[INFO] cloning repository https://github.com/malta895/rust-wc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/malta895/rust-wc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalta895%2Frust-wc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalta895%2Frust-wc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fac7a1e9a5a99d4cf9d15dd07a4043a02a67c17f
[INFO] building malta895/rust-wc against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmalta895%2Frust-wc" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/malta895/rust-wc
[INFO] finished tweaking git repo https://github.com/malta895/rust-wc
[INFO] tweaked toml for git repo https://github.com/malta895/rust-wc written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/malta895/rust-wc 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 git repo https://github.com/malta895/rust-wc 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2cbd35bb7d3756d686b230ecb72775224989507bb9d16eb930efaac9689b226d
[INFO] running `Command { std: "docker" "start" "-a" "2cbd35bb7d3756d686b230ecb72775224989507bb9d16eb930efaac9689b226d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cbd35bb7d3756d686b230ecb72775224989507bb9d16eb930efaac9689b226d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbd35bb7d3756d686b230ecb72775224989507bb9d16eb930efaac9689b226d", kill_on_drop: false }`
[INFO] [stdout] 2cbd35bb7d3756d686b230ecb72775224989507bb9d16eb930efaac9689b226d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 26c74f326a8c7f51df5e4af5ec10a870a6eb9f9b313d15dc52f14fe1a098c863
[INFO] running `Command { std: "docker" "start" "-a" "26c74f326a8c7f51df5e4af5ec10a870a6eb9f9b313d15dc52f14fe1a098c863", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `has_printed` is never read
[INFO] [stdout]   --> src/main.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 has_printed = true
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "26c74f326a8c7f51df5e4af5ec10a870a6eb9f9b313d15dc52f14fe1a098c863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c74f326a8c7f51df5e4af5ec10a870a6eb9f9b313d15dc52f14fe1a098c863", kill_on_drop: false }`
[INFO] [stdout] 26c74f326a8c7f51df5e4af5ec10a870a6eb9f9b313d15dc52f14fe1a098c863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a17ca934eb80c1f654482bb6dd591b194e507f43e3ab78c2b8418502e6b4d820
[INFO] running `Command { std: "docker" "start" "-a" "a17ca934eb80c1f654482bb6dd591b194e507f43e3ab78c2b8418502e6b4d820", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `has_printed` is never read
[INFO] [stdout]   --> src/main.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 has_printed = true
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "a17ca934eb80c1f654482bb6dd591b194e507f43e3ab78c2b8418502e6b4d820", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a17ca934eb80c1f654482bb6dd591b194e507f43e3ab78c2b8418502e6b4d820", kill_on_drop: false }`
[INFO] [stdout] a17ca934eb80c1f654482bb6dd591b194e507f43e3ab78c2b8418502e6b4d820