[INFO] fetching crate many-to-many 0.1.7...
[INFO] testing many-to-many-0.1.7 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate many-to-many 0.1.7 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate many-to-many 0.1.7
[INFO] finished tweaking crates.io crate many-to-many 0.1.7
[INFO] tweaked toml for crates.io crate many-to-many 0.1.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate many-to-many 0.1.7 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dbb6fee2d52f939158e231f0aa7594618fb122c582580ed3e8aad9fae6d5c49
[INFO] running `Command { std: "docker" "start" "-a" "3dbb6fee2d52f939158e231f0aa7594618fb122c582580ed3e8aad9fae6d5c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dbb6fee2d52f939158e231f0aa7594618fb122c582580ed3e8aad9fae6d5c49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dbb6fee2d52f939158e231f0aa7594618fb122c582580ed3e8aad9fae6d5c49", kill_on_drop: false }`
[INFO] [stdout] 3dbb6fee2d52f939158e231f0aa7594618fb122c582580ed3e8aad9fae6d5c49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2efae5cd103b22e6350afb825165d5a458ac883031e5bb955255bad4873acdac
[INFO] running `Command { std: "docker" "start" "-a" "2efae5cd103b22e6350afb825165d5a458ac883031e5bb955255bad4873acdac", kill_on_drop: false }`
[INFO] [stderr]    Compiling many-to-many v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn get_left_keys(&self) -> Keys<L, HashSet<R>> {
[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] 136 |     pub fn get_left_keys(&self) -> Keys<'_, L, HashSet<R>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:141:27
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn get_right_keys(&self) -> Keys<R, HashSet<L>> {
[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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn get_right_keys(&self) -> Keys<'_, R, HashSet<L>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2efae5cd103b22e6350afb825165d5a458ac883031e5bb955255bad4873acdac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2efae5cd103b22e6350afb825165d5a458ac883031e5bb955255bad4873acdac", kill_on_drop: false }`
[INFO] [stdout] 2efae5cd103b22e6350afb825165d5a458ac883031e5bb955255bad4873acdac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f060e4e7a5c80e02c36151e06fbbd3c03980cc12e513e56a1b451c4dcf85b9e
[INFO] running `Command { std: "docker" "start" "-a" "1f060e4e7a5c80e02c36151e06fbbd3c03980cc12e513e56a1b451c4dcf85b9e", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn get_left_keys(&self) -> Keys<L, HashSet<R>> {
[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] 136 |     pub fn get_left_keys(&self) -> Keys<'_, L, HashSet<R>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:141:27
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn get_right_keys(&self) -> Keys<R, HashSet<L>> {
[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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn get_right_keys(&self) -> Keys<'_, R, HashSet<L>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling many-to-many v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:136:26
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pub fn get_left_keys(&self) -> Keys<L, HashSet<R>> {
[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] 136 |     pub fn get_left_keys(&self) -> Keys<'_, L, HashSet<R>> {
[INFO] [stdout]     |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:141:27
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn get_right_keys(&self) -> Keys<R, HashSet<L>> {
[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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 141 |     pub fn get_right_keys(&self) -> Keys<'_, R, HashSet<L>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "1f060e4e7a5c80e02c36151e06fbbd3c03980cc12e513e56a1b451c4dcf85b9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f060e4e7a5c80e02c36151e06fbbd3c03980cc12e513e56a1b451c4dcf85b9e", kill_on_drop: false }`
[INFO] [stdout] 1f060e4e7a5c80e02c36151e06fbbd3c03980cc12e513e56a1b451c4dcf85b9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 99d573ce79186eb0c3b1b61156d5e5b9f0f6bfa35b54dbf3c68c831c9795ac54
[INFO] running `Command { std: "docker" "start" "-a" "99d573ce79186eb0c3b1b61156d5e5b9f0f6bfa35b54dbf3c68c831c9795ac54", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:136:26
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pub fn get_left_keys(&self) -> Keys<L, HashSet<R>> {
[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] 136 |     pub fn get_left_keys(&self) -> Keys<'_, L, HashSet<R>> {
[INFO] [stderr]     |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:141:27
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn get_right_keys(&self) -> Keys<R, HashSet<L>> {
[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] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn get_right_keys(&self) -> Keys<'_, R, HashSet<L>> {
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: `many-to-many` (lib) generated 2 warnings (run `cargo fix --lib -p many-to-many` to apply 2 suggestions)
[INFO] [stderr] warning: `many-to-many` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/many_to_many-cab7e547a32deb5a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests many_to_many
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.66s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "99d573ce79186eb0c3b1b61156d5e5b9f0f6bfa35b54dbf3c68c831c9795ac54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99d573ce79186eb0c3b1b61156d5e5b9f0f6bfa35b54dbf3c68c831c9795ac54", kill_on_drop: false }`
[INFO] [stdout] 99d573ce79186eb0c3b1b61156d5e5b9f0f6bfa35b54dbf3c68c831c9795ac54
