[INFO] cloning repository https://github.com/toidiu/talk_rust_2093
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toidiu/talk_rust_2093" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoidiu%2Ftalk_rust_2093", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoidiu%2Ftalk_rust_2093'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7ad5b55a8620d45588a427aca31290ce8cef0fd
[INFO] checking toidiu/talk_rust_2093 against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoidiu%2Ftalk_rust_2093" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/toidiu/talk_rust_2093 on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/toidiu/talk_rust_2093
[INFO] finished tweaking git repo https://github.com/toidiu/talk_rust_2093
[INFO] tweaked toml for git repo https://github.com/toidiu/talk_rust_2093 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/toidiu/talk_rust_2093 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30652fda3aa062bf7456860e567c17148ed4084f2bb5ee1e3c9828feaa4bc343
[INFO] running `Command { std: "docker" "start" "-a" "30652fda3aa062bf7456860e567c17148ed4084f2bb5ee1e3c9828feaa4bc343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30652fda3aa062bf7456860e567c17148ed4084f2bb5ee1e3c9828feaa4bc343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30652fda3aa062bf7456860e567c17148ed4084f2bb5ee1e3c9828feaa4bc343", kill_on_drop: false }`
[INFO] [stdout] 30652fda3aa062bf7456860e567c17148ed4084f2bb5ee1e3c9828feaa4bc343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 473196dc2ce7cdcd12cf5088de45e3e42f6ddbc2b2029c9466a5fc9105db019a
[INFO] running `Command { std: "docker" "start" "-a" "473196dc2ce7cdcd12cf5088de45e3e42f6ddbc2b2029c9466a5fc9105db019a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking infer v0.1.0 (/opt/rustwide/workdir/lib/infer)
[INFO] [stderr]     Checking explicit v0.1.0 (/opt/rustwide/workdir/lib/explicit)
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]  --> lib/infer/src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Foo<'a, T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `infer_outlives_requirements` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> lib/infer/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(infer_outlives_requirements)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]  --> lib/explicit/src/lib.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo<'a, T>
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking present v0.1.0 (/opt/rustwide/workdir/bin/present)
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]  --> lib/infer/src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Foo<'a, T> {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `infer_outlives_requirements` has been stable since 1.30.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> lib/infer/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(infer_outlives_requirements)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Foo`
[INFO] [stdout]  --> lib/explicit/src/lib.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct Foo<'a, T>
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.85s
[INFO] running `Command { std: "docker" "inspect" "473196dc2ce7cdcd12cf5088de45e3e42f6ddbc2b2029c9466a5fc9105db019a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473196dc2ce7cdcd12cf5088de45e3e42f6ddbc2b2029c9466a5fc9105db019a", kill_on_drop: false }`
[INFO] [stdout] 473196dc2ce7cdcd12cf5088de45e3e42f6ddbc2b2029c9466a5fc9105db019a