[INFO] fetching crate prec 1.1.0...
[INFO] testing prec-1.1.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate prec 1.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate prec 1.1.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prec 1.1.0
[INFO] finished tweaking crates.io crate prec 1.1.0
[INFO] tweaked toml for crates.io crate prec 1.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate prec 1.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35a18276b9e05594f6c6fb231a9671244d93e6aa552c7a58a093ae7553b7994e
[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" "35a18276b9e05594f6c6fb231a9671244d93e6aa552c7a58a093ae7553b7994e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35a18276b9e05594f6c6fb231a9671244d93e6aa552c7a58a093ae7553b7994e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a18276b9e05594f6c6fb231a9671244d93e6aa552c7a58a093ae7553b7994e", kill_on_drop: false }`
[INFO] [stdout] 35a18276b9e05594f6c6fb231a9671244d93e6aa552c7a58a093ae7553b7994e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73e26bc98886f88b01e730ca8ca06558c541fadae8684fc6bd8ef2617693f52a
[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" "73e26bc98886f88b01e730ca8ca06558c541fadae8684fc6bd8ef2617693f52a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling prec v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "73e26bc98886f88b01e730ca8ca06558c541fadae8684fc6bd8ef2617693f52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73e26bc98886f88b01e730ca8ca06558c541fadae8684fc6bd8ef2617693f52a", kill_on_drop: false }`
[INFO] [stdout] 73e26bc98886f88b01e730ca8ca06558c541fadae8684fc6bd8ef2617693f52a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55c3d785030f0ed9ce816eb7aef95315294e04059b29e53fdb5b7776cb4ef1ce
[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" "55c3d785030f0ed9ce816eb7aef95315294e04059b29e53fdb5b7776cb4ef1ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling prec v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Paren`
[INFO] [stdout]    --> src/lib.rs:336:3
[INFO] [stdout]     |
[INFO] [stdout] 336 |         Paren(Box<Expression<MathOperator, MathToken>>),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 1.50s
[INFO] running `Command { std: "docker" "inspect" "55c3d785030f0ed9ce816eb7aef95315294e04059b29e53fdb5b7776cb4ef1ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c3d785030f0ed9ce816eb7aef95315294e04059b29e53fdb5b7776cb4ef1ce", kill_on_drop: false }`
[INFO] [stdout] 55c3d785030f0ed9ce816eb7aef95315294e04059b29e53fdb5b7776cb4ef1ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e7bb3808a4b15de27c7c106be5496faf566439d98eb12117384febd388e4ac6
[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" "4e7bb3808a4b15de27c7c106be5496faf566439d98eb12117384febd388e4ac6", kill_on_drop: false }`
[INFO] [stderr] warning: variant is never constructed: `Paren`
[INFO] [stderr]    --> src/lib.rs:336:3
[INFO] [stderr]     |
[INFO] [stderr] 336 |         Paren(Box<Expression<MathOperator, MathToken>>),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `prec` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prec-f615b56c7b6d1867)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::process ... ok
[INFO] [stdout] test test::proces_complex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests prec
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Climber<Op,To,Re,Err,Ctx>::new (line 83) ... ignored
[INFO] [stdout] test src/lib.rs - Climber<Op,To,Re,Err,Ctx>::process (line 138) ... ignored
[INFO] [stdout] test src/lib.rs - Expression<Op,To>::new (line 259) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e7bb3808a4b15de27c7c106be5496faf566439d98eb12117384febd388e4ac6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7bb3808a4b15de27c7c106be5496faf566439d98eb12117384febd388e4ac6", kill_on_drop: false }`
[INFO] [stdout] 4e7bb3808a4b15de27c7c106be5496faf566439d98eb12117384febd388e4ac6