[INFO] fetching crate qvm 0.1.0...
[INFO] testing qvm-0.1.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate qvm 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate qvm 0.1.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qvm 0.1.0
[INFO] finished tweaking crates.io crate qvm 0.1.0
[INFO] tweaked toml for crates.io crate qvm 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate qvm 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3154eb07609e295d3fbd6b3c93e238b73495ddd0bc236b9a4466f9244acbb49
[INFO] running `Command { std: "docker" "start" "-a" "a3154eb07609e295d3fbd6b3c93e238b73495ddd0bc236b9a4466f9244acbb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3154eb07609e295d3fbd6b3c93e238b73495ddd0bc236b9a4466f9244acbb49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3154eb07609e295d3fbd6b3c93e238b73495ddd0bc236b9a4466f9244acbb49", kill_on_drop: false }`
[INFO] [stdout] a3154eb07609e295d3fbd6b3c93e238b73495ddd0bc236b9a4466f9244acbb49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aa9e495c42f1a0ea883a53ab9fa8a3aee2e43a6d87feb40f49d6f26d81058c7
[INFO] running `Command { std: "docker" "start" "-a" "8aa9e495c42f1a0ea883a53ab9fa8a3aee2e43a6d87feb40f49d6f26d81058c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling qvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/gate.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn to_function(&self) -> (fn(Vec<Complex64>) -> Vec<Complex64>){
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bits`
[INFO] [stdout]   --> src/address_decoder.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 |     bits : usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "8aa9e495c42f1a0ea883a53ab9fa8a3aee2e43a6d87feb40f49d6f26d81058c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa9e495c42f1a0ea883a53ab9fa8a3aee2e43a6d87feb40f49d6f26d81058c7", kill_on_drop: false }`
[INFO] [stdout] 8aa9e495c42f1a0ea883a53ab9fa8a3aee2e43a6d87feb40f49d6f26d81058c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3fa32ad85a588d4d3c189168e8bc8545841765be15c3f960e312c49e9605b13
[INFO] running `Command { std: "docker" "start" "-a" "f3fa32ad85a588d4d3c189168e8bc8545841765be15c3f960e312c49e9605b13", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling qvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/gate.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn to_function(&self) -> (fn(Vec<Complex64>) -> Vec<Complex64>){
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bits`
[INFO] [stdout]   --> src/address_decoder.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 |     bits : usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/gate.rs:18:31
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn to_function(&self) -> (fn(Vec<Complex64>) -> Vec<Complex64>){
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bits`
[INFO] [stdout]   --> src/address_decoder.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 |     bits : usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "f3fa32ad85a588d4d3c189168e8bc8545841765be15c3f960e312c49e9605b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3fa32ad85a588d4d3c189168e8bc8545841765be15c3f960e312c49e9605b13", kill_on_drop: false }`
[INFO] [stdout] f3fa32ad85a588d4d3c189168e8bc8545841765be15c3f960e312c49e9605b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e44fb1ee6e6c754c097b6eff0168ec864af0a1242b8fcc450d352e4ca5884689
[INFO] running `Command { std: "docker" "start" "-a" "e44fb1ee6e6c754c097b6eff0168ec864af0a1242b8fcc450d352e4ca5884689", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/gate.rs:18:31
[INFO] [stdout] test address_decoder::address_decoder_tester ... ok
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 18 |     pub fn to_function(&self) -> (fn(Vec<Complex64>) -> Vec<Complex64>){
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `bits`
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   --> src/address_decoder.rs:31:2
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr] 31 |     bits : usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/gate.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn to_function(&self) -> (fn(Vec<Complex64>) -> Vec<Complex64>){
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bits`
[INFO] [stderr]   --> src/address_decoder.rs:31:2
[INFO] [stderr]    |
[INFO] [stderr] 31 |     bits : usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qvm-568f5e1512d6d7ba)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/qvm-5e5a3afda6f3fdbc)
[INFO] [stderr]    Doc-tests qvm
[INFO] [stderr] error[E0659]: `qvm` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:2:9
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub use qvm::QVM;
[INFO] [stderr]   |         ^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `qvm` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::qvm` to refer to this crate unambiguously
[INFO] [stderr] note: `qvm` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod qvm;
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stderr]   = help: use `crate::qvm` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/gate.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn to_function(&self) -> (fn(Vec<Complex64>) -> Vec<Complex64>){
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "e44fb1ee6e6c754c097b6eff0168ec864af0a1242b8fcc450d352e4ca5884689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e44fb1ee6e6c754c097b6eff0168ec864af0a1242b8fcc450d352e4ca5884689", kill_on_drop: false }`
[INFO] [stdout] e44fb1ee6e6c754c097b6eff0168ec864af0a1242b8fcc450d352e4ca5884689