[INFO] fetching crate algos 0.6.8...
[INFO] checking algos-0.6.8 against master#c9af9c1dc85a55e309345030ff9cb7ea247953fa for pr-151146
[INFO] extracting crate algos 0.6.8 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate algos 0.6.8
[INFO] finished tweaking crates.io crate algos 0.6.8
[INFO] tweaked toml for crates.io crate algos 0.6.8 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate algos 0.6.8 on toolchain c9af9c1dc85a55e309345030ff9cb7ea247953fa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate algos 0.6.8 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" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coveralls-api v0.6.0
[INFO] [stderr]   Downloaded rand_core v0.9.1
[INFO] [stderr]   Downloaded cargo_metadata v0.19.1
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[INFO] [stderr]   Downloaded procfs-core v0.17.0
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.18
[INFO] [stderr]   Downloaded procfs v0.17.0
[INFO] [stderr]   Downloaded object v0.26.2
[INFO] [stderr]   Downloaded git2 v0.20.0
[INFO] [stderr]   Downloaded zerocopy v0.8.18
[INFO] [stderr]   Downloaded cargo-tarpaulin v0.32.0
[INFO] [stderr]   Downloaded openssl v0.10.70
[INFO] [stderr]   Downloaded libgit2-sys v0.18.0+1.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c14bbf110922394737cf9581705c9e9c8c0d3b0e15fed27e4b3acb624e24ae31
[INFO] running `Command { std: "docker" "start" "-a" "c14bbf110922394737cf9581705c9e9c8c0d3b0e15fed27e4b3acb624e24ae31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c14bbf110922394737cf9581705c9e9c8c0d3b0e15fed27e4b3acb624e24ae31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c14bbf110922394737cf9581705c9e9c8c0d3b0e15fed27e4b3acb624e24ae31", kill_on_drop: false }`
[INFO] [stdout] c14bbf110922394737cf9581705c9e9c8c0d3b0e15fed27e4b3acb624e24ae31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+c9af9c1dc85a55e309345030ff9cb7ea247953fa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4efe10ad78622b5b5350af07f319e1622e605827d118a7119efd1ca9aa298f48
[INFO] running `Command { std: "docker" "start" "-a" "4efe10ad78622b5b5350af07f319e1622e605827d118a7119efd1ca9aa298f48", kill_on_drop: false }`
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[INFO] [stderr]     Checking algos v0.6.8 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cs/combinatorial/subset_gen.rs:98:36
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn power_set_iter<T>(elements: &[T]) -> PowerSet<T> {
[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] 98 | pub fn power_set_iter<T>(elements: &[T]) -> PowerSet<'_, T> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking coveralls-api v0.6.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/cs/combinatorial/subset_gen.rs:98:36
[INFO] [stdout]    |
[INFO] [stdout] 98 | pub fn power_set_iter<T>(elements: &[T]) -> PowerSet<T> {
[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] 98 | pub fn power_set_iter<T>(elements: &[T]) -> PowerSet<'_, T> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: num-bigint-dig v0.8.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "4efe10ad78622b5b5350af07f319e1622e605827d118a7119efd1ca9aa298f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efe10ad78622b5b5350af07f319e1622e605827d118a7119efd1ca9aa298f48", kill_on_drop: false }`
[INFO] [stdout] 4efe10ad78622b5b5350af07f319e1622e605827d118a7119efd1ca9aa298f48
