[INFO] crate stir 0.0.2 is already in cache
[INFO] testing stir-0.0.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate stir 0.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate stir 0.0.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stir 0.0.2
[INFO] finished tweaking crates.io crate stir 0.0.2
[INFO] tweaked toml for crates.io crate stir 0.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a57c8d1a05e509d5612a1ad040ab2f9b0c95e5b2adb3ae051fb621150cfdc2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a57c8d1a05e509d5612a1ad040ab2f9b0c95e5b2adb3ae051fb621150cfdc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a57c8d1a05e509d5612a1ad040ab2f9b0c95e5b2adb3ae051fb621150cfdc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a57c8d1a05e509d5612a1ad040ab2f9b0c95e5b2adb3ae051fb621150cfdc2a", kill_on_drop: false }`
[INFO] [stdout] 6a57c8d1a05e509d5612a1ad040ab2f9b0c95e5b2adb3ae051fb621150cfdc2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c630fbea4a584dc6bfcc3370e2cd00f2c122dc840fe1563f805caf9906dd0ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0c630fbea4a584dc6bfcc3370e2cd00f2c122dc840fe1563f805caf9906dd0ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling stir v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> src/recipe/mod.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "0c630fbea4a584dc6bfcc3370e2cd00f2c122dc840fe1563f805caf9906dd0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c630fbea4a584dc6bfcc3370e2cd00f2c122dc840fe1563f805caf9906dd0ca", kill_on_drop: false }`
[INFO] [stdout] 0c630fbea4a584dc6bfcc3370e2cd00f2c122dc840fe1563f805caf9906dd0ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f74b9c46eea9024c257b310445f57370f623de566451bdd002dd3e53f90d5db5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f74b9c46eea9024c257b310445f57370f623de566451bdd002dd3e53f90d5db5", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> src/recipe/mod.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stir v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around function argument
[INFO] [stdout]   --> src/recipe/mod.rs:59:37
[INFO] [stdout]    |
[INFO] [stdout] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "f74b9c46eea9024c257b310445f57370f623de566451bdd002dd3e53f90d5db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74b9c46eea9024c257b310445f57370f623de566451bdd002dd3e53f90d5db5", kill_on_drop: false }`
[INFO] [stdout] f74b9c46eea9024c257b310445f57370f623de566451bdd002dd3e53f90d5db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a531c0b1dca78cea793a73b9d01d1b5448c75d338ecd13ce237c4df5d6f68fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a531c0b1dca78cea793a73b9d01d1b5448c75d338ecd13ce237c4df5d6f68fa", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> src/recipe/mod.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> src/recipe/mod.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stir-f92a54734635892d
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test blocks::if_else::tests::cond_true ... ok
[INFO] [stdout] test blocks::if_else::tests::cond_false ... ok
[INFO] [stdout] test label::tests::id_layout_complex_prefix ... ok
[INFO] [stdout] test blocks::if_else::tests::no_else ... ok
[INFO] [stdout] test label::tests::id_layout ... ok
[INFO] [stdout] test blocks::if_else::tests::output_no_else ... ok
[INFO] [stdout] test blocks::if_else::tests::output_complete ... ok
[INFO] [stdout] test blocks::boolean::tests::init ... ok
[INFO] [stdout] test blocks::boolean::tests::test_mut ... ok
[INFO] [stdout] test label::tests::last_id_increases ... ok
[INFO] [stdout] test recipe::tests::add_entry ... ok
[INFO] [stderr]    Doc-tests stir
[INFO] [stdout] test recipe::tests::add_one_block_size_and_entry ... ok
[INFO] [stdout] test recipe::tests::init ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/src/recipe/mod.rs:59:37
[INFO] [stderr]    |
[INFO] [stderr] 59 |             Some(entry_block) => Ok({ BasicBlock::interpret(entry_block) }),
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/blocks/boolean.rs - blocks::boolean::Boolean::new (line 23) ... ok
[INFO] [stdout] test src/blocks/basic_block.rs - blocks::basic_block::BasicBlock::debug (line 12) ... ok
[INFO] [stdout] test src/blocks/boolean.rs - blocks::boolean::Boolean::set (line 54) ... ok
[INFO] [stdout] test src/recipe/mod.rs - recipe::Recipe::add (line 26) ... ok
[INFO] [stdout] test src/blocks/basic_block.rs - blocks::basic_block::BasicBlock::is_critical (line 43) ... ok
[INFO] [stdout] test src/blocks/boolean.rs - blocks::boolean::Boolean::value (line 39) ... ok
[INFO] [stdout] test src/blocks/basic_block.rs - blocks::basic_block::BasicBlock::interpret (line 29) ... ok
[INFO] [stdout] test src/label/mod.rs - label::Label::new (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a531c0b1dca78cea793a73b9d01d1b5448c75d338ecd13ce237c4df5d6f68fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a531c0b1dca78cea793a73b9d01d1b5448c75d338ecd13ce237c4df5d6f68fa", kill_on_drop: false }`
[INFO] [stdout] 7a531c0b1dca78cea793a73b9d01d1b5448c75d338ecd13ce237c4df5d6f68fa