[INFO] fetching crate qurs 0.2.0...
[INFO] building qurs-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate qurs 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate qurs 0.2.0
[INFO] finished tweaking crates.io crate qurs 0.2.0
[INFO] tweaked toml for crates.io crate qurs 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate qurs 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 87 packages to latest compatible versions
[INFO] [stderr]       Adding bindgen v0.60.1 (available: v0.72.1)
[INFO] [stderr]       Adding ordered-float v3.9.2 (available: v5.0.0)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05423e550c7ade62ab6f97ece933bd4eddaaecf98bfb1908e6ed94b395dc4277
[INFO] running `Command { std: "docker" "start" "-a" "05423e550c7ade62ab6f97ece933bd4eddaaecf98bfb1908e6ed94b395dc4277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05423e550c7ade62ab6f97ece933bd4eddaaecf98bfb1908e6ed94b395dc4277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05423e550c7ade62ab6f97ece933bd4eddaaecf98bfb1908e6ed94b395dc4277", kill_on_drop: false }`
[INFO] [stdout] 05423e550c7ade62ab6f97ece933bd4eddaaecf98bfb1908e6ed94b395dc4277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 469a1158f7368a02a42d81e3416f634e04ab917c59a0ee503271b6d9eb304f86
[INFO] running `Command { std: "docker" "start" "-a" "469a1158f7368a02a42d81e3416f634e04ab917c59a0ee503271b6d9eb304f86", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling bindgen v0.60.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling humantime v2.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling superslice v1.0.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling ordered-float v3.9.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.39
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling qurs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `PureStateRef` is never used
[INFO] [stdout]   --> src/state.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub trait PureStateRef<F>: StateRef<F> {}
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PureStateMut` is never used
[INFO] [stdout]   --> src/state.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait PureStateMut<F>: PureStateRef<F> + StateMut<F> {}
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GeneralStateRef` is never used
[INFO] [stdout]    --> src/state.rs:296:11
[INFO] [stdout]     |
[INFO] [stdout] 296 | pub trait GeneralStateRef {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GeneralStateMut` is never used
[INFO] [stdout]    --> src/state.rs:298:11
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub trait GeneralStateMut {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.76s
[INFO] running `Command { std: "docker" "inspect" "469a1158f7368a02a42d81e3416f634e04ab917c59a0ee503271b6d9eb304f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469a1158f7368a02a42d81e3416f634e04ab917c59a0ee503271b6d9eb304f86", kill_on_drop: false }`
[INFO] [stdout] 469a1158f7368a02a42d81e3416f634e04ab917c59a0ee503271b6d9eb304f86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4df44254b185670af09058bf434e8ff721bafd1b9304ae37218d5362046c7e8c
[INFO] running `Command { std: "docker" "start" "-a" "4df44254b185670af09058bf434e8ff721bafd1b9304ae37218d5362046c7e8c", kill_on_drop: false }`
[INFO] [stdout] warning: trait `PureStateRef` is never used
[INFO] [stdout]   --> src/state.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub trait PureStateRef<F>: StateRef<F> {}
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PureStateMut` is never used
[INFO] [stdout]   --> src/state.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait PureStateMut<F>: PureStateRef<F> + StateMut<F> {}
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GeneralStateRef` is never used
[INFO] [stdout]    --> src/state.rs:296:11
[INFO] [stdout]     |
[INFO] [stdout] 296 | pub trait GeneralStateRef {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GeneralStateMut` is never used
[INFO] [stdout]    --> src/state.rs:298:11
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub trait GeneralStateMut {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling qurs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `PureStateRef` is never used
[INFO] [stdout]   --> src/state.rs:54:11
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub trait PureStateRef<F>: StateRef<F> {}
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PureStateMut` is never used
[INFO] [stdout]   --> src/state.rs:56:11
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub trait PureStateMut<F>: PureStateRef<F> + StateMut<F> {}
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GeneralStateRef` is never used
[INFO] [stdout]    --> src/state.rs:296:11
[INFO] [stdout]     |
[INFO] [stdout] 296 | pub trait GeneralStateRef {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `GeneralStateMut` is never used
[INFO] [stdout]    --> src/state.rs:298:11
[INFO] [stdout]     |
[INFO] [stdout] 298 | pub trait GeneralStateMut {}
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "4df44254b185670af09058bf434e8ff721bafd1b9304ae37218d5362046c7e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4df44254b185670af09058bf434e8ff721bafd1b9304ae37218d5362046c7e8c", kill_on_drop: false }`
[INFO] [stdout] 4df44254b185670af09058bf434e8ff721bafd1b9304ae37218d5362046c7e8c
