[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#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoidiu%2Ftalk_rust_2093" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/toidiu/talk_rust_2093 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-11/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d6156177ae663450930dd9f8ba1a46cc04cd9c459da9b5a3c8814b6e163805b
[INFO] running `Command { std: "docker" "start" "-a" "4d6156177ae663450930dd9f8ba1a46cc04cd9c459da9b5a3c8814b6e163805b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d6156177ae663450930dd9f8ba1a46cc04cd9c459da9b5a3c8814b6e163805b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6156177ae663450930dd9f8ba1a46cc04cd9c459da9b5a3c8814b6e163805b", kill_on_drop: false }`
[INFO] [stdout] 4d6156177ae663450930dd9f8ba1a46cc04cd9c459da9b5a3c8814b6e163805b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4be23bf6b75ede0cdcf74e311ad53897e8165e43786fa6d3997dec702b2b129
[INFO] running `Command { std: "docker" "start" "-a" "d4be23bf6b75ede0cdcf74e311ad53897e8165e43786fa6d3997dec702b2b129", kill_on_drop: false }`
[INFO] [stderr]     Checking explicit v0.1.0 (/opt/rustwide/workdir/lib/explicit)
[INFO] [stderr]     Checking infer v0.1.0 (/opt/rustwide/workdir/lib/infer)
[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: 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: 2 warnings emitted
[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 0.54s
[INFO] running `Command { std: "docker" "inspect" "d4be23bf6b75ede0cdcf74e311ad53897e8165e43786fa6d3997dec702b2b129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4be23bf6b75ede0cdcf74e311ad53897e8165e43786fa6d3997dec702b2b129", kill_on_drop: false }`
[INFO] [stdout] d4be23bf6b75ede0cdcf74e311ad53897e8165e43786fa6d3997dec702b2b129