[INFO] fetching crate duet 0.3.0...
[INFO] checking duet-0.3.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate duet 0.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate duet 0.3.0
[INFO] finished tweaking crates.io crate duet 0.3.0
[INFO] tweaked toml for crates.io crate duet 0.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate duet 0.3.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate duet 0.3.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0431fd34d9594523d7c3b85d2c7d39356464809048954d749f1a09d055e99da4
[INFO] running `Command { std: "docker" "start" "-a" "0431fd34d9594523d7c3b85d2c7d39356464809048954d749f1a09d055e99da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0431fd34d9594523d7c3b85d2c7d39356464809048954d749f1a09d055e99da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0431fd34d9594523d7c3b85d2c7d39356464809048954d749f1a09d055e99da4", kill_on_drop: false }`
[INFO] [stdout] 0431fd34d9594523d7c3b85d2c7d39356464809048954d749f1a09d055e99da4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1654ec42bd050b3c095e0fd293c0d0e90b66c22a330d04cf9f5e248217ed807
[INFO] running `Command { std: "docker" "start" "-a" "b1654ec42bd050b3c095e0fd293c0d0e90b66c22a330d04cf9f5e248217ed807", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
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[INFO] [stderr]     Checking futures-io v0.3.31
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[INFO] [stderr]     Checking bincode v1.3.3
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[INFO] [stderr]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.9
[INFO] [stderr]     Checking essrpc v0.4.1
[INFO] [stderr]    Compiling toml_edit v0.22.25
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
[INFO] [stderr]     Checking env_logger v0.11.8
[INFO] [stderr]    Compiling idna_adapter v1.2.0
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling toml v0.8.21
[INFO] [stderr]    Compiling cargo-lock v10.1.0
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling duet v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `rand`
[INFO] [stdout]   --> src/rustsync.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | extern crate rand;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:477:33
[INFO] [stdout]     |
[INFO] [stdout] 477 | async fn launch_server(session: &Option<Session>, cmd: String) -> Result<Server> {
[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] 477 | async fn launch_server(session: &Option<Session>, cmd: String) -> Result<Server<'_>> {
[INFO] [stdout]     |                                                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `duet` (bin "duet" test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b1654ec42bd050b3c095e0fd293c0d0e90b66c22a330d04cf9f5e248217ed807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1654ec42bd050b3c095e0fd293c0d0e90b66c22a330d04cf9f5e248217ed807", kill_on_drop: false }`
[INFO] [stdout] b1654ec42bd050b3c095e0fd293c0d0e90b66c22a330d04cf9f5e248217ed807