[INFO] fetching crate generic-tests 0.1.3...
[INFO] testing generic-tests-0.1.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate generic-tests 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate generic-tests 0.1.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate generic-tests 0.1.3
[INFO] tweaked toml for crates.io crate generic-tests 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate generic-tests 0.1.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3594203b76375499812aaa38c569560250f7cb08d5a214d70a7c6f4b7ec9f222
[INFO] running `Command { std: "docker" "start" "-a" "3594203b76375499812aaa38c569560250f7cb08d5a214d70a7c6f4b7ec9f222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3594203b76375499812aaa38c569560250f7cb08d5a214d70a7c6f4b7ec9f222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3594203b76375499812aaa38c569560250f7cb08d5a214d70a7c6f4b7ec9f222", kill_on_drop: false }`
[INFO] [stdout] 3594203b76375499812aaa38c569560250f7cb08d5a214d70a7c6f4b7ec9f222
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31d09024aa5022dcbdf4a5bc65c3850f1fac6d32a0b942f45525171ea292ff3f
[INFO] running `Command { std: "docker" "start" "-a" "31d09024aa5022dcbdf4a5bc65c3850f1fac6d32a0b942f45525171ea292ff3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling generic-tests v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `Command { std: "docker" "inspect" "31d09024aa5022dcbdf4a5bc65c3850f1fac6d32a0b942f45525171ea292ff3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31d09024aa5022dcbdf4a5bc65c3850f1fac6d32a0b942f45525171ea292ff3f", kill_on_drop: false }`
[INFO] [stdout] 31d09024aa5022dcbdf4a5bc65c3850f1fac6d32a0b942f45525171ea292ff3f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f0890cc2485c1dab9b63384a0f09e8156fbea2b91c9907780de21a71a827f56
[INFO] running `Command { std: "docker" "start" "-a" "9f0890cc2485c1dab9b63384a0f09e8156fbea2b91c9907780de21a71a827f56", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling generic-tests v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.51.1
[INFO] [stdout] error: variable `b` is assigned to, but never used
[INFO] [stdout]    --> tests/tests.rs:373:55
[INFO] [stdout]     |
[INFO] [stdout] 373 |     fn two_args_sharing_a_lifetime<'b, T>(s: &'b str, mut b: Borrowed<'b>) {
[INFO] [stdout]     |                                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_b` instead
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> tests/tests.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout]   1 | #![deny(unused)]
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_variables)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: value assigned to `b` is never read
[INFO] [stdout]    --> tests/tests.rs:374:9
[INFO] [stdout]     |
[INFO] [stdout] 374 |         b.a = s;
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[deny(unused_assignments)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> tests/tests.rs:383:79
[INFO] [stdout]     |
[INFO] [stdout] 383 |     fn explicit_in_input_placeholder_in_output<'a, T>(a: &'a str) -> Borrowed<'_> {
[INFO] [stdout]     |                                                           --                  ^^ the same lifetime is elided here
[INFO] [stdout]     |                                                           |
[INFO] [stdout]     |                                                           the lifetime is named 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 383 -     fn explicit_in_input_placeholder_in_output<'a, T>(a: &'a str) -> Borrowed<'_> {
[INFO] [stdout] 383 +     fn explicit_in_input_placeholder_in_output<'a, T>(a: &'a str) -> Borrowed<'a> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `generic-tests` (test "tests") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9f0890cc2485c1dab9b63384a0f09e8156fbea2b91c9907780de21a71a827f56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0890cc2485c1dab9b63384a0f09e8156fbea2b91c9907780de21a71a827f56", kill_on_drop: false }`
[INFO] [stdout] 9f0890cc2485c1dab9b63384a0f09e8156fbea2b91c9907780de21a71a827f56