[INFO] fetching crate irv-traits 0.0.1...
[INFO] testing irv-traits-0.0.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate irv-traits 0.0.1 into /workspace/builds/worker-6-tc2/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-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate irv-traits 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e009de36c32cb2190520e6102d2c1aff5bf4b57a55a0ce0215503a43643db3d4
[INFO] running `Command { std: "docker" "start" "-a" "e009de36c32cb2190520e6102d2c1aff5bf4b57a55a0ce0215503a43643db3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e009de36c32cb2190520e6102d2c1aff5bf4b57a55a0ce0215503a43643db3d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e009de36c32cb2190520e6102d2c1aff5bf4b57a55a0ce0215503a43643db3d4", kill_on_drop: false }`
[INFO] [stdout] e009de36c32cb2190520e6102d2c1aff5bf4b57a55a0ce0215503a43643db3d4
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2c430d673ec77e9e90849387267e2300158c9709dc5a2c929d64f400a6371ae
[INFO] running `Command { std: "docker" "start" "-a" "e2c430d673ec77e9e90849387267e2300158c9709dc5a2c929d64f400a6371ae", 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 0.12s
[INFO] running `Command { std: "docker" "inspect" "e2c430d673ec77e9e90849387267e2300158c9709dc5a2c929d64f400a6371ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2c430d673ec77e9e90849387267e2300158c9709dc5a2c929d64f400a6371ae", kill_on_drop: false }`
[INFO] [stdout] e2c430d673ec77e9e90849387267e2300158c9709dc5a2c929d64f400a6371ae
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f8436a7903cdf459a771e31387eadcb11f659759e7cc03b4fe5ca40e43ea575
[INFO] running `Command { std: "docker" "start" "-a" "6f8436a7903cdf459a771e31387eadcb11f659759e7cc03b4fe5ca40e43ea575", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "6f8436a7903cdf459a771e31387eadcb11f659759e7cc03b4fe5ca40e43ea575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8436a7903cdf459a771e31387eadcb11f659759e7cc03b4fe5ca40e43ea575", kill_on_drop: false }`
[INFO] [stdout] 6f8436a7903cdf459a771e31387eadcb11f659759e7cc03b4fe5ca40e43ea575
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f9009863781a7fa9485ef85cec2483fa84f9148256acf2fab768c8dafd38021d
[INFO] running `Command { std: "docker" "start" "-a" "f9009863781a7fa9485ef85cec2483fa84f9148256acf2fab768c8dafd38021d", 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
[INFO] [stderr] warning: `irv-traits` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[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" "f9009863781a7fa9485ef85cec2483fa84f9148256acf2fab768c8dafd38021d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9009863781a7fa9485ef85cec2483fa84f9148256acf2fab768c8dafd38021d", kill_on_drop: false }`
[INFO] [stdout] f9009863781a7fa9485ef85cec2483fa84f9148256acf2fab768c8dafd38021d