[INFO] cloning repository https://github.com/RRethy/tc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RRethy/tc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRRethy%2Ftc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRRethy%2Ftc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d63bc98cf857df97171ed8b58b4e54e09a845d3
[INFO] checking RRethy/tc against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRRethy%2Ftc" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RRethy/tc on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RRethy/tc
[INFO] finished tweaking git repo https://github.com/RRethy/tc
[INFO] tweaked toml for git repo https://github.com/RRethy/tc written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/RRethy/tc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3b5855fd3a9683bc34ca1a5d27e929b716571d8b9657b32df2ac922e512eb99
[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" "a3b5855fd3a9683bc34ca1a5d27e929b716571d8b9657b32df2ac922e512eb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3b5855fd3a9683bc34ca1a5d27e929b716571d8b9657b32df2ac922e512eb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b5855fd3a9683bc34ca1a5d27e929b716571d8b9657b32df2ac922e512eb99", kill_on_drop: false }`
[INFO] [stdout] a3b5855fd3a9683bc34ca1a5d27e929b716571d8b9657b32df2ac922e512eb99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1de6529167b669cea3b570bf3f403f6245fdda6d95e52c8ad5cff8abdb028d30
[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" "1de6529167b669cea3b570bf3f403f6245fdda6d95e52c8ad5cff8abdb028d30", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling tree-sitter v0.17.1
[INFO] [stderr]    Compiling tc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking term-table v1.3.0 (https://github.com/RRethy/term-table-rs?branch=fix-colored-tables#13511301)
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stdout] warning: associated function is never used: `bytes`
[INFO] [stdout]    --> src/lib.rs:109:8
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn bytes(self) -> Counter<T> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `chars`
[INFO] [stdout]    --> src/lib.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn chars(self) -> Counter<T> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `words`
[INFO] [stdout]    --> src/lib.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn words(self) -> Counter<T> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `lines`
[INFO] [stdout]    --> src/lib.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 |     fn lines(self) -> Counter<T> {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file_from`
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     file_from: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] error[E0425]: cannot find function `count_file` in crate `tc`
[INFO] [stdout]  --> benches/ten_mb_text_file.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 |             tc::count_file(
[INFO] [stdout]   |                 ^^^^^^^^^^ not found in `tc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file_from`
[INFO] [stdout]   --> src/main.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     file_from: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "1de6529167b669cea3b570bf3f403f6245fdda6d95e52c8ad5cff8abdb028d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de6529167b669cea3b570bf3f403f6245fdda6d95e52c8ad5cff8abdb028d30", kill_on_drop: false }`
[INFO] [stdout] 1de6529167b669cea3b570bf3f403f6245fdda6d95e52c8ad5cff8abdb028d30