[INFO] fetching crate irv-traits 0.0.1...
[INFO] testing irv-traits-0.0.1 against master#198328ad7960b1bece0dc48496bff6c62dd5d339 for pr-149852
[INFO] extracting crate irv-traits 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate irv-traits 0.0.1
[INFO] finished tweaking crates.io crate irv-traits 0.0.1
[INFO] tweaked toml for crates.io crate irv-traits 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate irv-traits 0.0.1 on toolchain 198328ad7960b1bece0dc48496bff6c62dd5d339
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4c8f5e658f41e767ad39dfc9008e372094991b8450ef2ef90cebb908ae375f2
[INFO] running `Command { std: "docker" "start" "-a" "e4c8f5e658f41e767ad39dfc9008e372094991b8450ef2ef90cebb908ae375f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4c8f5e658f41e767ad39dfc9008e372094991b8450ef2ef90cebb908ae375f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c8f5e658f41e767ad39dfc9008e372094991b8450ef2ef90cebb908ae375f2", kill_on_drop: false }`
[INFO] [stdout] e4c8f5e658f41e767ad39dfc9008e372094991b8450ef2ef90cebb908ae375f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae381ee3913b85b90f8675752783b3bc703931805ad93c6289f47735a054a1ae
[INFO] running `Command { std: "docker" "start" "-a" "ae381ee3913b85b90f8675752783b3bc703931805ad93c6289f47735a054a1ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling irv-traits v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/lib.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn access(&mut self, address: CsrAddress, f: impl FnOnce(u64) -> u64) -> Result<u64, CsrIllegal> {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:44:47
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn access(&mut self, address: CsrAddress, f: impl FnOnce(u64) -> u64) -> Result<u64, CsrIllegal> {
[INFO] [stdout]    |                                               ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "ae381ee3913b85b90f8675752783b3bc703931805ad93c6289f47735a054a1ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae381ee3913b85b90f8675752783b3bc703931805ad93c6289f47735a054a1ae", kill_on_drop: false }`
[INFO] [stdout] ae381ee3913b85b90f8675752783b3bc703931805ad93c6289f47735a054a1ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f090e4175994ddab188ee61f41a214f9c12b241fc9bf9f60d75b9e1b5f3a89bd
[INFO] running `Command { std: "docker" "start" "-a" "f090e4175994ddab188ee61f41a214f9c12b241fc9bf9f60d75b9e1b5f3a89bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling irv-traits v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/lib.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn access(&mut self, address: CsrAddress, f: impl FnOnce(u64) -> u64) -> Result<u64, CsrIllegal> {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:44:47
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn access(&mut self, address: CsrAddress, f: impl FnOnce(u64) -> u64) -> Result<u64, CsrIllegal> {
[INFO] [stdout]    |                                               ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `address`
[INFO] [stdout]   --> src/lib.rs:44:26
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn access(&mut self, address: CsrAddress, f: impl FnOnce(u64) -> u64) -> Result<u64, CsrIllegal> {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lib.rs:44:47
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn access(&mut self, address: CsrAddress, f: impl FnOnce(u64) -> u64) -> Result<u64, CsrIllegal> {
[INFO] [stdout]    |                                               ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "f090e4175994ddab188ee61f41a214f9c12b241fc9bf9f60d75b9e1b5f3a89bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f090e4175994ddab188ee61f41a214f9c12b241fc9bf9f60d75b9e1b5f3a89bd", kill_on_drop: false }`
[INFO] [stdout] f090e4175994ddab188ee61f41a214f9c12b241fc9bf9f60d75b9e1b5f3a89bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+198328ad7960b1bece0dc48496bff6c62dd5d339" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27298e8e4945f6493aaeac5f406cef43fa0cdf8b96048dc8016fc9d15d1ee28c
[INFO] running `Command { std: "docker" "start" "-a" "27298e8e4945f6493aaeac5f406cef43fa0cdf8b96048dc8016fc9d15d1ee28c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `address`
[INFO] [stderr]   --> src/lib.rs:44:26
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn access(&mut self, address: CsrAddress, f: impl FnOnce(u64) -> u64) -> Result<u64, CsrIllegal> {
[INFO] [stderr]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_address`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]   --> src/lib.rs:44:47
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn access(&mut self, address: CsrAddress, f: impl FnOnce(u64) -> u64) -> Result<u64, CsrIllegal> {
[INFO] [stderr]    |                                               ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: `irv-traits` (lib) generated 2 warnings (run `cargo fix --lib -p irv-traits` to apply 2 suggestions)
[INFO] [stderr] warning: `irv-traits` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/irv_traits-9a56e0bdaac68034)
[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 irv_traits
[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" "27298e8e4945f6493aaeac5f406cef43fa0cdf8b96048dc8016fc9d15d1ee28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27298e8e4945f6493aaeac5f406cef43fa0cdf8b96048dc8016fc9d15d1ee28c", kill_on_drop: false }`
[INFO] [stdout] 27298e8e4945f6493aaeac5f406cef43fa0cdf8b96048dc8016fc9d15d1ee28c