[INFO] crate easy_reader 0.5.0 is already in cache
[INFO] testing easy_reader-0.5.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate easy_reader 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate easy_reader 0.5.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate easy_reader 0.5.0
[INFO] finished tweaking crates.io crate easy_reader 0.5.0
[INFO] tweaked toml for crates.io crate easy_reader 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b5ecfa032b3cd543a974fee1c6323cb4196a6c9e695e38737c9ed73a00c5882
[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" "6b5ecfa032b3cd543a974fee1c6323cb4196a6c9e695e38737c9ed73a00c5882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b5ecfa032b3cd543a974fee1c6323cb4196a6c9e695e38737c9ed73a00c5882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b5ecfa032b3cd543a974fee1c6323cb4196a6c9e695e38737c9ed73a00c5882", kill_on_drop: false }`
[INFO] [stdout] 6b5ecfa032b3cd543a974fee1c6323cb4196a6c9e695e38737c9ed73a00c5882
[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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 384eea110a8947680dfb95fb54438f2ee548fde42820bd6032ec4707e739d34f
[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" "384eea110a8947680dfb95fb54438f2ee548fde42820bd6032ec4707e739d34f", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy_reader v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "384eea110a8947680dfb95fb54438f2ee548fde42820bd6032ec4707e739d34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "384eea110a8947680dfb95fb54438f2ee548fde42820bd6032ec4707e739d34f", kill_on_drop: false }`
[INFO] [stdout] 384eea110a8947680dfb95fb54438f2ee548fde42820bd6032ec4707e739d34f
[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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a99d3cec7db62483ae5588e265a07656b3ce2cea10198fe3178fd2d8c4422e37
[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" "a99d3cec7db62483ae5588e265a07656b3ce2cea10198fe3178fd2d8c4422e37", kill_on_drop: false }`
[INFO] [stderr]    Compiling easy_reader v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "a99d3cec7db62483ae5588e265a07656b3ce2cea10198fe3178fd2d8c4422e37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a99d3cec7db62483ae5588e265a07656b3ce2cea10198fe3178fd2d8c4422e37", kill_on_drop: false }`
[INFO] [stdout] a99d3cec7db62483ae5588e265a07656b3ce2cea10198fe3178fd2d8c4422e37
[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=warn" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d92d5f7232ab241f6fe9a70ce116d3fdbd4f501d25ee8298b08027460834d228
[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" "d92d5f7232ab241f6fe9a70ce116d3fdbd4f501d25ee8298b08027460834d228", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/easy_reader-a9361bac55cd93ab
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_iterations ... ok
[INFO] [stdout] test tests::test_one_line_file ... ok
[INFO] [stdout] test tests::test_move_through_lines ... ok
[INFO] [stdout] test tests::test_empty_file ... ok
[INFO] [stdout] test tests::test_indexed ... ok
[INFO] [stderr]    Doc-tests easy_reader
[INFO] [stdout] test tests::test_random_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] test src/lib.rs - (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d92d5f7232ab241f6fe9a70ce116d3fdbd4f501d25ee8298b08027460834d228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d92d5f7232ab241f6fe9a70ce116d3fdbd4f501d25ee8298b08027460834d228", kill_on_drop: false }`
[INFO] [stdout] d92d5f7232ab241f6fe9a70ce116d3fdbd4f501d25ee8298b08027460834d228