[INFO] fetching crate kbs2 0.7.3...
[INFO] building kbs2-0.7.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate kbs2 0.7.3 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kbs2 0.7.3 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 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] f6e7422e207b9820ebbe0aa5c61c89b17e2f1dfb514c99e525016c383b2055a7
[INFO] running `Command { std: "docker" "start" "-a" "f6e7422e207b9820ebbe0aa5c61c89b17e2f1dfb514c99e525016c383b2055a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6e7422e207b9820ebbe0aa5c61c89b17e2f1dfb514c99e525016c383b2055a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e7422e207b9820ebbe0aa5c61c89b17e2f1dfb514c99e525016c383b2055a7", kill_on_drop: false }`
[INFO] [stdout] f6e7422e207b9820ebbe0aa5c61c89b17e2f1dfb514c99e525016c383b2055a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4dd27a2c9d6c7568ffd6adc98df41dd27db2031b360c81d45319f6e36e3f5dc3
[INFO] running `Command { std: "docker" "start" "-a" "4dd27a2c9d6c7568ffd6adc98df41dd27db2031b360c81d45319f6e36e3f5dc3", kill_on_drop: false }`
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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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 23s
[INFO] running `Command { std: "docker" "inspect" "4dd27a2c9d6c7568ffd6adc98df41dd27db2031b360c81d45319f6e36e3f5dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd27a2c9d6c7568ffd6adc98df41dd27db2031b360c81d45319f6e36e3f5dc3", kill_on_drop: false }`
[INFO] [stdout] 4dd27a2c9d6c7568ffd6adc98df41dd27db2031b360c81d45319f6e36e3f5dc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 75a16ccbcc2824c834ea3e5e28cdafc7d02f62e42e018d2e9e1c58853917759a
[INFO] running `Command { std: "docker" "start" "-a" "75a16ccbcc2824c834ea3e5e28cdafc7d02f62e42e018d2e9e1c58853917759a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling termtree v0.5.1
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[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling kbs2 v0.7.3 (/opt/rustwide/workdir)
[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)]` (part of `#[warn(unused)]`) 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)]` (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/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 `test` profile [unoptimized + debuginfo] target(s) in 18.98s
[INFO] running `Command { std: "docker" "inspect" "75a16ccbcc2824c834ea3e5e28cdafc7d02f62e42e018d2e9e1c58853917759a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a16ccbcc2824c834ea3e5e28cdafc7d02f62e42e018d2e9e1c58853917759a", kill_on_drop: false }`
[INFO] [stdout] 75a16ccbcc2824c834ea3e5e28cdafc7d02f62e42e018d2e9e1c58853917759a