[INFO] fetching crate t-oc 7.0.1...
[INFO] building t-oc-7.0.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate t-oc 7.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate t-oc 7.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate t-oc 7.0.1
[INFO] tweaked toml for crates.io crate t-oc 7.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate t-oc 7.0.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate t-oc 7.0.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62745cb664eb32bdabdbd3f67f158095c633014a6213d0ce65dc7eecbf4cacd2
[INFO] running `Command { std: "docker" "start" "-a" "62745cb664eb32bdabdbd3f67f158095c633014a6213d0ce65dc7eecbf4cacd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62745cb664eb32bdabdbd3f67f158095c633014a6213d0ce65dc7eecbf4cacd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62745cb664eb32bdabdbd3f67f158095c633014a6213d0ce65dc7eecbf4cacd2", kill_on_drop: false }`
[INFO] [stdout] 62745cb664eb32bdabdbd3f67f158095c633014a6213d0ce65dc7eecbf4cacd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bc7993eedd85741dfd7b450cf90735c85b731f0a2e63eabc68c81520d257c46
[INFO] running `Command { std: "docker" "start" "-a" "5bc7993eedd85741dfd7b450cf90735c85b731f0a2e63eabc68c81520d257c46", kill_on_drop: false }`
[INFO] [stderr]    Compiling t-oc v7.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:620:9
[INFO] [stdout]     |
[INFO] [stdout] 620 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 624 |     ) -> TraRes {
[INFO] [stdout]     |          ^^^^^^ the same lifetime is hidden 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] 624 |     ) -> TraRes<'_> {
[INFO] [stdout]     |                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "5bc7993eedd85741dfd7b450cf90735c85b731f0a2e63eabc68c81520d257c46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc7993eedd85741dfd7b450cf90735c85b731f0a2e63eabc68c81520d257c46", kill_on_drop: false }`
[INFO] [stdout] 5bc7993eedd85741dfd7b450cf90735c85b731f0a2e63eabc68c81520d257c46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8734ff6cd736f03a8a31742698b480593c04fc29c926e05a559ae7bf9e5abe88
[INFO] running `Command { std: "docker" "start" "-a" "8734ff6cd736f03a8a31742698b480593c04fc29c926e05a559ae7bf9e5abe88", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:620:9
[INFO] [stdout]     |
[INFO] [stdout] 620 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 624 |     ) -> TraRes {
[INFO] [stdout]     |          ^^^^^^ the same lifetime is hidden 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] 624 |     ) -> TraRes<'_> {
[INFO] [stdout]     |                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling t-oc v7.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:620:9
[INFO] [stdout]     |
[INFO] [stdout] 620 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 624 |     ) -> TraRes {
[INFO] [stdout]     |          ^^^^^^ the same lifetime is hidden 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] 624 |     ) -> TraRes<'_> {
[INFO] [stdout]     |                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "8734ff6cd736f03a8a31742698b480593c04fc29c926e05a559ae7bf9e5abe88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8734ff6cd736f03a8a31742698b480593c04fc29c926e05a559ae7bf9e5abe88", kill_on_drop: false }`
[INFO] [stdout] 8734ff6cd736f03a8a31742698b480593c04fc29c926e05a559ae7bf9e5abe88