[INFO] cloning repository https://github.com/rmattierel/testing_repo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmattierel/testing_repo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmattierel%2Ftesting_repo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmattierel%2Ftesting_repo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec4c72aa96597fb3d8b4f911905acb704cf860ca
[INFO] checking rmattierel/testing_repo against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmattierel%2Ftesting_repo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rmattierel/testing_repo
[INFO] finished tweaking git repo https://github.com/rmattierel/testing_repo
[INFO] tweaked toml for git repo https://github.com/rmattierel/testing_repo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rmattierel/testing_repo on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rmattierel/testing_repo 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 757bdebd638ef22f97d4277f5b11ccf4537456e30d5ebb813e99a6c6bbcd06c9
[INFO] running `Command { std: "docker" "start" "-a" "757bdebd638ef22f97d4277f5b11ccf4537456e30d5ebb813e99a6c6bbcd06c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "757bdebd638ef22f97d4277f5b11ccf4537456e30d5ebb813e99a6c6bbcd06c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "757bdebd638ef22f97d4277f5b11ccf4537456e30d5ebb813e99a6c6bbcd06c9", kill_on_drop: false }`
[INFO] [stdout] 757bdebd638ef22f97d4277f5b11ccf4537456e30d5ebb813e99a6c6bbcd06c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26c51530e46534366af45c869ae1ab48672f90ec63ce6acb9c43ba281d4a21dd
[INFO] running `Command { std: "docker" "start" "-a" "26c51530e46534366af45c869ae1ab48672f90ec63ce6acb9c43ba281d4a21dd", kill_on_drop: false }`
[INFO] [stderr]     Checking configparser v1.0.0
[INFO] [stderr]     Checking ini v1.3.0
[INFO] [stderr]     Checking test-ini v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `db_type` is never read
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Database {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 6 |     db_type: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Database` 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stdout] warning: field `db_type` is never read
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Database {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] 6 |     db_type: String,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Database` 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] running `Command { std: "docker" "inspect" "26c51530e46534366af45c869ae1ab48672f90ec63ce6acb9c43ba281d4a21dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c51530e46534366af45c869ae1ab48672f90ec63ce6acb9c43ba281d4a21dd", kill_on_drop: false }`
[INFO] [stdout] 26c51530e46534366af45c869ae1ab48672f90ec63ce6acb9c43ba281d4a21dd