[INFO] fetching crate racker-daemon 0.1.0...
[INFO] testing racker-daemon-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate racker-daemon 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate racker-daemon 0.1.0
[INFO] finished tweaking crates.io crate racker-daemon 0.1.0
[INFO] tweaked toml for crates.io crate racker-daemon 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate racker-daemon 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate racker-daemon 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 653a93aa273c4d07cbaaa7c7a95658ec47a0e9d50475b5c7985cdcfd22c3da1a
[INFO] running `Command { std: "docker" "start" "-a" "653a93aa273c4d07cbaaa7c7a95658ec47a0e9d50475b5c7985cdcfd22c3da1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "653a93aa273c4d07cbaaa7c7a95658ec47a0e9d50475b5c7985cdcfd22c3da1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "653a93aa273c4d07cbaaa7c7a95658ec47a0e9d50475b5c7985cdcfd22c3da1a", kill_on_drop: false }`
[INFO] [stdout] 653a93aa273c4d07cbaaa7c7a95658ec47a0e9d50475b5c7985cdcfd22c3da1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1092fac7a614172a4c29ace2d65ea4e77ddd9635f6f7d4b9b5031eb15277147f
[INFO] running `Command { std: "docker" "start" "-a" "1092fac7a614172a4c29ace2d65ea4e77ddd9635f6f7d4b9b5031eb15277147f", kill_on_drop: false }`
[INFO] [stderr]    Compiling racker-daemon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let config = config::RackerConfig::new();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config_file` is never read
[INFO] [stdout]  --> src/config.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct RackerConfig {
[INFO] [stdout]   |                   ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     config_file: Option<PathBuf>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[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 0.34s
[INFO] running `Command { std: "docker" "inspect" "1092fac7a614172a4c29ace2d65ea4e77ddd9635f6f7d4b9b5031eb15277147f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1092fac7a614172a4c29ace2d65ea4e77ddd9635f6f7d4b9b5031eb15277147f", kill_on_drop: false }`
[INFO] [stdout] 1092fac7a614172a4c29ace2d65ea4e77ddd9635f6f7d4b9b5031eb15277147f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8fe526aac776397da46844e933eceee1ea22a26e9504467c21afc497d234706
[INFO] running `Command { std: "docker" "start" "-a" "f8fe526aac776397da46844e933eceee1ea22a26e9504467c21afc497d234706", kill_on_drop: false }`
[INFO] [stderr]    Compiling racker-daemon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let config = config::RackerConfig::new();
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `config_file` is never read
[INFO] [stdout]  --> src/config.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub(crate) struct RackerConfig {
[INFO] [stdout]   |                   ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     config_file: Option<PathBuf>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[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 0.29s
[INFO] running `Command { std: "docker" "inspect" "f8fe526aac776397da46844e933eceee1ea22a26e9504467c21afc497d234706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8fe526aac776397da46844e933eceee1ea22a26e9504467c21afc497d234706", kill_on_drop: false }`
[INFO] [stdout] f8fe526aac776397da46844e933eceee1ea22a26e9504467c21afc497d234706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 35fbcdf2b2558e053b85f53782af41fc0c157f5d76c0b27a3eff1104f3b59bc2
[INFO] running `Command { std: "docker" "start" "-a" "35fbcdf2b2558e053b85f53782af41fc0c157f5d76c0b27a3eff1104f3b59bc2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]  --> src/main.rs:4:9
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let config = config::RackerConfig::new();
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `config_file` is never read
[INFO] [stderr]  --> src/config.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub(crate) struct RackerConfig {
[INFO] [stderr]   |                   ------------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 6 |     config_file: Option<PathBuf>,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `racker-daemon` (bin "racker-daemon" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/racker_daemon-aa31f4e43f697253)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "35fbcdf2b2558e053b85f53782af41fc0c157f5d76c0b27a3eff1104f3b59bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35fbcdf2b2558e053b85f53782af41fc0c157f5d76c0b27a3eff1104f3b59bc2", kill_on_drop: false }`
[INFO] [stdout] 35fbcdf2b2558e053b85f53782af41fc0c157f5d76c0b27a3eff1104f3b59bc2