[INFO] fetching crate char_stream 0.1.8...
[INFO] testing char_stream-0.1.8 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate char_stream 0.1.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate char_stream 0.1.8 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate char_stream 0.1.8
[INFO] finished tweaking crates.io crate char_stream 0.1.8
[INFO] tweaked toml for crates.io crate char_stream 0.1.8 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fe6054fa6d465922673f6814046afb488f0564c10f14d4bfae2b9b8036ffc0e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0fe6054fa6d465922673f6814046afb488f0564c10f14d4bfae2b9b8036ffc0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fe6054fa6d465922673f6814046afb488f0564c10f14d4bfae2b9b8036ffc0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe6054fa6d465922673f6814046afb488f0564c10f14d4bfae2b9b8036ffc0e", kill_on_drop: false }`
[INFO] [stdout] 0fe6054fa6d465922673f6814046afb488f0564c10f14d4bfae2b9b8036ffc0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3b873159f5bd0f2871bf0f25429147817fc9785af3a01614acf3c1e58b3c319
[INFO] running `Command { std: "docker" "start" "-a" "e3b873159f5bd0f2871bf0f25429147817fc9785af3a01614acf3c1e58b3c319", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling char_stream v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "e3b873159f5bd0f2871bf0f25429147817fc9785af3a01614acf3c1e58b3c319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b873159f5bd0f2871bf0f25429147817fc9785af3a01614acf3c1e58b3c319", kill_on_drop: false }`
[INFO] [stdout] e3b873159f5bd0f2871bf0f25429147817fc9785af3a01614acf3c1e58b3c319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5c53cbd49c4ec681524b2e796ef69d4b95d6638de6fd275626a73b892cb5773
[INFO] running `Command { std: "docker" "start" "-a" "f5c53cbd49c4ec681524b2e796ef69d4b95d6638de6fd275626a73b892cb5773", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling char_stream v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.14s
[INFO] running `Command { std: "docker" "inspect" "f5c53cbd49c4ec681524b2e796ef69d4b95d6638de6fd275626a73b892cb5773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c53cbd49c4ec681524b2e796ef69d4b95d6638de6fd275626a73b892cb5773", kill_on_drop: false }`
[INFO] [stdout] f5c53cbd49c4ec681524b2e796ef69d4b95d6638de6fd275626a73b892cb5773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2b0fa61a254856d23b3838177d928f701b55b140536248cf9518712c74aa039b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2b0fa61a254856d23b3838177d928f701b55b140536248cf9518712c74aa039b", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/char_stream-74caaa54ee4fbb95)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::from_bytes ... ok
[INFO] [stdout] test tests::from_str ... ok
[INFO] [stdout] test tests::read_line ... ok
[INFO] [stdout] test tests::from_file ... ok
[INFO] [stdout] test tests::from_string ... ok
[INFO] [stdout] test tests::from_file_wend_iter ... ok
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-20498478c02f0da6)
[INFO] [stdout] test tests::from_file_read_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]    Doc-tests char_stream
[INFO] [stdout] test test_nth ... ok
[INFO] [stdout] test test_rev ... ok
[INFO] [stdout] test test_zip ... 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 8 tests
[INFO] [stdout] test src/lib.rs - CharStream::from_stdin (line 170) - compile ... ok
[INFO] [stdout] test src/lib.rs - CharStream::from (line 33) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::to_string (line 259) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::from_bytes (line 90) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::read_line (line 212) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::from_string (line 61) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::wend_iter (line 285) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::from_file (line 123) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2b0fa61a254856d23b3838177d928f701b55b140536248cf9518712c74aa039b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0fa61a254856d23b3838177d928f701b55b140536248cf9518712c74aa039b", kill_on_drop: false }`
[INFO] [stdout] 2b0fa61a254856d23b3838177d928f701b55b140536248cf9518712c74aa039b