[INFO] fetching crate tuibale 0.1.0...
[INFO] building tuibale-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tuibale 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tuibale 0.1.0
[INFO] finished tweaking crates.io crate tuibale 0.1.0
[INFO] tweaked toml for crates.io crate tuibale 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tuibale 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tuibale 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50426e2c50698b8133c2eb2150ca34a9351e392ad68d5e4f6a1bd9a18ee74454
[INFO] running `Command { std: "docker" "start" "-a" "50426e2c50698b8133c2eb2150ca34a9351e392ad68d5e4f6a1bd9a18ee74454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50426e2c50698b8133c2eb2150ca34a9351e392ad68d5e4f6a1bd9a18ee74454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50426e2c50698b8133c2eb2150ca34a9351e392ad68d5e4f6a1bd9a18ee74454", kill_on_drop: false }`
[INFO] [stdout] 50426e2c50698b8133c2eb2150ca34a9351e392ad68d5e4f6a1bd9a18ee74454
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b40cd315a98a1e0ea77c299afde4fcd7d046b28a29d284394ff2c485ecff0d5
[INFO] running `Command { std: "docker" "start" "-a" "1b40cd315a98a1e0ea77c299afde4fcd7d046b28a29d284394ff2c485ecff0d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.120
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling encode_unicode v0.3.6
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling tuibale v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for (i, line) in reader.lines().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.23s
[INFO] running `Command { std: "docker" "inspect" "1b40cd315a98a1e0ea77c299afde4fcd7d046b28a29d284394ff2c485ecff0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b40cd315a98a1e0ea77c299afde4fcd7d046b28a29d284394ff2c485ecff0d5", kill_on_drop: false }`
[INFO] [stdout] 1b40cd315a98a1e0ea77c299afde4fcd7d046b28a29d284394ff2c485ecff0d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c6f8f1c63e11b0b1448ae7f227fb9b3de62ad21ac2ab78aa5fdd58aecaa5ced
[INFO] running `Command { std: "docker" "start" "-a" "8c6f8f1c63e11b0b1448ae7f227fb9b3de62ad21ac2ab78aa5fdd58aecaa5ced", kill_on_drop: false }`
[INFO] [stderr]    Compiling tuibale v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for (i, line) in reader.lines().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "8c6f8f1c63e11b0b1448ae7f227fb9b3de62ad21ac2ab78aa5fdd58aecaa5ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6f8f1c63e11b0b1448ae7f227fb9b3de62ad21ac2ab78aa5fdd58aecaa5ced", kill_on_drop: false }`
[INFO] [stdout] 8c6f8f1c63e11b0b1448ae7f227fb9b3de62ad21ac2ab78aa5fdd58aecaa5ced