[INFO] fetching crate credent_cli_model 0.4.1...
[INFO] testing credent_cli_model-0.4.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate credent_cli_model 0.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate credent_cli_model 0.4.1
[INFO] finished tweaking crates.io crate credent_cli_model 0.4.1
[INFO] tweaked toml for crates.io crate credent_cli_model 0.4.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate credent_cli_model 0.4.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 79 packages to latest compatible versions
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded waker-fn v1.2.0
[INFO] [stderr]   Downloaded instant v0.1.13
[INFO] [stderr]   Downloaded futures-lite v1.13.0
[INFO] [stderr]   Downloaded cfg-if v1.0.4
[INFO] [stderr]   Downloaded parking v2.2.1
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[INFO] [stderr]   Downloaded hermit-abi v0.5.2
[INFO] [stderr]   Downloaded io-lifetimes v1.0.11
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[INFO] [stderr]   Downloaded memchr v2.7.6
[INFO] [stderr]   Downloaded polling v2.8.0
[INFO] [stderr]   Downloaded async-io v1.13.0
[INFO] [stderr]   Downloaded async-lock v2.8.0
[INFO] [stderr]   Downloaded async-signal v0.2.13
[INFO] [stderr]   Downloaded async-task v4.7.1
[INFO] [stderr]   Downloaded futures-lite v2.6.1
[INFO] [stderr]   Downloaded log v0.4.28
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[INFO] [stderr]   Downloaded errno v0.3.14
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.21
[INFO] [stderr]   Downloaded event-listener-strategy v0.5.4
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[INFO] [stderr]   Downloaded atomic-waker v1.1.2
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[INFO] [stderr]   Downloaded async-lock v3.4.1
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[INFO] [stderr]   Downloaded signal-hook-registry v1.4.6
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[INFO] [stderr]   Downloaded tokio v1.48.0
[INFO] [stderr]   Downloaded smol v1.3.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2a7e4b1d7e606889e5fa7db14c9069344af57736903e9e60bb0eab7bdac6880
[INFO] running `Command { std: "docker" "start" "-a" "c2a7e4b1d7e606889e5fa7db14c9069344af57736903e9e60bb0eab7bdac6880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2a7e4b1d7e606889e5fa7db14c9069344af57736903e9e60bb0eab7bdac6880", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a7e4b1d7e606889e5fa7db14c9069344af57736903e9e60bb0eab7bdac6880", kill_on_drop: false }`
[INFO] [stdout] c2a7e4b1d7e606889e5fa7db14c9069344af57736903e9e60bb0eab7bdac6880
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e7fb6af58bd45ac28fc070eab62a21496fd0b6a3f00e9d078dfdfa5db7b23cc
[INFO] running `Command { std: "docker" "start" "-a" "0e7fb6af58bd45ac28fc070eab62a21496fd0b6a3f00e9d078dfdfa5db7b23cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling credent_cli_model v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: `credent` needs either the "backend-smol" or "backend-tokio" feature to be enabled.
[INFO] [stdout]   --> src/error.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / compile_error!(
[INFO] [stdout] 11 | |     r#"`credent` needs either the "backend-smol" or "backend-tokio" feature to be enabled."#
[INFO] [stdout] 12 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `IoError` in this scope
[INFO] [stdout]   --> src/error.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |         error: IoError,
[INFO] [stdout]    |                ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `IoError` in this scope
[INFO] [stdout]   --> src/error.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |     StdErrFlush(IoError),
[INFO] [stdout]    |                 ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `credent_cli_model` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "0e7fb6af58bd45ac28fc070eab62a21496fd0b6a3f00e9d078dfdfa5db7b23cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7fb6af58bd45ac28fc070eab62a21496fd0b6a3f00e9d078dfdfa5db7b23cc", kill_on_drop: false }`
[INFO] [stdout] 0e7fb6af58bd45ac28fc070eab62a21496fd0b6a3f00e9d078dfdfa5db7b23cc