[INFO] fetching crate libpath 0.0.1...
[INFO] testing libpath-0.0.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[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 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39ebe83c02b0a4df48822faadf4320c213a06cefecdb563325aae08259d7f306
[INFO] running `Command { std: "docker" "start" "-a" "39ebe83c02b0a4df48822faadf4320c213a06cefecdb563325aae08259d7f306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39ebe83c02b0a4df48822faadf4320c213a06cefecdb563325aae08259d7f306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39ebe83c02b0a4df48822faadf4320c213a06cefecdb563325aae08259d7f306", kill_on_drop: false }`
[INFO] [stdout] 39ebe83c02b0a4df48822faadf4320c213a06cefecdb563325aae08259d7f306
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd5ec21f01922cc5a380462478cf92157b1cad69c438341cf02f3602ca9d19c8
[INFO] running `Command { std: "docker" "start" "-a" "dd5ec21f01922cc5a380462478cf92157b1cad69c438341cf02f3602ca9d19c8", 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:486:21
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "dd5ec21f01922cc5a380462478cf92157b1cad69c438341cf02f3602ca9d19c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5ec21f01922cc5a380462478cf92157b1cad69c438341cf02f3602ca9d19c8", kill_on_drop: false }`
[INFO] [stdout] dd5ec21f01922cc5a380462478cf92157b1cad69c438341cf02f3602ca9d19c8
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfc5520a965d7e4379162688eaeaf4da2160b417d2bbc772d240cc6448646eaa
[INFO] running `Command { std: "docker" "start" "-a" "dfc5520a965d7e4379162688eaeaf4da2160b417d2bbc772d240cc6448646eaa", 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:486:21
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `c2` is assigned to, but never used
[INFO] [stdout]    --> src/lib.rs:486:21
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "dfc5520a965d7e4379162688eaeaf4da2160b417d2bbc772d240cc6448646eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc5520a965d7e4379162688eaeaf4da2160b417d2bbc772d240cc6448646eaa", kill_on_drop: false }`
[INFO] [stdout] dfc5520a965d7e4379162688eaeaf4da2160b417d2bbc772d240cc6448646eaa
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9b429111413f74a0ed8933d38914b536dd7d25e70d7580f6ade3e0ddac46668b
[INFO] running `Command { std: "docker" "start" "-a" "9b429111413f74a0ed8933d38914b536dd7d25e70d7580f6ade3e0ddac46668b", kill_on_drop: false }`
[INFO] [stderr] warning: variable `c2` is assigned to, but never used
[INFO] [stderr]    --> src/lib.rs:486:21
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libpath-19149bd7d2b70598)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test tests::unix::unix_path_classify_dots1_only ... ok
[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_and_name ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_slashrooted_path ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_empty ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_home_only ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_rel_dir_only ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_dots1_only ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_dots2_only ... ok
[INFO] [stdout] test tests::unix::unix_path_classify_entry_only ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_driverelative_path ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_driverooted_path ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_entry_only ... 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_rel_dir_only ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_slashrooted_path ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_empty ... ok
[INFO] [stdout] test tests::windows::windows_path_classify_rel_dir_and_name ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "9b429111413f74a0ed8933d38914b536dd7d25e70d7580f6ade3e0ddac46668b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b429111413f74a0ed8933d38914b536dd7d25e70d7580f6ade3e0ddac46668b", kill_on_drop: false }`
[INFO] [stdout] 9b429111413f74a0ed8933d38914b536dd7d25e70d7580f6ade3e0ddac46668b