[INFO] fetching crate lk99 0.1.0...
[INFO] testing lk99-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate lk99 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate lk99 0.1.0
[INFO] finished tweaking crates.io crate lk99 0.1.0
[INFO] tweaked toml for crates.io crate lk99 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lk99 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lk99 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 209684553bd865f6741a22b73ca201f20a3a67394d51dead18e9bfae445ecbbe
[INFO] running `Command { std: "docker" "start" "-a" "209684553bd865f6741a22b73ca201f20a3a67394d51dead18e9bfae445ecbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "209684553bd865f6741a22b73ca201f20a3a67394d51dead18e9bfae445ecbbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "209684553bd865f6741a22b73ca201f20a3a67394d51dead18e9bfae445ecbbe", kill_on_drop: false }`
[INFO] [stdout] 209684553bd865f6741a22b73ca201f20a3a67394d51dead18e9bfae445ecbbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b979343b181df4cc0b9ed0726dd22c4e52596dab1e0eab06e61659b93fd7c0b
[INFO] running `Command { std: "docker" "start" "-a" "4b979343b181df4cc0b9ed0726dd22c4e52596dab1e0eab06e61659b93fd7c0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lk99 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `resistance` is never read
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Lk99 {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 2 |     resistance: u32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "4b979343b181df4cc0b9ed0726dd22c4e52596dab1e0eab06e61659b93fd7c0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b979343b181df4cc0b9ed0726dd22c4e52596dab1e0eab06e61659b93fd7c0b", kill_on_drop: false }`
[INFO] [stdout] 4b979343b181df4cc0b9ed0726dd22c4e52596dab1e0eab06e61659b93fd7c0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e050c36bf19b96f1e36d4775f25ffbc40a7d255a51e2d82d730347925d65dae7
[INFO] running `Command { std: "docker" "start" "-a" "e050c36bf19b96f1e36d4775f25ffbc40a7d255a51e2d82d730347925d65dae7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lk99 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `resistance` is never read
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Lk99 {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 2 |     resistance: u32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `resistance` is never read
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Lk99 {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 2 |     resistance: u32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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" "e050c36bf19b96f1e36d4775f25ffbc40a7d255a51e2d82d730347925d65dae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e050c36bf19b96f1e36d4775f25ffbc40a7d255a51e2d82d730347925d65dae7", kill_on_drop: false }`
[INFO] [stdout] e050c36bf19b96f1e36d4775f25ffbc40a7d255a51e2d82d730347925d65dae7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 82b184b9e1e0b0a8e09e3d00458cb0853bd0a14654620facfd1dfba59d06034e
[INFO] running `Command { std: "docker" "start" "-a" "82b184b9e1e0b0a8e09e3d00458cb0853bd0a14654620facfd1dfba59d06034e", kill_on_drop: false }`
[INFO] [stderr] warning: field `resistance` is never read
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Lk99 {
[INFO] [stderr]   |            ---- field in this struct
[INFO] [stderr] 2 |     resistance: u32,
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `lk99` (lib) generated 1 warning
[INFO] [stderr] warning: `lk99` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lk99-0f7fcc88f68d8483)
[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] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lk99-ab361bfc472fb7f7)
[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] [stderr]    Doc-tests lk99
[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" "82b184b9e1e0b0a8e09e3d00458cb0853bd0a14654620facfd1dfba59d06034e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82b184b9e1e0b0a8e09e3d00458cb0853bd0a14654620facfd1dfba59d06034e", kill_on_drop: false }`
[INFO] [stdout] 82b184b9e1e0b0a8e09e3d00458cb0853bd0a14654620facfd1dfba59d06034e