[INFO] crate dqcsim 0.2.4 is already in cache
[INFO] checking dqcsim-0.2.4 against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] extracting crate dqcsim 0.2.4 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate dqcsim 0.2.4 on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dqcsim 0.2.4
[INFO] finished tweaking crates.io crate dqcsim 0.2.4
[INFO] tweaked toml for crates.io crate dqcsim 0.2.4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate dqcsim 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] bcd0f0d8aba6b75dd261a75a60123bdf8cf458114af010f3eb3c8db94bcf53ec
[INFO] running `Command { std: "docker" "start" "-a" "bcd0f0d8aba6b75dd261a75a60123bdf8cf458114af010f3eb3c8db94bcf53ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcd0f0d8aba6b75dd261a75a60123bdf8cf458114af010f3eb3c8db94bcf53ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd0f0d8aba6b75dd261a75a60123bdf8cf458114af010f3eb3c8db94bcf53ec", kill_on_drop: false }`
[INFO] [stdout] bcd0f0d8aba6b75dd261a75a60123bdf8cf458114af010f3eb3c8db94bcf53ec
[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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0858f013a84f4e32fd95eebb09e3185f65904bb6b9cd06567fca9b9e79cd358
[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" "a0858f013a84f4e32fd95eebb09e3185f65904bb6b9cd06567fca9b9e79cd358", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling dqcsim v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]     Checking pathdiff v0.2.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking whoami v0.9.0
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]     Checking integer-sqrt v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde v1.0.114
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde-transcode v1.1.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking ipc-channel v0.14.1
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/core/host/simulation.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 std::mem::replace(self, AcceleratorState::StartPending(data));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/core/host/simulation.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 std::mem::replace(self, AcceleratorState::WaitPending(data));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/core/host/simulation.rs:92:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |                 std::mem::replace(self, AcceleratorState::StartPending(data));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/core/host/simulation.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |                 std::mem::replace(self, AcceleratorState::WaitPending(data));
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.95s
[INFO] running `Command { std: "docker" "inspect" "a0858f013a84f4e32fd95eebb09e3185f65904bb6b9cd06567fca9b9e79cd358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0858f013a84f4e32fd95eebb09e3185f65904bb6b9cd06567fca9b9e79cd358", kill_on_drop: false }`
[INFO] [stdout] a0858f013a84f4e32fd95eebb09e3185f65904bb6b9cd06567fca9b9e79cd358