[INFO] fetching crate char_stream 0.1.8...
[INFO] testing char_stream-0.1.8 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate char_stream 0.1.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate char_stream 0.1.8 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef5b8566e49a408bb079caee2410abd2a9b2b23fa9b34b0afb1e9d11eb977c60
[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" "ef5b8566e49a408bb079caee2410abd2a9b2b23fa9b34b0afb1e9d11eb977c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef5b8566e49a408bb079caee2410abd2a9b2b23fa9b34b0afb1e9d11eb977c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef5b8566e49a408bb079caee2410abd2a9b2b23fa9b34b0afb1e9d11eb977c60", kill_on_drop: false }`
[INFO] [stdout] ef5b8566e49a408bb079caee2410abd2a9b2b23fa9b34b0afb1e9d11eb977c60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 850fa35d597f86fb943a804e92e3353d916767701592919b5d7d60903b70790d
[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" "850fa35d597f86fb943a804e92e3353d916767701592919b5d7d60903b70790d", 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 0.85s
[INFO] running `Command { std: "docker" "inspect" "850fa35d597f86fb943a804e92e3353d916767701592919b5d7d60903b70790d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "850fa35d597f86fb943a804e92e3353d916767701592919b5d7d60903b70790d", kill_on_drop: false }`
[INFO] [stdout] 850fa35d597f86fb943a804e92e3353d916767701592919b5d7d60903b70790d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef31bc90e3cd82bd1b1bee461fa4fb4b20fb8011a0205c18141dab02481e0308
[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" "ef31bc90e3cd82bd1b1bee461fa4fb4b20fb8011a0205c18141dab02481e0308", 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 3.08s
[INFO] running `Command { std: "docker" "inspect" "ef31bc90e3cd82bd1b1bee461fa4fb4b20fb8011a0205c18141dab02481e0308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef31bc90e3cd82bd1b1bee461fa4fb4b20fb8011a0205c18141dab02481e0308", kill_on_drop: false }`
[INFO] [stdout] ef31bc90e3cd82bd1b1bee461fa4fb4b20fb8011a0205c18141dab02481e0308
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1338460453beaaf9a0226bb6908d841011c9aaf7ad5fde7d0c4650c0cd4d37d7
[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" "1338460453beaaf9a0226bb6908d841011c9aaf7ad5fde7d0c4650c0cd4d37d7", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/char_stream-039d962a0b444c34
[INFO] [stdout] test tests::from_bytes ... ok
[INFO] [stdout] test tests::from_str ... ok
[INFO] [stdout] test tests::from_string ... ok
[INFO] [stdout] test tests::from_file_wend_iter ... ok
[INFO] [stdout] test tests::from_file ... ok
[INFO] [stdout] test tests::from_file_read_line ... ok
[INFO] [stdout] test tests::read_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-870d272822e7fea6
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_zip ... ok
[INFO] [stdout] test test_rev ... ok
[INFO] [stdout] test test_nth ... 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 char_stream
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - CharStream::from_stdin (line 170) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::wend_iter (line 285) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::from (line 33) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::from_bytes (line 90) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::from_string (line 61) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::read_line (line 212) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::from_file (line 123) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::to_string (line 259) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.87s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1338460453beaaf9a0226bb6908d841011c9aaf7ad5fde7d0c4650c0cd4d37d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1338460453beaaf9a0226bb6908d841011c9aaf7ad5fde7d0c4650c0cd4d37d7", kill_on_drop: false }`
[INFO] [stdout] 1338460453beaaf9a0226bb6908d841011c9aaf7ad5fde7d0c4650c0cd4d37d7