[INFO] cloning repository https://github.com/will-ing/catr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/will-ing/catr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwill-ing%2Fcatr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwill-ing%2Fcatr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e499e4a4cec6f40ad263cbaf32f09454c5ff037
[INFO] checking will-ing/catr against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwill-ing%2Fcatr" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/will-ing/catr on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/will-ing/catr
[INFO] finished tweaking git repo https://github.com/will-ing/catr
[INFO] tweaked toml for git repo https://github.com/will-ing/catr written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/will-ing/catr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abfbf438b49fc36a6ff56f1b76f665d47079cf346eed307d7199fab3cd17ad50
[INFO] running `Command { std: "docker" "start" "-a" "abfbf438b49fc36a6ff56f1b76f665d47079cf346eed307d7199fab3cd17ad50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abfbf438b49fc36a6ff56f1b76f665d47079cf346eed307d7199fab3cd17ad50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abfbf438b49fc36a6ff56f1b76f665d47079cf346eed307d7199fab3cd17ad50", kill_on_drop: false }`
[INFO] [stdout] abfbf438b49fc36a6ff56f1b76f665d47079cf346eed307d7199fab3cd17ad50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92e454a530ffdbbfcec9cc32cd2d9ca2ca706d326a49e1d54a7b690624cab212
[INFO] running `Command { std: "docker" "start" "-a" "92e454a530ffdbbfcec9cc32cd2d9ca2ca706d326a49e1d54a7b690624cab212", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking catr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `number_lines` and `number_nonblank_lines` are never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     files: Vec<String>,
[INFO] [stdout] 11 |     number_lines: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     number_nonblank_lines: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 assert_cmd v2.0.4
[INFO] [stdout] warning: fields `number_lines` and `number_nonblank_lines` are never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     files: Vec<String>,
[INFO] [stdout] 11 |     number_lines: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     number_nonblank_lines: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.74s
[INFO] running `Command { std: "docker" "inspect" "92e454a530ffdbbfcec9cc32cd2d9ca2ca706d326a49e1d54a7b690624cab212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e454a530ffdbbfcec9cc32cd2d9ca2ca706d326a49e1d54a7b690624cab212", kill_on_drop: false }`
[INFO] [stdout] 92e454a530ffdbbfcec9cc32cd2d9ca2ca706d326a49e1d54a7b690624cab212
[INFO] checking will-ing/catr against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwill-ing%2Fcatr" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/will-ing/catr on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/will-ing/catr
[INFO] finished tweaking git repo https://github.com/will-ing/catr
[INFO] tweaked toml for git repo https://github.com/will-ing/catr written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/will-ing/catr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0861e6c61c4bdd2bd078e8e0516414ca0d846b0fe38d1a1561f0f581162d63f
[INFO] running `Command { std: "docker" "start" "-a" "c0861e6c61c4bdd2bd078e8e0516414ca0d846b0fe38d1a1561f0f581162d63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0861e6c61c4bdd2bd078e8e0516414ca0d846b0fe38d1a1561f0f581162d63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0861e6c61c4bdd2bd078e8e0516414ca0d846b0fe38d1a1561f0f581162d63f", kill_on_drop: false }`
[INFO] [stdout] c0861e6c61c4bdd2bd078e8e0516414ca0d846b0fe38d1a1561f0f581162d63f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91d3fad783622955d2c7b632b2b6fc71da0fa4748eafa7d3ed531bbbb562947c
[INFO] running `Command { std: "docker" "start" "-a" "91d3fad783622955d2c7b632b2b6fc71da0fa4748eafa7d3ed531bbbb562947c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking catr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `number_lines` and `number_nonblank_lines` are never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     files: Vec<String>,
[INFO] [stdout] 11 |     number_lines: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     number_nonblank_lines: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 predicates v2.1.1
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stdout] warning: fields `number_lines` and `number_nonblank_lines` are never read
[INFO] [stdout]   --> src/lib.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct Config {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 10 |     files: Vec<String>,
[INFO] [stdout] 11 |     number_lines: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 12 |     number_nonblank_lines: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "91d3fad783622955d2c7b632b2b6fc71da0fa4748eafa7d3ed531bbbb562947c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91d3fad783622955d2c7b632b2b6fc71da0fa4748eafa7d3ed531bbbb562947c", kill_on_drop: false }`
[INFO] [stdout] 91d3fad783622955d2c7b632b2b6fc71da0fa4748eafa7d3ed531bbbb562947c