[INFO] crate text-reader 0.2.1 is already in cache
[INFO] testing text-reader-0.2.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate text-reader 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate text-reader 0.2.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate text-reader 0.2.1
[INFO] finished tweaking crates.io crate text-reader 0.2.1
[INFO] tweaked toml for crates.io crate text-reader 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cff736b84760a12bb3b1d69c370ef9a6c20686f02cded5e5e77dc458815d790
[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" "1cff736b84760a12bb3b1d69c370ef9a6c20686f02cded5e5e77dc458815d790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cff736b84760a12bb3b1d69c370ef9a6c20686f02cded5e5e77dc458815d790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cff736b84760a12bb3b1d69c370ef9a6c20686f02cded5e5e77dc458815d790", kill_on_drop: false }`
[INFO] [stdout] 1cff736b84760a12bb3b1d69c370ef9a6c20686f02cded5e5e77dc458815d790
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 246f6fa3d4fede6ef534287e3e7e5cd5684ff51ab3e33563366b76af1e5b0b6b
[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" "246f6fa3d4fede6ef534287e3e7e5cd5684ff51ab3e33563366b76af1e5b0b6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling text-reader v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "246f6fa3d4fede6ef534287e3e7e5cd5684ff51ab3e33563366b76af1e5b0b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246f6fa3d4fede6ef534287e3e7e5cd5684ff51ab3e33563366b76af1e5b0b6b", kill_on_drop: false }`
[INFO] [stdout] 246f6fa3d4fede6ef534287e3e7e5cd5684ff51ab3e33563366b76af1e5b0b6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] bfaad54bf901cc282d2f744365ae76dc3cf6a99758bf9eb22ffd50de3bd1f482
[INFO] running `Command { std: "docker" "start" "-a" "bfaad54bf901cc282d2f744365ae76dc3cf6a99758bf9eb22ffd50de3bd1f482", kill_on_drop: false }`
[INFO] [stderr]    Compiling text-reader v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "bfaad54bf901cc282d2f744365ae76dc3cf6a99758bf9eb22ffd50de3bd1f482", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfaad54bf901cc282d2f744365ae76dc3cf6a99758bf9eb22ffd50de3bd1f482", kill_on_drop: false }`
[INFO] [stdout] bfaad54bf901cc282d2f744365ae76dc3cf6a99758bf9eb22ffd50de3bd1f482
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 703fd8fc47b20db26729e02fc9069ed7764ea1fae6f5ef83a47f5fc4397085ff
[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" "703fd8fc47b20db26729e02fc9069ed7764ea1fae6f5ef83a47f5fc4397085ff", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/text_reader-fd0e78dcbfba9ffa
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_detector-5048e535926944f5
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_reader-9f46c5ca21c51373
[INFO] [stdout] test test_detector ... ok
[INFO] [stderr]    Doc-tests text-reader
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_reader ... ok
[INFO] [stdout] test test_stat ... ok
[INFO] [stdout] test test_while ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/textreader.rs - textreader::TextReader::cursor (line 143) ... ok
[INFO] [stdout] test src/textreader.rs - textreader::TextReader::next (line 95) ... ok
[INFO] [stdout] test src/detector.rs - detector::Detector::next_text (line 79) ... ok
[INFO] [stdout] test src/textreader.rs - textreader::TextReader::len (line 159) ... ok
[INFO] [stdout] test src/detector.rs - detector::Detector (line 9) ... ok
[INFO] [stdout] test src/textreader.rs - textreader::TextReader::back (line 173) ... ok
[INFO] [stdout] test src/textreader.rs - textreader::TextReader (line 17) ... ok
[INFO] [stdout] test src/textreader.rs - textreader::TextReader::has_next (line 273) ... ok
[INFO] [stdout] test src/detector.rs - detector::Detector::rollback (line 131) ... ok
[INFO] [stdout] test src/detector.rs - detector::Detector::yes (line 97) ... ok
[INFO] [stdout] test src/textreader.rs - textreader::TextReader::peek (line 76) ... ok
[INFO] [stdout] test src/detector.rs - detector::Detector::new (line 50) ... ok
[INFO] [stdout] test src/textreader.rs - textreader::TextReader::detector (line 46) ... ok
[INFO] [stdout] test src/detector.rs - detector::Detector::next_char (line 63) ... ok
[INFO] [stdout] test src/textreader.rs - textreader::TextReader::line (line 132) ... ok
[INFO] [stdout] test src/textreader.rs - textreader::TextReader::position (line 120) ... ok
[INFO] [stdout] test src/textreader.rs - textreader::TextReader::reset (line 60) ... ok
[INFO] [stdout] test src/textreader.rs - textreader::TextReader::this_line (line 219) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "703fd8fc47b20db26729e02fc9069ed7764ea1fae6f5ef83a47f5fc4397085ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703fd8fc47b20db26729e02fc9069ed7764ea1fae6f5ef83a47f5fc4397085ff", kill_on_drop: false }`
[INFO] [stdout] 703fd8fc47b20db26729e02fc9069ed7764ea1fae6f5ef83a47f5fc4397085ff