[INFO] fetching crate solver 0.0.3-alpha.2...
[INFO] building solver-0.0.3-alpha.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate solver 0.0.3-alpha.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate solver 0.0.3-alpha.2
[INFO] finished tweaking crates.io crate solver 0.0.3-alpha.2
[INFO] tweaked toml for crates.io crate solver 0.0.3-alpha.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate solver 0.0.3-alpha.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6672857d19846f4ffe0a52e820963333f6e349a1d54a11766673b472a6b31b6
[INFO] running `Command { std: "docker" "start" "-a" "c6672857d19846f4ffe0a52e820963333f6e349a1d54a11766673b472a6b31b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6672857d19846f4ffe0a52e820963333f6e349a1d54a11766673b472a6b31b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6672857d19846f4ffe0a52e820963333f6e349a1d54a11766673b472a6b31b6", kill_on_drop: false }`
[INFO] [stdout] c6672857d19846f4ffe0a52e820963333f6e349a1d54a11766673b472a6b31b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf251d94bf464ae9ae4a841ed1513071d1b0df5d79c9ca5d10b38350223b1d9e
[INFO] running `Command { std: "docker" "start" "-a" "cf251d94bf464ae9ae4a841ed1513071d1b0df5d79c9ca5d10b38350223b1d9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling solver v0.0.3-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ga/model.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         fitness_fn: &'_ dyn Fn(&Individual) -> i32,
[INFO] [stdout]    |                      ^^ the lifetime is elided here
[INFO] [stdout] 21 |         config: Config,
[INFO] [stdout] 22 |     ) -> Model {
[INFO] [stdout]    |          ^^^^^ 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] 22 |     ) -> Model<'_> {
[INFO] [stdout]    |               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ga/solver.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(model: Model<'_>) -> Solver {
[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: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(model: Model<'_>) -> Solver<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ga/solver.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn get_model(&self) -> &Model {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^
[INFO] [stdout]    |                      |         ||
[INFO] [stdout]    |                      |         |the same lifetime is hidden here
[INFO] [stdout]    |                      |         the same lifetime is elided here
[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] 22 |     pub fn get_model(&self) -> &Model<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "cf251d94bf464ae9ae4a841ed1513071d1b0df5d79c9ca5d10b38350223b1d9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf251d94bf464ae9ae4a841ed1513071d1b0df5d79c9ca5d10b38350223b1d9e", kill_on_drop: false }`
[INFO] [stdout] cf251d94bf464ae9ae4a841ed1513071d1b0df5d79c9ca5d10b38350223b1d9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a32455f62bc00fdbc2223082ec3f42480103616c26aca5032008caa562154cfc
[INFO] running `Command { std: "docker" "start" "-a" "a32455f62bc00fdbc2223082ec3f42480103616c26aca5032008caa562154cfc", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ga/model.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         fitness_fn: &'_ dyn Fn(&Individual) -> i32,
[INFO] [stdout]    |                      ^^ the lifetime is elided here
[INFO] [stdout] 21 |         config: Config,
[INFO] [stdout] 22 |     ) -> Model {
[INFO] [stdout]    |          ^^^^^ 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] 22 |     ) -> Model<'_> {
[INFO] [stdout]    |               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ga/solver.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(model: Model<'_>) -> Solver {
[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: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(model: Model<'_>) -> Solver<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ga/solver.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn get_model(&self) -> &Model {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^
[INFO] [stdout]    |                      |         ||
[INFO] [stdout]    |                      |         |the same lifetime is hidden here
[INFO] [stdout]    |                      |         the same lifetime is elided here
[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] 22 |     pub fn get_model(&self) -> &Model<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling solver v0.0.3-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ga/model.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |         fitness_fn: &'_ dyn Fn(&Individual) -> i32,
[INFO] [stdout]    |                      ^^ the lifetime is elided here
[INFO] [stdout] 21 |         config: Config,
[INFO] [stdout] 22 |     ) -> Model {
[INFO] [stdout]    |          ^^^^^ 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] 22 |     ) -> Model<'_> {
[INFO] [stdout]    |               ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ga/solver.rs:11:29
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(model: Model<'_>) -> Solver {
[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: consistently use `'_`
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(model: Model<'_>) -> Solver<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/ga/solver.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |     pub fn get_model(&self) -> &Model {
[INFO] [stdout]    |                      ^^^^^     ^^^^^^
[INFO] [stdout]    |                      |         ||
[INFO] [stdout]    |                      |         |the same lifetime is hidden here
[INFO] [stdout]    |                      |         the same lifetime is elided here
[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] 22 |     pub fn get_model(&self) -> &Model<'_> {
[INFO] [stdout]    |                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "a32455f62bc00fdbc2223082ec3f42480103616c26aca5032008caa562154cfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a32455f62bc00fdbc2223082ec3f42480103616c26aca5032008caa562154cfc", kill_on_drop: false }`
[INFO] [stdout] a32455f62bc00fdbc2223082ec3f42480103616c26aca5032008caa562154cfc