[INFO] fetching crate cpp_std 0.1.1...
[INFO] testing cpp_std-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cpp_std 0.1.1 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate cpp_std 0.1.1 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 cpp_std 0.1.1
[INFO] finished tweaking crates.io crate cpp_std 0.1.1
[INFO] tweaked toml for crates.io crate cpp_std 0.1.1 written to /workspace/builds/worker-57/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 17f97635166832d6a5e9a8039505d5c85e2272f98c452189e4757ab5c5cbf174
[INFO] running `Command { std: "docker" "start" "-a" "17f97635166832d6a5e9a8039505d5c85e2272f98c452189e4757ab5c5cbf174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17f97635166832d6a5e9a8039505d5c85e2272f98c452189e4757ab5c5cbf174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17f97635166832d6a5e9a8039505d5c85e2272f98c452189e4757ab5c5cbf174", kill_on_drop: false }`
[INFO] [stdout] 17f97635166832d6a5e9a8039505d5c85e2272f98c452189e4757ab5c5cbf174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] f75aaf3613b3e14ed596761a6112f5323e0565bbb8d45dc2dbdb9c88d6f7c441
[INFO] running `Command { std: "docker" "start" "-a" "f75aaf3613b3e14ed596761a6112f5323e0565bbb8d45dc2dbdb9c88d6f7c441", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling pathdiff v0.1.0
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling shell-words v0.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling cpp_core v0.5.1
[INFO] [stderr]    Compiling term-painter v0.2.4
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling ritual_common v0.3.0
[INFO] [stderr]    Compiling ritual_build v0.3.0
[INFO] [stderr]    Compiling cpp_std v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.01s
[INFO] running `Command { std: "docker" "inspect" "f75aaf3613b3e14ed596761a6112f5323e0565bbb8d45dc2dbdb9c88d6f7c441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75aaf3613b3e14ed596761a6112f5323e0565bbb8d45dc2dbdb9c88d6f7c441", kill_on_drop: false }`
[INFO] [stdout] f75aaf3613b3e14ed596761a6112f5323e0565bbb8d45dc2dbdb9c88d6f7c441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] e59226db889981ba0240a2f51632a944888590066c8653a048f9f5249b7e29f6
[INFO] running `Command { std: "docker" "start" "-a" "e59226db889981ba0240a2f51632a944888590066c8653a048f9f5249b7e29f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cpp_std v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "e59226db889981ba0240a2f51632a944888590066c8653a048f9f5249b7e29f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e59226db889981ba0240a2f51632a944888590066c8653a048f9f5249b7e29f6", kill_on_drop: false }`
[INFO] [stdout] e59226db889981ba0240a2f51632a944888590066c8653a048f9f5249b7e29f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] dbf54978427de395cc40777152553e202e02a99311e010945e4c6447c1c9fc6a
[INFO] running `Command { std: "docker" "start" "-a" "dbf54978427de395cc40777152553e202e02a99311e010945e4c6447c1c9fc6a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cpp_std-c4cabdefc12a6e67)
[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] [stderr]      Running tests/string.rs (/opt/rustwide/target/debug/deps/string-e6419e473ee0b135)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test string_from_slice ... ok
[INFO] [stdout] test string_push ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/vector.rs (/opt/rustwide/target/debug/deps/vector-1e20aecfda239a68)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test vector_from_slice ... ok
[INFO] [stdout] test vector_as_mut_slice ... ok
[INFO] [stdout] test vector_push_pop_slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cpp_std
[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" "dbf54978427de395cc40777152553e202e02a99311e010945e4c6447c1c9fc6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbf54978427de395cc40777152553e202e02a99311e010945e4c6447c1c9fc6a", kill_on_drop: false }`
[INFO] [stdout] dbf54978427de395cc40777152553e202e02a99311e010945e4c6447c1c9fc6a