[INFO] fetching crate slit 0.0.2...
[INFO] building slit-0.0.2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate slit 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate slit 0.0.2
[INFO] finished tweaking crates.io crate slit 0.0.2
[INFO] tweaked toml for crates.io crate slit 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slit 0.0.2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slit 0.0.2 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd9ab65ba32fab396a9d230588302e9ef7fc4995a2b626eeadcfe69471becc4d
[INFO] running `Command { std: "docker" "start" "-a" "bd9ab65ba32fab396a9d230588302e9ef7fc4995a2b626eeadcfe69471becc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd9ab65ba32fab396a9d230588302e9ef7fc4995a2b626eeadcfe69471becc4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9ab65ba32fab396a9d230588302e9ef7fc4995a2b626eeadcfe69471becc4d", kill_on_drop: false }`
[INFO] [stdout] bd9ab65ba32fab396a9d230588302e9ef7fc4995a2b626eeadcfe69471becc4d
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a5bfcf9576b357e29784034f4e849935f17e581609548d771bf7ba190575d28
[INFO] running `Command { std: "docker" "start" "-a" "4a5bfcf9576b357e29784034f4e849935f17e581609548d771bf7ba190575d28", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling tracing-subscriber v0.2.17
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling jacklog v0.0.3
[INFO] [stderr]    Compiling slit v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `print_undelimited` is never read
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Cli {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |     print_undelimited: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.19s
[INFO] running `Command { std: "docker" "inspect" "4a5bfcf9576b357e29784034f4e849935f17e581609548d771bf7ba190575d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a5bfcf9576b357e29784034f4e849935f17e581609548d771bf7ba190575d28", kill_on_drop: false }`
[INFO] [stdout] 4a5bfcf9576b357e29784034f4e849935f17e581609548d771bf7ba190575d28
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a6c0b841db03fd473ef84ec24de711d640714faef4371457fddf6cf283a5c2b
[INFO] running `Command { std: "docker" "start" "-a" "2a6c0b841db03fd473ef84ec24de711d640714faef4371457fddf6cf283a5c2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling slit v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `print_undelimited` is never read
[INFO] [stdout]   --> src/main.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | struct Cli {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 48 |     print_undelimited: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cli` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "2a6c0b841db03fd473ef84ec24de711d640714faef4371457fddf6cf283a5c2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a6c0b841db03fd473ef84ec24de711d640714faef4371457fddf6cf283a5c2b", kill_on_drop: false }`
[INFO] [stdout] 2a6c0b841db03fd473ef84ec24de711d640714faef4371457fddf6cf283a5c2b