[INFO] updating cached repository https://github.com/fredrikpe/less2
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c801b0be3f5aaaeddb49b54b4854aa83505500db
[INFO] testing fredrikpe/less2 against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrikpe%2Fless2" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fredrikpe/less2 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/fredrikpe/less2
[INFO] finished tweaking git repo https://github.com/fredrikpe/less2
[INFO] tweaked toml for git repo https://github.com/fredrikpe/less2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/fredrikpe/less2 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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7c312c97833c17402878aed840618818ac96e891e37743e111e7ec41f4423c7e
[INFO] running `"docker" "start" "-a" "7c312c97833c17402878aed840618818ac96e891e37743e111e7ec41f4423c7e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling encoding_rs v0.8.12
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling grep-matcher v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling encoding_rs_io v0.1.3
[INFO] [stderr]    Compiling grep-searcher v0.1.1
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling globset v0.4.2
[INFO] [stderr]    Compiling grep-regex v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling grep-cli v0.1.1
[INFO] [stderr]    Compiling grep-printer v0.1.1
[INFO] [stderr]    Compiling grep v0.2.3
[INFO] [stderr]    Compiling less2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/printer.rs:86:41
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         while let Some((index, grapheme)) = iter.next() {
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.63s
[INFO] running `"docker" "inspect" "7c312c97833c17402878aed840618818ac96e891e37743e111e7ec41f4423c7e"`
[INFO] running `"docker" "rm" "-f" "7c312c97833c17402878aed840618818ac96e891e37743e111e7ec41f4423c7e"`
[INFO] [stdout] 7c312c97833c17402878aed840618818ac96e891e37743e111e7ec41f4423c7e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 9651dea5082b9c8b0c58688f0966e95c28ebf1fe32a8f4be52816d4cea5fef2a
[INFO] running `"docker" "start" "-a" "9651dea5082b9c8b0c58688f0966e95c28ebf1fe32a8f4be52816d4cea5fef2a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling less2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/printer.rs:86:41
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         while let Some((index, grapheme)) = iter.next() {
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `"docker" "inspect" "9651dea5082b9c8b0c58688f0966e95c28ebf1fe32a8f4be52816d4cea5fef2a"`
[INFO] running `"docker" "rm" "-f" "9651dea5082b9c8b0c58688f0966e95c28ebf1fe32a8f4be52816d4cea5fef2a"`
[INFO] [stdout] 9651dea5082b9c8b0c58688f0966e95c28ebf1fe32a8f4be52816d4cea5fef2a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c2ad5877183d8f9c7b0d358d558acd7b61e3d1bb9e3b07c4d2eabc02af08ab51
[INFO] running `"docker" "start" "-a" "c2ad5877183d8f9c7b0d358d558acd7b61e3d1bb9e3b07c4d2eabc02af08ab51"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/printer.rs:86:41
[INFO] [stderr]    |
[INFO] [stderr] 86 |                         while let Some((index, grapheme)) = iter.next() {
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/less2-9ca9c2b971e5e5bd
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test utf8_validation::tests::test_utf8_validation ... ok
[INFO] [stdout] test utf8_validation::tests::test_first_valid_pos ... ok
[INFO] [stdout] test reader::tests::test_err_at_end ... ok
[INFO] [stdout] test reader::tests::test_bufreader_fails_start ... ok
[INFO] [stdout] test reader::tests::test_bufreader_fails_end ... ok
[INFO] [stdout] test util::tests::test_nth_newline_not_wrapped ... ok
[INFO] [stdout] test reader::tests::test_seek_0_returns_0 ... ok
[INFO] [stdout] test util::tests::test_nth_newline_wrapped ... ok
[INFO] [stdout] test reader::tests::test_seek_to_end ... ok
[INFO] [stdout] test reader::tests::test_valid_from_1 ... ok
[INFO] [stdout] test util::tests::test_snd_last_newline_wrapped ... ok
[INFO] [stdout] test util::tests::test_nth_last_newline_wrapped_file ... ok
[INFO] [stdout] test util::tests::test_nth_last_newline_wrapped ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c2ad5877183d8f9c7b0d358d558acd7b61e3d1bb9e3b07c4d2eabc02af08ab51"`
[INFO] running `"docker" "rm" "-f" "c2ad5877183d8f9c7b0d358d558acd7b61e3d1bb9e3b07c4d2eabc02af08ab51"`
[INFO] [stdout] c2ad5877183d8f9c7b0d358d558acd7b61e3d1bb9e3b07c4d2eabc02af08ab51