[INFO] fetching crate qvm 0.1.0...
[INFO] testing qvm-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate qvm 0.1.0 into /workspace/builds/worker-0-tc2/source
[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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qvm 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate qvm 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6ee2822c3c19ab3a76ef8e27ec12e26b9d7e5b062818ead09caf327e5b101c3
[INFO] running `Command { std: "docker" "start" "-a" "a6ee2822c3c19ab3a76ef8e27ec12e26b9d7e5b062818ead09caf327e5b101c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6ee2822c3c19ab3a76ef8e27ec12e26b9d7e5b062818ead09caf327e5b101c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ee2822c3c19ab3a76ef8e27ec12e26b9d7e5b062818ead09caf327e5b101c3", kill_on_drop: false }`
[INFO] [stdout] a6ee2822c3c19ab3a76ef8e27ec12e26b9d7e5b062818ead09caf327e5b101c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d614538e846649726116f6e81506ea5bcdd07efb6146cae48e604057ce0d0b50
[INFO] running `Command { std: "docker" "start" "-a" "d614538e846649726116f6e81506ea5bcdd07efb6146cae48e604057ce0d0b50", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[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-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[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]    |                                  ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -     pub fn to_function(&self) -> (fn(Vec<Complex64>) -> Vec<Complex64>){
[INFO] [stdout] 18 +     pub fn to_function(&self) -> fn(Vec<Complex64>) -> Vec<Complex64> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bits` is never read
[INFO] [stdout]   --> src/address_decoder.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct AddressDecoder {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 31 |     bits : usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "d614538e846649726116f6e81506ea5bcdd07efb6146cae48e604057ce0d0b50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d614538e846649726116f6e81506ea5bcdd07efb6146cae48e604057ce0d0b50", kill_on_drop: false }`
[INFO] [stdout] d614538e846649726116f6e81506ea5bcdd07efb6146cae48e604057ce0d0b50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b6513a750cb535b9300534444e8c13a8bd01589c2c24193d4e99f401106cbba
[INFO] running `Command { std: "docker" "start" "-a" "0b6513a750cb535b9300534444e8c13a8bd01589c2c24193d4e99f401106cbba", kill_on_drop: false }`
[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]    |                                  ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -     pub fn to_function(&self) -> (fn(Vec<Complex64>) -> Vec<Complex64>){
[INFO] [stdout] 18 +     pub fn to_function(&self) -> fn(Vec<Complex64>) -> Vec<Complex64> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bits` is never read
[INFO] [stdout]   --> src/address_decoder.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct AddressDecoder {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 31 |     bits : usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[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]    |                                  ^                                    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -     pub fn to_function(&self) -> (fn(Vec<Complex64>) -> Vec<Complex64>){
[INFO] [stdout] 18 +     pub fn to_function(&self) -> fn(Vec<Complex64>) -> Vec<Complex64> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bits` is never read
[INFO] [stdout]   --> src/address_decoder.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub struct AddressDecoder {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 31 |     bits : usize,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "0b6513a750cb535b9300534444e8c13a8bd01589c2c24193d4e99f401106cbba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b6513a750cb535b9300534444e8c13a8bd01589c2c24193d4e99f401106cbba", kill_on_drop: false }`
[INFO] [stdout] 0b6513a750cb535b9300534444e8c13a8bd01589c2c24193d4e99f401106cbba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ac412fb6afc518a6fa7b81453b38ebee47ec5f7616e401c3164fd5978b7ca8f
[INFO] running `Command { std: "docker" "start" "-a" "3ac412fb6afc518a6fa7b81453b38ebee47ec5f7616e401c3164fd5978b7ca8f", kill_on_drop: false }`
[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]    |                                  ^                                    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 18 -     pub fn to_function(&self) -> (fn(Vec<Complex64>) -> Vec<Complex64>){
[INFO] [stderr] 18 +     pub fn to_function(&self) -> fn(Vec<Complex64>) -> Vec<Complex64> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `bits` is never read
[INFO] [stderr]   --> src/address_decoder.rs:31:2
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub struct AddressDecoder {
[INFO] [stderr]    |            -------------- field in this struct
[INFO] [stderr] 31 |     bits : usize,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `qvm` (lib) generated 2 warnings (run `cargo fix --lib -p qvm` to apply 1 suggestion)
[INFO] [stderr] warning: `qvm` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/qvm-254f0b011cbae1ce)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test address_decoder::address_decoder_tester ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/qvm-da39c4451d167478)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests qvm
[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] 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]    |                                  ^                                    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 18 -     pub fn to_function(&self) -> (fn(Vec<Complex64>) -> Vec<Complex64>){
[INFO] [stderr] 18 +     pub fn to_function(&self) -> fn(Vec<Complex64>) -> Vec<Complex64> {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "3ac412fb6afc518a6fa7b81453b38ebee47ec5f7616e401c3164fd5978b7ca8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac412fb6afc518a6fa7b81453b38ebee47ec5f7616e401c3164fd5978b7ca8f", kill_on_drop: false }`
[INFO] [stdout] 3ac412fb6afc518a6fa7b81453b38ebee47ec5f7616e401c3164fd5978b7ca8f