[INFO] cloning repository https://github.com/vaqxai/rust-knapsack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vaqxai/rust-knapsack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaqxai%2Frust-knapsack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaqxai%2Frust-knapsack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72affbc0810699fcad4a095a373898cd667af732
[INFO] testing vaqxai/rust-knapsack against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvaqxai%2Frust-knapsack" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vaqxai/rust-knapsack
[INFO] finished tweaking git repo https://github.com/vaqxai/rust-knapsack
[INFO] tweaked toml for git repo https://github.com/vaqxai/rust-knapsack written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vaqxai/rust-knapsack on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vaqxai/rust-knapsack 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded os_str_bytes v6.1.0
[INFO] [stderr]   Downloaded textwrap v0.15.0
[INFO] [stderr]   Downloaded clap_derive v3.1.18
[INFO] [stderr]   Downloaded clap_lex v0.2.0
[INFO] [stderr]   Downloaded clap v3.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ef6391b25ce69ece9d4b3bbe868f8aeacf21c67803d494fdb3ccb7499415137
[INFO] running `Command { std: "docker" "start" "-a" "1ef6391b25ce69ece9d4b3bbe868f8aeacf21c67803d494fdb3ccb7499415137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ef6391b25ce69ece9d4b3bbe868f8aeacf21c67803d494fdb3ccb7499415137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef6391b25ce69ece9d4b3bbe868f8aeacf21c67803d494fdb3ccb7499415137", kill_on_drop: false }`
[INFO] [stdout] 1ef6391b25ce69ece9d4b3bbe868f8aeacf21c67803d494fdb3ccb7499415137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8d0b7e671646581c3e4e412f8dc793dc8056c331e80ee7a90f034d58577f040
[INFO] running `Command { std: "docker" "start" "-a" "d8d0b7e671646581c3e4e412f8dc793dc8056c331e80ee7a90f034d58577f040", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling os_str_bytes v6.1.0
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]    Compiling clap_lex v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling clap v3.1.18
[INFO] [stderr]    Compiling rust-knapsack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_permutation_iter(items:&Vec<KnapsackItem>) -> (Powerset<Iter<KnapsackItem>>, usize) {
[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] 32 | fn get_permutation_iter(items:&Vec<KnapsackItem>) -> (Powerset<Iter<'_, KnapsackItem>>, usize) {
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.82s
[INFO] running `Command { std: "docker" "inspect" "d8d0b7e671646581c3e4e412f8dc793dc8056c331e80ee7a90f034d58577f040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d0b7e671646581c3e4e412f8dc793dc8056c331e80ee7a90f034d58577f040", kill_on_drop: false }`
[INFO] [stdout] d8d0b7e671646581c3e4e412f8dc793dc8056c331e80ee7a90f034d58577f040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29bd3986a20c486176395e2a56183b72c8828bd1745bea61efc9b3a8f53262f1
[INFO] running `Command { std: "docker" "start" "-a" "29bd3986a20c486176395e2a56183b72c8828bd1745bea61efc9b3a8f53262f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-knapsack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 | fn get_permutation_iter(items:&Vec<KnapsackItem>) -> (Powerset<Iter<KnapsackItem>>, usize) {
[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] 32 | fn get_permutation_iter(items:&Vec<KnapsackItem>) -> (Powerset<Iter<'_, KnapsackItem>>, usize) {
[INFO] [stdout]    |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "29bd3986a20c486176395e2a56183b72c8828bd1745bea61efc9b3a8f53262f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29bd3986a20c486176395e2a56183b72c8828bd1745bea61efc9b3a8f53262f1", kill_on_drop: false }`
[INFO] [stdout] 29bd3986a20c486176395e2a56183b72c8828bd1745bea61efc9b3a8f53262f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be20b785b5bb42c3d9bf73d3514b65d6a7e4af4279f507275d432f0eae51c25f
[INFO] running `Command { std: "docker" "start" "-a" "be20b785b5bb42c3d9bf73d3514b65d6a7e4af4279f507275d432f0eae51c25f", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/main.rs:32:31
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_permutation_iter(items:&Vec<KnapsackItem>) -> (Powerset<Iter<KnapsackItem>>, usize) {
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^               ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                               |
[INFO] [stderr]    |                               the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 32 | fn get_permutation_iter(items:&Vec<KnapsackItem>) -> (Powerset<Iter<'_, KnapsackItem>>, usize) {
[INFO] [stderr]    |                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-knapsack` (bin "rust-knapsack" test) generated 1 warning (run `cargo fix --bin "rust-knapsack" -p rust-knapsack --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_knapsack-25efa36a0e86b687)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be20b785b5bb42c3d9bf73d3514b65d6a7e4af4279f507275d432f0eae51c25f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be20b785b5bb42c3d9bf73d3514b65d6a7e4af4279f507275d432f0eae51c25f", kill_on_drop: false }`
[INFO] [stdout] be20b785b5bb42c3d9bf73d3514b65d6a7e4af4279f507275d432f0eae51c25f
