[INFO] fetching crate ref-map 0.1.3...
[INFO] testing ref-map-0.1.3 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ref-map 0.1.3 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate ref-map 0.1.3 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 ref-map 0.1.3
[INFO] finished tweaking crates.io crate ref-map 0.1.3
[INFO] tweaked toml for crates.io crate ref-map 0.1.3 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] af8e8b810cc6838893ca50f448fbfc147b62ff99589b84ef07a3c1a63ec5a84e
[INFO] running `Command { std: "docker" "start" "-a" "af8e8b810cc6838893ca50f448fbfc147b62ff99589b84ef07a3c1a63ec5a84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af8e8b810cc6838893ca50f448fbfc147b62ff99589b84ef07a3c1a63ec5a84e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8e8b810cc6838893ca50f448fbfc147b62ff99589b84ef07a3c1a63ec5a84e", kill_on_drop: false }`
[INFO] [stdout] af8e8b810cc6838893ca50f448fbfc147b62ff99589b84ef07a3c1a63ec5a84e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 8fc1553cde1bb9bc5c433b40cd1103239e992f1e2c8ad43f810015db8e1fa517
[INFO] running `Command { std: "docker" "start" "-a" "8fc1553cde1bb9bc5c433b40cd1103239e992f1e2c8ad43f810015db8e1fa517", kill_on_drop: false }`
[INFO] [stderr]    Compiling ref-map v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "8fc1553cde1bb9bc5c433b40cd1103239e992f1e2c8ad43f810015db8e1fa517", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fc1553cde1bb9bc5c433b40cd1103239e992f1e2c8ad43f810015db8e1fa517", kill_on_drop: false }`
[INFO] [stdout] 8fc1553cde1bb9bc5c433b40cd1103239e992f1e2c8ad43f810015db8e1fa517
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] e71ee9863b746c7d570a2e0e1bf5052b4eceebf778f8cb836cd9e02e9c86349c
[INFO] running `Command { std: "docker" "start" "-a" "e71ee9863b746c7d570a2e0e1bf5052b4eceebf778f8cb836cd9e02e9c86349c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ref-map v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "e71ee9863b746c7d570a2e0e1bf5052b4eceebf778f8cb836cd9e02e9c86349c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e71ee9863b746c7d570a2e0e1bf5052b4eceebf778f8cb836cd9e02e9c86349c", kill_on_drop: false }`
[INFO] [stdout] e71ee9863b746c7d570a2e0e1bf5052b4eceebf778f8cb836cd9e02e9c86349c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 72dc8abb1d9114bc037bafe3e08d04236f4947d89afc326b470e96f7746b41a8
[INFO] running `Command { std: "docker" "start" "-a" "72dc8abb1d9114bc037bafe3e08d04236f4947d89afc326b470e96f7746b41a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ref_map-b23cf1b6d7430f01)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ref-map
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_err ... ok
[INFO] [stdout] test test::test_ok ... ok
[INFO] [stdout] test test::test_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/result.rs - result::ResultRefMap (line 37) ... ok
[INFO] [stdout] test src/result.rs - result::ResultRefMap (line 21) ... ok
[INFO] [stdout] test src/option.rs - option::OptionRefMap (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72dc8abb1d9114bc037bafe3e08d04236f4947d89afc326b470e96f7746b41a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72dc8abb1d9114bc037bafe3e08d04236f4947d89afc326b470e96f7746b41a8", kill_on_drop: false }`
[INFO] [stdout] 72dc8abb1d9114bc037bafe3e08d04236f4947d89afc326b470e96f7746b41a8