[INFO] fetching crate tmux_chooser 0.5.0...
[INFO] testing tmux_chooser-0.5.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tmux_chooser 0.5.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate tmux_chooser 0.5.0
[INFO] finished tweaking crates.io crate tmux_chooser 0.5.0
[INFO] tweaked toml for crates.io crate tmux_chooser 0.5.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tmux_chooser 0.5.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tmux_chooser 0.5.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctrlc v3.1.6
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded nix v0.17.0
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded tmux_interface v0.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d7780812a0cab03c31a29d73d3e0e7cf3d1759bb4b9a9e3e432c71be07b95ff
[INFO] running `Command { std: "docker" "start" "-a" "0d7780812a0cab03c31a29d73d3e0e7cf3d1759bb4b9a9e3e432c71be07b95ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d7780812a0cab03c31a29d73d3e0e7cf3d1759bb4b9a9e3e432c71be07b95ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d7780812a0cab03c31a29d73d3e0e7cf3d1759bb4b9a9e3e432c71be07b95ff", kill_on_drop: false }`
[INFO] [stdout] 0d7780812a0cab03c31a29d73d3e0e7cf3d1759bb4b9a9e3e432c71be07b95ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 970eb9dd52370dbfbaea77d730f8fa79a5c018af975d0a4963dbcecf3237f8d8
[INFO] running `Command { std: "docker" "start" "-a" "970eb9dd52370dbfbaea77d730f8fa79a5c018af975d0a4963dbcecf3237f8d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling tmux_interface v0.0.6
[INFO] [stderr]    Compiling ctrlc v3.1.6
[INFO] [stderr]    Compiling tmux_chooser v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AttachSession`
[INFO] [stdout]  --> src/main.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tmux_interface::{AttachSession, NewSession, Sessions, TmuxInterface};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "970eb9dd52370dbfbaea77d730f8fa79a5c018af975d0a4963dbcecf3237f8d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "970eb9dd52370dbfbaea77d730f8fa79a5c018af975d0a4963dbcecf3237f8d8", kill_on_drop: false }`
[INFO] [stdout] 970eb9dd52370dbfbaea77d730f8fa79a5c018af975d0a4963dbcecf3237f8d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29f07361f872df48797ade12d639cc65e6903c82ed3fc191222007b07bd9874e
[INFO] running `Command { std: "docker" "start" "-a" "29f07361f872df48797ade12d639cc65e6903c82ed3fc191222007b07bd9874e", kill_on_drop: false }`
[INFO] [stderr]    Compiling tmux_chooser v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AttachSession`
[INFO] [stdout]  --> src/main.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tmux_interface::{AttachSession, NewSession, Sessions, TmuxInterface};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "29f07361f872df48797ade12d639cc65e6903c82ed3fc191222007b07bd9874e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f07361f872df48797ade12d639cc65e6903c82ed3fc191222007b07bd9874e", kill_on_drop: false }`
[INFO] [stdout] 29f07361f872df48797ade12d639cc65e6903c82ed3fc191222007b07bd9874e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fbfbd053f3ba6b1c5a640da9fe592dcb9d1ea36760465fdd3ea7025f642cfa8f
[INFO] running `Command { std: "docker" "start" "-a" "fbfbd053f3ba6b1c5a640da9fe592dcb9d1ea36760465fdd3ea7025f642cfa8f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `AttachSession`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:3:22
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 | use tmux_interface::{AttachSession, NewSession, Sessions, TmuxInterface};
[INFO] [stdout] 
[INFO] [stderr]   |                      ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tmux_chooser` (bin "tmux_chooser" test) generated 1 warning (run `cargo fix --bin "tmux_chooser" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tmux_chooser-43be4e2c8e41eb3a)
[INFO] running `Command { std: "docker" "inspect" "fbfbd053f3ba6b1c5a640da9fe592dcb9d1ea36760465fdd3ea7025f642cfa8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfbd053f3ba6b1c5a640da9fe592dcb9d1ea36760465fdd3ea7025f642cfa8f", kill_on_drop: false }`
[INFO] [stdout] fbfbd053f3ba6b1c5a640da9fe592dcb9d1ea36760465fdd3ea7025f642cfa8f