[INFO] fetching crate win_dbg_logger 0.1.0...
[INFO] testing win_dbg_logger-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate win_dbg_logger 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate win_dbg_logger 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate win_dbg_logger 0.1.0
[INFO] finished tweaking crates.io crate win_dbg_logger 0.1.0
[INFO] tweaked toml for crates.io crate win_dbg_logger 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate win_dbg_logger 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e3866f4ccbd0e8cdc1a2d7ca06bb283855de2949be26d5be95080d49124c3ee
[INFO] running `Command { std: "docker" "start" "-a" "0e3866f4ccbd0e8cdc1a2d7ca06bb283855de2949be26d5be95080d49124c3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e3866f4ccbd0e8cdc1a2d7ca06bb283855de2949be26d5be95080d49124c3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3866f4ccbd0e8cdc1a2d7ca06bb283855de2949be26d5be95080d49124c3ee", kill_on_drop: false }`
[INFO] [stdout] 0e3866f4ccbd0e8cdc1a2d7ca06bb283855de2949be26d5be95080d49124c3ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4d53944aadb58a7b77b2a2faa4494741ac81e6ed589d8b4436c856f4d786ae5
[INFO] running `Command { std: "docker" "start" "-a" "b4d53944aadb58a7b77b2a2faa4494741ac81e6ed589d8b4436c856f4d786ae5", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling win_dbg_logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/lib.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn output_debug_string(s: &str) {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "b4d53944aadb58a7b77b2a2faa4494741ac81e6ed589d8b4436c856f4d786ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d53944aadb58a7b77b2a2faa4494741ac81e6ed589d8b4436c856f4d786ae5", kill_on_drop: false }`
[INFO] [stdout] b4d53944aadb58a7b77b2a2faa4494741ac81e6ed589d8b4436c856f4d786ae5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3921ebe65443ae3ac2c3aae419ec53a53ca7f9053b3b2c5f95357ced8bb0ff9
[INFO] running `Command { std: "docker" "start" "-a" "f3921ebe65443ae3ac2c3aae419ec53a53ca7f9053b3b2c5f95357ced8bb0ff9", kill_on_drop: false }`
[INFO] [stderr]    Compiling win_dbg_logger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/lib.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn output_debug_string(s: &str) {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/lib.rs:77:28
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub fn output_debug_string(s: &str) {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "f3921ebe65443ae3ac2c3aae419ec53a53ca7f9053b3b2c5f95357ced8bb0ff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3921ebe65443ae3ac2c3aae419ec53a53ca7f9053b3b2c5f95357ced8bb0ff9", kill_on_drop: false }`
[INFO] [stdout] f3921ebe65443ae3ac2c3aae419ec53a53ca7f9053b3b2c5f95357ced8bb0ff9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ef0dd6d0036ae93fd478ccdb60aa3bc12f6b31057f9f4b534a40490c0f3825e
[INFO] running `Command { std: "docker" "start" "-a" "2ef0dd6d0036ae93fd478ccdb60aa3bc12f6b31057f9f4b534a40490c0f3825e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/lib.rs:77:28
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 77 | pub fn output_debug_string(s: &str) {
[INFO] [stdout] 
[INFO] [stderr]    |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `win_dbg_logger` (lib) generated 1 warning
[INFO] [stderr] warning: `win_dbg_logger` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/win_dbg_logger-aa257007e07dd4ef)
[INFO] [stderr]    Doc-tests win_dbg_logger
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - rust_win_dbg_logger_init_debug (line 171) ... ignored
[INFO] [stdout] test src/lib.rs - rust_win_dbg_logger_init_error (line 173) ... ignored
[INFO] [stdout] test src/lib.rs - rust_win_dbg_logger_init_info (line 169) ... ignored
[INFO] [stdout] test src/lib.rs - rust_win_dbg_logger_init_trace (line 170) ... ignored
[INFO] [stdout] test src/lib.rs - rust_win_dbg_logger_init_warn (line 172) ... ignored
[INFO] [stdout] test src/lib.rs - DEBUGGER_LOGGER (line 38) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 0.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ef0dd6d0036ae93fd478ccdb60aa3bc12f6b31057f9f4b534a40490c0f3825e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef0dd6d0036ae93fd478ccdb60aa3bc12f6b31057f9f4b534a40490c0f3825e", kill_on_drop: false }`
[INFO] [stdout] 2ef0dd6d0036ae93fd478ccdb60aa3bc12f6b31057f9f4b534a40490c0f3825e