[INFO] fetching crate gap_solver 0.2.0...
[INFO] checking gap_solver-0.2.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate gap_solver 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate gap_solver 0.2.0
[INFO] finished tweaking crates.io crate gap_solver 0.2.0
[INFO] tweaked toml for crates.io crate gap_solver 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gap_solver 0.2.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 891cf4891a1cedf187f71a9dd7b71446e951c93b25c3e3cbfc38d6b6266ffa08
[INFO] running `Command { std: "docker" "start" "-a" "891cf4891a1cedf187f71a9dd7b71446e951c93b25c3e3cbfc38d6b6266ffa08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "891cf4891a1cedf187f71a9dd7b71446e951c93b25c3e3cbfc38d6b6266ffa08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891cf4891a1cedf187f71a9dd7b71446e951c93b25c3e3cbfc38d6b6266ffa08", kill_on_drop: false }`
[INFO] [stdout] 891cf4891a1cedf187f71a9dd7b71446e951c93b25c3e3cbfc38d6b6266ffa08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea8933b63624ea9a2c46b622c26d3f70366c0504ca990cc892ac892bb6ce38d
[INFO] running `Command { std: "docker" "start" "-a" "7ea8933b63624ea9a2c46b622c26d3f70366c0504ca990cc892ac892bb6ce38d", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking gap_solver v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/solver.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn solve<A, T, C, P>(spec: &GapSpec<A, T, C, P>) -> HashSet<Assignment<A, T, C, P>>
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^             ---------------------- the same lifetime is hidden here
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn solve<A, T, C, P>(spec: &GapSpec<A, T, C, P>) -> HashSet<Assignment<'_, A, T, C, P>>
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/solver.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn init_open_set<A, T, C, P>(spec: &GapSpec<A, T, C, P>) -> HashSet<Assignment<A, T, C, P>>
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^             ---------------------- the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn init_open_set<A, T, C, P>(spec: &GapSpec<A, T, C, P>) -> HashSet<Assignment<'_, A, T, C, P>>
[INFO] [stdout]    |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/solver.rs:12:32
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn solve<A, T, C, P>(spec: &GapSpec<A, T, C, P>) -> HashSet<Assignment<A, T, C, P>>
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^             ---------------------- the same lifetime is hidden here
[INFO] [stdout]    |                                |
[INFO] [stdout]    |                                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn solve<A, T, C, P>(spec: &GapSpec<A, T, C, P>) -> HashSet<Assignment<'_, A, T, C, P>>
[INFO] [stdout]    |                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/solver.rs:56:36
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn init_open_set<A, T, C, P>(spec: &GapSpec<A, T, C, P>) -> HashSet<Assignment<A, T, C, P>>
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^             ---------------------- the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn init_open_set<A, T, C, P>(spec: &GapSpec<A, T, C, P>) -> HashSet<Assignment<'_, A, T, C, P>>
[INFO] [stdout]    |                                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.52s
[INFO] running `Command { std: "docker" "inspect" "7ea8933b63624ea9a2c46b622c26d3f70366c0504ca990cc892ac892bb6ce38d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea8933b63624ea9a2c46b622c26d3f70366c0504ca990cc892ac892bb6ce38d", kill_on_drop: false }`
[INFO] [stdout] 7ea8933b63624ea9a2c46b622c26d3f70366c0504ca990cc892ac892bb6ce38d