[INFO] fetching crate duet 0.3.0...
[INFO] testing duet-0.3.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate duet 0.3.0 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate duet 0.3.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b079d3adb01b8ac80186c0e8ada9cefa2bbe065322992a087a272a59feccd2b5
[INFO] running `Command { std: "docker" "start" "-a" "b079d3adb01b8ac80186c0e8ada9cefa2bbe065322992a087a272a59feccd2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b079d3adb01b8ac80186c0e8ada9cefa2bbe065322992a087a272a59feccd2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b079d3adb01b8ac80186c0e8ada9cefa2bbe065322992a087a272a59feccd2b5", kill_on_drop: false }`
[INFO] [stdout] b079d3adb01b8ac80186c0e8ada9cefa2bbe065322992a087a272a59feccd2b5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74814b5b69500ff01dced5e1d75a3a539bfc0ef85b41ab123ee61ab866ac60e0
[INFO] running `Command { std: "docker" "start" "-a" "74814b5b69500ff01dced5e1d75a3a539bfc0ef85b41ab123ee61ab866ac60e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
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[INFO] [stderr]    Compiling idna v1.0.3
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[INFO] [stderr]    Compiling serde_spanned v0.6.8
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[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling bincode v2.0.1
[INFO] [stderr]    Compiling toml_edit v0.22.25
[INFO] [stderr]    Compiling tokio-util v0.6.10
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[INFO] [stderr]    Compiling essrpc v0.4.1
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[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] 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.54s
[INFO] running `Command { std: "docker" "inspect" "74814b5b69500ff01dced5e1d75a3a539bfc0ef85b41ab123ee61ab866ac60e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74814b5b69500ff01dced5e1d75a3a539bfc0ef85b41ab123ee61ab866ac60e0", kill_on_drop: false }`
[INFO] [stdout] 74814b5b69500ff01dced5e1d75a3a539bfc0ef85b41ab123ee61ab866ac60e0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b77a8eac8e9bf15a24eaa43fbebb2babc6fb5786276826912a5909f47ecd6c57
[INFO] running `Command { std: "docker" "start" "-a" "b77a8eac8e9bf15a24eaa43fbebb2babc6fb5786276826912a5909f47ecd6c57", kill_on_drop: false }`
[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] 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] running `Command { std: "docker" "inspect" "b77a8eac8e9bf15a24eaa43fbebb2babc6fb5786276826912a5909f47ecd6c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77a8eac8e9bf15a24eaa43fbebb2babc6fb5786276826912a5909f47ecd6c57", kill_on_drop: false }`
[INFO] [stdout] b77a8eac8e9bf15a24eaa43fbebb2babc6fb5786276826912a5909f47ecd6c57
