[INFO] fetching crate char_stream 0.1.8...
[INFO] testing char_stream-0.1.8 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate char_stream 0.1.8 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate char_stream 0.1.8 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 090a0af75c89254e1d84f57174a7ec7306065d3652eb602bab9d41d19cabbef2
[INFO] running `Command { std: "docker" "start" "-a" "090a0af75c89254e1d84f57174a7ec7306065d3652eb602bab9d41d19cabbef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "090a0af75c89254e1d84f57174a7ec7306065d3652eb602bab9d41d19cabbef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090a0af75c89254e1d84f57174a7ec7306065d3652eb602bab9d41d19cabbef2", kill_on_drop: false }`
[INFO] [stdout] 090a0af75c89254e1d84f57174a7ec7306065d3652eb602bab9d41d19cabbef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77c29ba70d46f0c570886d047426234cb1403be16bdcd2a8c443f2d84271b59c
[INFO] running `Command { std: "docker" "start" "-a" "77c29ba70d46f0c570886d047426234cb1403be16bdcd2a8c443f2d84271b59c", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling char_stream v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "77c29ba70d46f0c570886d047426234cb1403be16bdcd2a8c443f2d84271b59c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c29ba70d46f0c570886d047426234cb1403be16bdcd2a8c443f2d84271b59c", kill_on_drop: false }`
[INFO] [stdout] 77c29ba70d46f0c570886d047426234cb1403be16bdcd2a8c443f2d84271b59c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b783cf57baf4688b707a9a803fd06542fb958ae9a0669cc971b68f39f731882f
[INFO] running `Command { std: "docker" "start" "-a" "b783cf57baf4688b707a9a803fd06542fb958ae9a0669cc971b68f39f731882f", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand v0.4.6
[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 5.62s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/char_stream-e63cc1e95cebe652)
[INFO] [stderr]   Executable tests/lib.rs (/opt/rustwide/target/debug/deps/lib-390b20fd94f7e895)
[INFO] running `Command { std: "docker" "inspect" "b783cf57baf4688b707a9a803fd06542fb958ae9a0669cc971b68f39f731882f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b783cf57baf4688b707a9a803fd06542fb958ae9a0669cc971b68f39f731882f", kill_on_drop: false }`
[INFO] [stdout] b783cf57baf4688b707a9a803fd06542fb958ae9a0669cc971b68f39f731882f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0bfdcb30036ae66dc9bc4cb7b1e4f38785871c93a6887fc9fd1abdfb8fd9d302
[INFO] running `Command { std: "docker" "start" "-a" "0bfdcb30036ae66dc9bc4cb7b1e4f38785871c93a6887fc9fd1abdfb8fd9d302", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[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 src/lib.rs (/opt/rustwide/target/debug/deps/char_stream-e63cc1e95cebe652)
[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::from_string ... ok
[INFO] [stdout] test tests::read_line ... ok
[INFO] [stdout] test tests::from_file ... ok
[INFO] [stdout] test tests::from_file_read_line ... ok
[INFO] [stdout] test tests::from_file_wend_iter ... 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 tests/lib.rs (/opt/rustwide/target/debug/deps/lib-390b20fd94f7e895)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_rev ... ok
[INFO] [stdout] test test_nth ... 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 0.00s
[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) - compile ... 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::wend_iter (line 285) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::to_string (line 259) ... ok
[INFO] [stdout] test src/lib.rs - CharStream::from (line 33) ... 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] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.42s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0bfdcb30036ae66dc9bc4cb7b1e4f38785871c93a6887fc9fd1abdfb8fd9d302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bfdcb30036ae66dc9bc4cb7b1e4f38785871c93a6887fc9fd1abdfb8fd9d302", kill_on_drop: false }`
[INFO] [stdout] 0bfdcb30036ae66dc9bc4cb7b1e4f38785871c93a6887fc9fd1abdfb8fd9d302