[INFO] fetching crate algorist 0.10.1...
[INFO] checking algorist-0.10.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate algorist 0.10.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate algorist 0.10.1
[INFO] finished tweaking crates.io crate algorist 0.10.1
[INFO] tweaked toml for crates.io crate algorist 0.10.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate algorist 0.10.1 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] crate crates.io crate algorist 0.10.1 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 76583bdb11658e6342684409a594fd6a70c2bb3b63e7518ef683f3ac98d70275
[INFO] running `Command { std: "docker" "start" "-a" "76583bdb11658e6342684409a594fd6a70c2bb3b63e7518ef683f3ac98d70275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76583bdb11658e6342684409a594fd6a70c2bb3b63e7518ef683f3ac98d70275", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76583bdb11658e6342684409a594fd6a70c2bb3b63e7518ef683f3ac98d70275", kill_on_drop: false }`
[INFO] [stdout] 76583bdb11658e6342684409a594fd6a70c2bb3b63e7518ef683f3ac98d70275
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 53cfddc5194e905dfa1e006ceec8181f7fcc8ce9cbba2fb73fc4b70ea6d5d9ec
[INFO] running `Command { std: "docker" "start" "-a" "53cfddc5194e905dfa1e006ceec8181f7fcc8ce9cbba2fb73fc4b70ea6d5d9ec", kill_on_drop: false }`
[INFO] [stderr]     Checking algorist v0.10.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collections/arr_2d.rs:519:22
[INFO] [stdout]     |
[INFO] [stdout] 519 |     pub fn adj_cells(&self, row: usize, col: usize, cell_type: AdjacentCells) -> Vec<Cell<T>> {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here                               ------- the same lifetime is hidden 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] 519 |     pub fn adj_cells(&self, row: usize, col: usize, cell_type: AdjacentCells) -> Vec<Cell<'_, T>> {
[INFO] [stdout]     |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collections/arr_2d.rs:558:17
[INFO] [stdout]     |
[INFO] [stdout] 558 |     pub fn cell(&self, row: usize, col: usize) -> Cell<T> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here ------- the same lifetime is hidden 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] 558 |     pub fn cell(&self, row: usize, col: usize) -> Cell<'_, T> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collections/arr_2d.rs:623:23
[INFO] [stdout]     |
[INFO] [stdout] 623 |     pub fn min_by_key(&self, f: impl Fn(Cell<T>) -> T) -> Option<Cell<T>> {
[INFO] [stdout]     |                       ^^^^^ the lifetime is elided here          ------- the same lifetime is hidden 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] 623 |     pub fn min_by_key(&self, f: impl Fn(Cell<T>) -> T) -> Option<Cell<'_, T>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collections/arr_2d.rs:519:22
[INFO] [stdout]     |
[INFO] [stdout] 519 |     pub fn adj_cells(&self, row: usize, col: usize, cell_type: AdjacentCells) -> Vec<Cell<T>> {
[INFO] [stdout]     |                      ^^^^^ the lifetime is elided here                               ------- the same lifetime is hidden 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] 519 |     pub fn adj_cells(&self, row: usize, col: usize, cell_type: AdjacentCells) -> Vec<Cell<'_, T>> {
[INFO] [stdout]     |                                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collections/arr_2d.rs:558:17
[INFO] [stdout]     |
[INFO] [stdout] 558 |     pub fn cell(&self, row: usize, col: usize) -> Cell<T> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here ------- the same lifetime is hidden 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] 558 |     pub fn cell(&self, row: usize, col: usize) -> Cell<'_, T> {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/collections/arr_2d.rs:623:23
[INFO] [stdout]     |
[INFO] [stdout] 623 |     pub fn min_by_key(&self, f: impl Fn(Cell<T>) -> T) -> Option<Cell<T>> {
[INFO] [stdout]     |                       ^^^^^ the lifetime is elided here          ------- the same lifetime is hidden 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] 623 |     pub fn min_by_key(&self, f: impl Fn(Cell<T>) -> T) -> Option<Cell<'_, T>> {
[INFO] [stdout]     |                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "53cfddc5194e905dfa1e006ceec8181f7fcc8ce9cbba2fb73fc4b70ea6d5d9ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53cfddc5194e905dfa1e006ceec8181f7fcc8ce9cbba2fb73fc4b70ea6d5d9ec", kill_on_drop: false }`
[INFO] [stdout] 53cfddc5194e905dfa1e006ceec8181f7fcc8ce9cbba2fb73fc4b70ea6d5d9ec