[INFO] updating cached repository https://github.com/fredrikpe/less2
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c801b0be3f5aaaeddb49b54b4854aa83505500db
[INFO] testing fredrikpe/less2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffredrikpe%2Fless2" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[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 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 `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-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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", 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] b11129a24d56852706d638dba396e287eb79abad6d2a3eab224b208e0b926d5b
[INFO] running `Command { std: "docker" "start" "-a" "b11129a24d56852706d638dba396e287eb79abad6d2a3eab224b208e0b926d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b11129a24d56852706d638dba396e287eb79abad6d2a3eab224b208e0b926d5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11129a24d56852706d638dba396e287eb79abad6d2a3eab224b208e0b926d5b", kill_on_drop: false }`
[INFO] [stdout] b11129a24d56852706d638dba396e287eb79abad6d2a3eab224b208e0b926d5b
[INFO] running `Command { std: "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=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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ed2fb27f3c77ab99e80d97383742697f679bd7bc71a6be52744712ffb385ed9
[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" "0ed2fb27f3c77ab99e80d97383742697f679bd7bc71a6be52744712ffb385ed9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling encoding_rs v0.8.12
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling grep-matcher v0.1.1
[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 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 serde_json v1.0.33
[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] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/printer.rs:86:41
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         while let Some((index, grapheme)) = iter.next() {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "0ed2fb27f3c77ab99e80d97383742697f679bd7bc71a6be52744712ffb385ed9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ed2fb27f3c77ab99e80d97383742697f679bd7bc71a6be52744712ffb385ed9", kill_on_drop: false }`
[INFO] [stdout] 0ed2fb27f3c77ab99e80d97383742697f679bd7bc71a6be52744712ffb385ed9
[INFO] running `Command { std: "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=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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 827dca67a56332df2a0c93e1052b2eb472c77b2b3b8df6dd384f1f55e6edc0ae
[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" "827dca67a56332df2a0c93e1052b2eb472c77b2b3b8df6dd384f1f55e6edc0ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling less2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:26:32
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/printer.rs:86:41
[INFO] [stdout]    |
[INFO] [stdout] 86 |                         while let Some((index, grapheme)) = iter.next() {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.05s
[INFO] running `Command { std: "docker" "inspect" "827dca67a56332df2a0c93e1052b2eb472c77b2b3b8df6dd384f1f55e6edc0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "827dca67a56332df2a0c93e1052b2eb472c77b2b3b8df6dd384f1f55e6edc0ae", kill_on_drop: false }`
[INFO] [stdout] 827dca67a56332df2a0c93e1052b2eb472c77b2b3b8df6dd384f1f55e6edc0ae
[INFO] running `Command { std: "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=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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] caac919097f4ee297367fea6556336dca648b4940c125918ff3aadac8b9f4233
[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" "caac919097f4ee297367fea6556336dca648b4940c125918ff3aadac8b9f4233", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 13 tests
[INFO] [stderr]   --> src/error.rs:26:32
[INFO] [stdout] test reader::tests::test_bufreader_fails_end ... ok
[INFO] [stderr]    |
[INFO] [stdout] test reader::tests::test_err_at_end ... ok
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout] test reader::tests::test_bufreader_fails_start ... ok
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] test utf8_validation::tests::test_first_valid_pos ... ok
[INFO] [stderr]    |
[INFO] [stdout] test util::tests::test_nth_newline_not_wrapped ... ok
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] test util::tests::test_nth_newline_wrapped ... ok
[INFO] [stderr] 
[INFO] [stdout] test util::tests::test_snd_last_newline_wrapped ... ok
[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 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/less2-1e1cf6d57684079d
[INFO] [stdout] test reader::tests::test_seek_to_end ... ok
[INFO] [stdout] test reader::tests::test_seek_0_returns_0 ... ok
[INFO] [stdout] test reader::tests::test_valid_from_1 ... ok
[INFO] [stdout] test util::tests::test_nth_last_newline_wrapped_file ... ok
[INFO] [stdout] test utf8_validation::tests::test_utf8_validation ... 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 `Command { std: "docker" "inspect" "caac919097f4ee297367fea6556336dca648b4940c125918ff3aadac8b9f4233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caac919097f4ee297367fea6556336dca648b4940c125918ff3aadac8b9f4233", kill_on_drop: false }`
[INFO] [stdout] caac919097f4ee297367fea6556336dca648b4940c125918ff3aadac8b9f4233