[INFO] fetching crate minigrep--thefool-gw 0.1.0...
[INFO] building minigrep--thefool-gw-0.1.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate minigrep--thefool-gw 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate minigrep--thefool-gw 0.1.0
[INFO] finished tweaking crates.io crate minigrep--thefool-gw 0.1.0
[INFO] tweaked toml for crates.io crate minigrep--thefool-gw 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate minigrep--thefool-gw 0.1.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate minigrep--thefool-gw 0.1.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dde4377aed1a8a72faa3dca5dce95c0971e01d13b44f904d64bc7587022e02ab
[INFO] running `Command { std: "docker" "start" "-a" "dde4377aed1a8a72faa3dca5dce95c0971e01d13b44f904d64bc7587022e02ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dde4377aed1a8a72faa3dca5dce95c0971e01d13b44f904d64bc7587022e02ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dde4377aed1a8a72faa3dca5dce95c0971e01d13b44f904d64bc7587022e02ab", kill_on_drop: false }`
[INFO] [stdout] dde4377aed1a8a72faa3dca5dce95c0971e01d13b44f904d64bc7587022e02ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e4d87e398d13c0d44490ccc6e5fff30dfdab822987a7b2f04c5b959149b4a7a
[INFO] running `Command { std: "docker" "start" "-a" "3e4d87e398d13c0d44490ccc6e5fff30dfdab822987a7b2f04c5b959149b4a7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep--thefool-gw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `query` is never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Config<'a,'b> {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 16 |     query: &'a str,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn parse_config(args: &[String]) -> Config {
[INFO] [stdout]    |                       ^^^^^^^^^     ^^^^^^
[INFO] [stdout]    |                       |             |
[INFO] [stdout]    |                       |             the same lifetime is hidden here
[INFO] [stdout]    |                       |             the same lifetime is hidden here
[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] 28 | fn parse_config(args: &[String]) -> Config<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "3e4d87e398d13c0d44490ccc6e5fff30dfdab822987a7b2f04c5b959149b4a7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4d87e398d13c0d44490ccc6e5fff30dfdab822987a7b2f04c5b959149b4a7a", kill_on_drop: false }`
[INFO] [stdout] 3e4d87e398d13c0d44490ccc6e5fff30dfdab822987a7b2f04c5b959149b4a7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bc35d641c2494de78658948ecbcb7552e3ac484e9fee025fa69107ba9620e57
[INFO] running `Command { std: "docker" "start" "-a" "4bc35d641c2494de78658948ecbcb7552e3ac484e9fee025fa69107ba9620e57", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigrep--thefool-gw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `query` is never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Config<'a,'b> {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 16 |     query: &'a str,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:28:23
[INFO] [stdout]    |
[INFO] [stdout] 28 | fn parse_config(args: &[String]) -> Config {
[INFO] [stdout]    |                       ^^^^^^^^^     ^^^^^^
[INFO] [stdout]    |                       |             |
[INFO] [stdout]    |                       |             the same lifetime is hidden here
[INFO] [stdout]    |                       |             the same lifetime is hidden here
[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] 28 | fn parse_config(args: &[String]) -> Config<'_> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "4bc35d641c2494de78658948ecbcb7552e3ac484e9fee025fa69107ba9620e57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc35d641c2494de78658948ecbcb7552e3ac484e9fee025fa69107ba9620e57", kill_on_drop: false }`
[INFO] [stdout] 4bc35d641c2494de78658948ecbcb7552e3ac484e9fee025fa69107ba9620e57