[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) -> (Powerset>, 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) -> (Powerset>, 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) -> (Powerset>, 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) -> (Powerset>, 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) -> (Powerset>, 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) -> (Powerset>, 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