[INFO] cloning repository https://github.com/qiuzhanghua/single_pass
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qiuzhanghua/single_pass" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiuzhanghua%2Fsingle_pass"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiuzhanghua%2Fsingle_pass'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] db0154fa6f479d23c01fdb8e9f4f7b43bce460b1
[INFO] testing qiuzhanghua/single_pass against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiuzhanghua%2Fsingle_pass" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qiuzhanghua/single_pass on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/qiuzhanghua/single_pass
[INFO] finished tweaking git repo https://github.com/qiuzhanghua/single_pass
[INFO] tweaked toml for git repo https://github.com/qiuzhanghua/single_pass written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/qiuzhanghua/single_pass already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "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] 66740b5a9fe8f5d74dd4c9f083016fdad89fd6d3d7e144a3a40be6fae54ce171
[INFO] running `"docker" "start" "-a" "66740b5a9fe8f5d74dd4c9f083016fdad89fd6d3d7e144a3a40be6fae54ce171"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling encoding_rs_io v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling bstr v0.2.11
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling single_pass v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.66s
[INFO] running `"docker" "inspect" "66740b5a9fe8f5d74dd4c9f083016fdad89fd6d3d7e144a3a40be6fae54ce171"`
[INFO] running `"docker" "rm" "-f" "66740b5a9fe8f5d74dd4c9f083016fdad89fd6d3d7e144a3a40be6fae54ce171"`
[INFO] [stdout] 66740b5a9fe8f5d74dd4c9f083016fdad89fd6d3d7e144a3a40be6fae54ce171
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "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] 765b539525c5ec196d2b6a56a16b90255487eb80e8c0adf0bf78f1ce37774602
[INFO] running `"docker" "start" "-a" "765b539525c5ec196d2b6a56a16b90255487eb80e8c0adf0bf78f1ce37774602"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling single_pass v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]    --> src/main.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |     use std::fs::File;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stderr]    --> src/main.rs:202:19
[INFO] [stderr]     |
[INFO] [stderr] 202 |     use std::io::{BufRead, BufReader};
[INFO] [stderr]     |                   ^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "765b539525c5ec196d2b6a56a16b90255487eb80e8c0adf0bf78f1ce37774602"`
[INFO] running `"docker" "rm" "-f" "765b539525c5ec196d2b6a56a16b90255487eb80e8c0adf0bf78f1ce37774602"`
[INFO] [stdout] 765b539525c5ec196d2b6a56a16b90255487eb80e8c0adf0bf78f1ce37774602
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.44.0" "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] bd42215148a1fbae1a835da56be649c12e31a1d1ed2280dcd2afe2866ebb3267
[INFO] running `"docker" "start" "-a" "bd42215148a1fbae1a835da56be649c12e31a1d1ed2280dcd2afe2866ebb3267"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]    --> src/main.rs:201:9
[INFO] [stderr]     |
[INFO] [stderr] 201 |     use std::fs::File;
[INFO] [stderr]     |         ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stderr]    --> src/main.rs:202:19
[INFO] [stderr]     |
[INFO] [stderr] 202 |     use std::io::{BufRead, BufReader};
[INFO] [stderr]     |                   ^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/single_pass-170d10c9a14719d8
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_lcs_2 ... ok
[INFO] [stdout] test tests::test_lcs ... ok
[INFO] [stdout] test tests::test_lcs_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/single_pass-ee71fa6c0fcebbab
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests single_pass
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - lcs::longest_common_substr (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bd42215148a1fbae1a835da56be649c12e31a1d1ed2280dcd2afe2866ebb3267"`
[INFO] running `"docker" "rm" "-f" "bd42215148a1fbae1a835da56be649c12e31a1d1ed2280dcd2afe2866ebb3267"`
[INFO] [stdout] bd42215148a1fbae1a835da56be649c12e31a1d1ed2280dcd2afe2866ebb3267