    --> src/lib.rs:496:30
[INFO] [stdout]     |
[INFO] [stdout] 496 |                         2 => c2 = c,
[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] [stdout] warning: variable `c2` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:486:25
[INFO] [stdout]     |
[INFO] [stdout] 486 |                 let mut c2 : char;
[INFO] [stdout]     |                         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_c2` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c2` is never read
[INFO] [stdout]    --> src/lib.rs:496:30
[INFO] [stdout]     |
[INFO] [stdout] 496 |                         2 => c2 = c,
[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 0.77s
[INFO] running `Command { std: "docker" "inspect" "a8902e420dee44247427e7ff6e98f9400d2f7d0c0dcd252ea20dc002a1a56211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8902e420dee44247427e7ff6e98f9400d2f7d0c0dcd252ea20dc002a1a56211", kill_on_drop: false }`
[INFO] [stdout] a8902e420dee44247427e7ff6e98f9400d2f7d0c0dcd252ea20dc002a1a56211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a23f9eb0382e6d52e4aed562ec398d8006afa6e1bcf66ebc87970449b95e5edc
[INFO] running `Command { std: "docker" "start" "-a" "a23f9eb0382e6d52e4aed562ec398d8006afa6e1bcf66ebc87970449b95e5edc", kill_on_drop: false }`
[INFO] [stderr] warning: variable `c2` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:486:25
[INFO] [stderr]     |
[INFO] [stderr] 486 |                 let mut c2 : char;
[INFO] [stderr]     |                         ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_c2` instead
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `c2` is never read
[INFO] [stderr]    --> src/lib.rs:496:30
[INFO] [stderr]     |
[INFO] [stderr] 496 |                         2 => c2 = c,
[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: `libpath` (lib) generated 2 warnings
[INFO] [stderr] warning: `libpath` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libpath-6d012872288ea119)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::unix::unix_path_classify_dots2_only ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_home_path ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_rel_dir_only ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_dots2_only ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_driverelative_path ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_entry_only ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_home_only ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_empty ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_home_only ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_home_path ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_slashrooted_path ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_rel_dir_and_name ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_rel_dir_only ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_rel_dir_and_name ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_slashrooted_path ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_dots1_only ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_entry_only ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_driverooted_path ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_dots1_only ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libpath
[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" "a23f9eb0382e6d52e4aed562ec398d8006afa6e1bcf66ebc87970449b95e5edc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a23f9eb0382e6d52e4aed562ec398d8006afa6e1bcf66ebc87970449b95e5edc", kill_on_drop: false }`
[INFO] [stdout] a23f9eb0382e6d52e4aed562ec398d8006afa6e1bcf66ebc87970449b95e5edc