[INFO] fetching crate v1_hello_do_not_use 0.1.0...
[INFO] testing v1_hello_do_not_use-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate v1_hello_do_not_use 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate v1_hello_do_not_use 0.1.0
[INFO] finished tweaking crates.io crate v1_hello_do_not_use 0.1.0
[INFO] tweaked toml for crates.io crate v1_hello_do_not_use 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate v1_hello_do_not_use 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate v1_hello_do_not_use 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 835fb4f03d81bd00d00c107403920ae7ebe3e4a861f6d26868df339a08e68d81
[INFO] running `Command { std: "docker" "start" "-a" "835fb4f03d81bd00d00c107403920ae7ebe3e4a861f6d26868df339a08e68d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "835fb4f03d81bd00d00c107403920ae7ebe3e4a861f6d26868df339a08e68d81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "835fb4f03d81bd00d00c107403920ae7ebe3e4a861f6d26868df339a08e68d81", kill_on_drop: false }`
[INFO] [stdout] 835fb4f03d81bd00d00c107403920ae7ebe3e4a861f6d26868df339a08e68d81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7d69b1e8409f10d4fe9746562de8229d9c34ec92bdbb30095812e75c3b30edb
[INFO] running `Command { std: "docker" "start" "-a" "d7d69b1e8409f10d4fe9746562de8229d9c34ec92bdbb30095812e75c3b30edb", kill_on_drop: false }`
[INFO] [stderr]    Compiling v1_hello_do_not_use v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fave_color` is never read
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Person {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     fave_color: Color,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 0.48s
[INFO] running `Command { std: "docker" "inspect" "d7d69b1e8409f10d4fe9746562de8229d9c34ec92bdbb30095812e75c3b30edb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d69b1e8409f10d4fe9746562de8229d9c34ec92bdbb30095812e75c3b30edb", kill_on_drop: false }`
[INFO] [stdout] d7d69b1e8409f10d4fe9746562de8229d9c34ec92bdbb30095812e75c3b30edb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8b7d771d5186f34f07aca0c2b977f7c847b7b6915fbcc66cbd8371629f5a101
[INFO] running `Command { std: "docker" "start" "-a" "f8b7d771d5186f34f07aca0c2b977f7c847b7b6915fbcc66cbd8371629f5a101", kill_on_drop: false }`
[INFO] [stderr]    Compiling v1_hello_do_not_use v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `fave_color` is never read
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Person {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     fave_color: Color,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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 0.30s
[INFO] running `Command { std: "docker" "inspect" "f8b7d771d5186f34f07aca0c2b977f7c847b7b6915fbcc66cbd8371629f5a101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8b7d771d5186f34f07aca0c2b977f7c847b7b6915fbcc66cbd8371629f5a101", kill_on_drop: false }`
[INFO] [stdout] f8b7d771d5186f34f07aca0c2b977f7c847b7b6915fbcc66cbd8371629f5a101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e818c033e0d8fe56d49a31bcb585f9d19aa2cfd9114e2e88b53da6460f6c8646
[INFO] running `Command { std: "docker" "start" "-a" "e818c033e0d8fe56d49a31bcb585f9d19aa2cfd9114e2e88b53da6460f6c8646", kill_on_drop: false }`
[INFO] [stderr] warning: field `fave_color` is never read
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Person {
[INFO] [stderr]   |            ------ field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 6 |     fave_color: Color,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `v1_hello_do_not_use` (bin "v1_hello_do_not_use" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/v1_hello_do_not_use-43ec58c65ac89394)
[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" "e818c033e0d8fe56d49a31bcb585f9d19aa2cfd9114e2e88b53da6460f6c8646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e818c033e0d8fe56d49a31bcb585f9d19aa2cfd9114e2e88b53da6460f6c8646", kill_on_drop: false }`
[INFO] [stdout] e818c033e0d8fe56d49a31bcb585f9d19aa2cfd9114e2e88b53da6460f6c8646