[INFO] cloning repository https://github.com/andysalerno/toygrep
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andysalerno/toygrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandysalerno%2Ftoygrep"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandysalerno%2Ftoygrep'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78cedf5f5e8a5b1271ce3b3f5375cdd6ad345f11
[INFO] testing andysalerno/toygrep against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandysalerno%2Ftoygrep" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andysalerno/toygrep on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/andysalerno/toygrep
[INFO] finished tweaking git repo https://github.com/andysalerno/toygrep
[INFO] tweaked toml for git repo https://github.com/andysalerno/toygrep written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/andysalerno/toygrep already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/async-rs/async-std`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b6014aebe74b7057054a8ab8a6af09a804e198dfd1af0490bfc5c5efaed9bd3e
[INFO] running `"docker" "start" "-a" "b6014aebe74b7057054a8ab8a6af09a804e198dfd1af0490bfc5c5efaed9bd3e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling kv-log-macro v1.0.5
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.14
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling pin-project v0.4.14
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling piper v0.1.1
[INFO] [stderr]    Compiling smol v0.1.4
[INFO] [stderr]    Compiling async-std v1.6.0-beta.1 (https://github.com/async-rs/async-std?rev=e20b0f0d75d5#e20b0f0d)
[INFO] [stderr]    Compiling toygrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `with_line_break_byte`
[INFO] [stderr]   --> src/buffer/async_line_buffer.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub(crate) fn with_line_break_byte(mut self, line_break_byte: u8) -> Self {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `with_start_size_bytes`
[INFO] [stderr]   --> src/buffer/async_line_buffer.rs:44:19
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub(crate) fn with_start_size_bytes(mut self, start_size_bytes: usize) -> Self {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Display`
[INFO] [stderr]   --> src/print.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     Display(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_stdin`
[INFO] [stderr]   --> src/target.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub(crate) fn is_stdin(&self) -> bool {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `"docker" "inspect" "b6014aebe74b7057054a8ab8a6af09a804e198dfd1af0490bfc5c5efaed9bd3e"`
[INFO] running `"docker" "rm" "-f" "b6014aebe74b7057054a8ab8a6af09a804e198dfd1af0490bfc5c5efaed9bd3e"`
[INFO] [stdout] b6014aebe74b7057054a8ab8a6af09a804e198dfd1af0490bfc5c5efaed9bd3e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4f833b4e4d06bc2ba2e1bf169a06bf60b8bbd44e7332d6b983415691cb722da
[INFO] running `"docker" "start" "-a" "b4f833b4e4d06bc2ba2e1bf169a06bf60b8bbd44e7332d6b983415691cb722da"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling toygrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: associated function is never used: `with_line_break_byte`
[INFO] [stderr]   --> src/buffer/async_line_buffer.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub(crate) fn with_line_break_byte(mut self, line_break_byte: u8) -> Self {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Display`
[INFO] [stderr]   --> src/print.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     Display(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_stdin`
[INFO] [stderr]   --> src/target.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub(crate) fn is_stdin(&self) -> bool {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.05s
[INFO] running `"docker" "inspect" "b4f833b4e4d06bc2ba2e1bf169a06bf60b8bbd44e7332d6b983415691cb722da"`
[INFO] running `"docker" "rm" "-f" "b4f833b4e4d06bc2ba2e1bf169a06bf60b8bbd44e7332d6b983415691cb722da"`
[INFO] [stdout] b4f833b4e4d06bc2ba2e1bf169a06bf60b8bbd44e7332d6b983415691cb722da
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b9bf0864bc3493aa2854f68ebf497b6e80bad18540f6e8430303c8a0146832b8
[INFO] running `"docker" "start" "-a" "b9bf0864bc3493aa2854f68ebf497b6e80bad18540f6e8430303c8a0146832b8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: associated function is never used: `with_line_break_byte`
[INFO] [stderr]   --> src/buffer/async_line_buffer.rs:39:19
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub(crate) fn with_line_break_byte(mut self, line_break_byte: u8) -> Self {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Display`
[INFO] [stderr]   --> src/print.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     Display(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_stdin`
[INFO] [stderr]   --> src/target.rs:10:19
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub(crate) fn is_stdin(&self) -> bool {
[INFO] [stderr]    |                   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/toygrep-d5321c3fb70650cc
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test buffer::async_line_buffer::test::buffer_handles_single_byte_str ... ok
[INFO] [stdout] test buffer::async_line_buffer::test::buffer_reads_simple_text_no_linebreak ... ok
[INFO] [stdout] test buffer::async_line_buffer::test::buffer_handles_multiple_newline ... ok
[INFO] [stdout] test buffer::async_line_buffer::test::buffer_handles_single_newline ... ok
[INFO] [stdout] test buffer::async_line_buffer::test::buffer_reads_simple_text_one_linebreak ... ok
[INFO] [stdout] test buffer::async_line_buffer::test::buffer_handles_empty_string ... ok
[INFO] [stdout] test buffer::async_line_buffer::test::buffer_gives_none_when_no_more_lines_big_buffer ... ok
[INFO] [stdout] test buffer::async_line_buffer::test::buffer_reads_simple_text_two_lines_tiny_buffer ... ok
[INFO] [stdout] test buffer::async_line_buffer::test::buffer_macbeth ... ok
[INFO] [stdout] test buffer::async_line_buffer::test::buffer_reads_simple_text_tiny_buffer ... ok
[INFO] [stdout] test buffer::async_line_buffer::test::buffer_gives_none_when_no_more_lines_tiny_buffer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b9bf0864bc3493aa2854f68ebf497b6e80bad18540f6e8430303c8a0146832b8"`
[INFO] running `"docker" "rm" "-f" "b9bf0864bc3493aa2854f68ebf497b6e80bad18540f6e8430303c8a0146832b8"`
[INFO] [stdout] b9bf0864bc3493aa2854f68ebf497b6e80bad18540f6e8430303c8a0146832b8