[INFO] fetching crate kbs2 0.7.3...
[INFO] checking kbs2-0.7.3 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate kbs2 0.7.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate kbs2 0.7.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kbs2 0.7.3
[INFO] tweaked toml for crates.io crate kbs2 0.7.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kbs2 0.7.3 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kbs2 0.7.3 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8862687b15a046402de59b36bdb02f26f0df153a601245cdf61836671ac16b7a
[INFO] running `Command { std: "docker" "start" "-a" "8862687b15a046402de59b36bdb02f26f0df153a601245cdf61836671ac16b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8862687b15a046402de59b36bdb02f26f0df153a601245cdf61836671ac16b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8862687b15a046402de59b36bdb02f26f0df153a601245cdf61836671ac16b7a", kill_on_drop: false }`
[INFO] [stdout] 8862687b15a046402de59b36bdb02f26f0df153a601245cdf61836671ac16b7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd465fa7800e643b6b4cc20df8027d7a945141b91511e98029fdf939158df39d
[INFO] running `Command { std: "docker" "start" "-a" "fd465fa7800e643b6b4cc20df8027d7a945141b91511e98029fdf939158df39d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
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[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]    Compiling kbs2 v0.7.3 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: enum `X11Clipboard` is never used
[INFO] [stdout]    --> src/kbs2/config.rs:264:10
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub enum X11Clipboard {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `X11Clipboard` is never used
[INFO] [stdout]    --> src/kbs2/config.rs:264:10
[INFO] [stdout]     |
[INFO] [stdout] 264 | pub enum X11Clipboard {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/kbs2/session.rs:179:30
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn dummy_session(config: &config::Config) -> Session {
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^     ------- the same lifetime is hidden here
[INFO] [stdout]     |                              |
[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] 179 |     fn dummy_session(config: &config::Config) -> Session<'_> {
[INFO] [stdout]     |                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "fd465fa7800e643b6b4cc20df8027d7a945141b91511e98029fdf939158df39d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd465fa7800e643b6b4cc20df8027d7a945141b91511e98029fdf939158df39d", kill_on_drop: false }`
[INFO] [stdout] fd465fa7800e643b6b4cc20df8027d7a945141b91511e98029fdf939158df39d