[INFO] cloning repository https://github.com/maggun1/wc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maggun1/wc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaggun1%2Fwc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaggun1%2Fwc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b56634df2ae30bbaba2a18c254e86137e8a0919
[INFO] testing maggun1/wc against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaggun1%2Fwc" "/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/maggun1/wc
[INFO] finished tweaking git repo https://github.com/maggun1/wc
[INFO] tweaked toml for git repo https://github.com/maggun1/wc written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maggun1/wc on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maggun1/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68417e3c53dc41b253eb7d0386fc8409a8de9145d288fef7abf924c519ce95c3
[INFO] running `Command { std: "docker" "start" "-a" "68417e3c53dc41b253eb7d0386fc8409a8de9145d288fef7abf924c519ce95c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68417e3c53dc41b253eb7d0386fc8409a8de9145d288fef7abf924c519ce95c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68417e3c53dc41b253eb7d0386fc8409a8de9145d288fef7abf924c519ce95c3", kill_on_drop: false }`
[INFO] [stdout] 68417e3c53dc41b253eb7d0386fc8409a8de9145d288fef7abf924c519ce95c3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d6bc7acabf7ed3c55f421137cdfa3c381bd8696ee3a91002564ea4397eab7ce
[INFO] running `Command { std: "docker" "start" "-a" "5d6bc7acabf7ed3c55f421137cdfa3c381bd8696ee3a91002564ea4397eab7ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/main.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufRead, BufReader, Error, Read, Result};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "5d6bc7acabf7ed3c55f421137cdfa3c381bd8696ee3a91002564ea4397eab7ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d6bc7acabf7ed3c55f421137cdfa3c381bd8696ee3a91002564ea4397eab7ce", kill_on_drop: false }`
[INFO] [stdout] 5d6bc7acabf7ed3c55f421137cdfa3c381bd8696ee3a91002564ea4397eab7ce
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3838efc0dff7e12405ce6b46388bb6e752df94ec8c1c601093df2cdfc34dda3
[INFO] running `Command { std: "docker" "start" "-a" "c3838efc0dff7e12405ce6b46388bb6e752df94ec8c1c601093df2cdfc34dda3", kill_on_drop: false }`
[INFO] [stderr]    Compiling wc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Error`
[INFO] [stdout]  --> src/main.rs:1:35
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{BufRead, BufReader, Error, Read, Result};
[INFO] [stdout]   |                                   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "c3838efc0dff7e12405ce6b46388bb6e752df94ec8c1c601093df2cdfc34dda3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3838efc0dff7e12405ce6b46388bb6e752df94ec8c1c601093df2cdfc34dda3", kill_on_drop: false }`
[INFO] [stdout] c3838efc0dff7e12405ce6b46388bb6e752df94ec8c1c601093df2cdfc34dda3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba6b366eba99e22303030d39edef6e84482ccc6dca946c577a19049d34eb80f5
[INFO] running `Command { std: "docker" "start" "-a" "ba6b366eba99e22303030d39edef6e84482ccc6dca946c577a19049d34eb80f5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Error`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:1:35
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use std::io::{BufRead, BufReader, Error, Read, Result};
[INFO] [stdout] 
[INFO] [stderr]   |                                   ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `wc` (bin "wc" test) generated 1 warning (run `cargo fix --bin "wc" -p wc --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/wc-4a8430db7bfebb67)
[INFO] running `Command { std: "docker" "inspect" "ba6b366eba99e22303030d39edef6e84482ccc6dca946c577a19049d34eb80f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6b366eba99e22303030d39edef6e84482ccc6dca946c577a19049d34eb80f5", kill_on_drop: false }`
[INFO] [stdout] ba6b366eba99e22303030d39edef6e84482ccc6dca946c577a19049d34eb80f5