[INFO] fetching crate from_error_scope 0.0.1...
[INFO] testing from_error_scope-0.0.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate from_error_scope 0.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate from_error_scope 0.0.1
[INFO] finished tweaking crates.io crate from_error_scope 0.0.1
[INFO] tweaked toml for crates.io crate from_error_scope 0.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate from_error_scope 0.0.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e3c34720016ea03ba78830d2a3549bdbe3f7e0f153daa099945c14f4e005f94
[INFO] running `Command { std: "docker" "start" "-a" "8e3c34720016ea03ba78830d2a3549bdbe3f7e0f153daa099945c14f4e005f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e3c34720016ea03ba78830d2a3549bdbe3f7e0f153daa099945c14f4e005f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3c34720016ea03ba78830d2a3549bdbe3f7e0f153daa099945c14f4e005f94", kill_on_drop: false }`
[INFO] [stdout] 8e3c34720016ea03ba78830d2a3549bdbe3f7e0f153daa099945c14f4e005f94
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c9551a82a397881176cedefd0e84b114c71d2579c29988ed8befa3073e46ef0
[INFO] running `Command { std: "docker" "start" "-a" "9c9551a82a397881176cedefd0e84b114c71d2579c29988ed8befa3073e46ef0", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling from_error_scope v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "9c9551a82a397881176cedefd0e84b114c71d2579c29988ed8befa3073e46ef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c9551a82a397881176cedefd0e84b114c71d2579c29988ed8befa3073e46ef0", kill_on_drop: false }`
[INFO] [stdout] 9c9551a82a397881176cedefd0e84b114c71d2579c29988ed8befa3073e46ef0
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca8ee0515f18d03506c0d8ca6f1120d08e44c354a2b549b1e124e87aa130a6f
[INFO] running `Command { std: "docker" "start" "-a" "7ca8ee0515f18d03506c0d8ca6f1120d08e44c354a2b549b1e124e87aa130a6f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling from_error_scope v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::io::CharsError`
[INFO] [stdout]   --> examples/simple.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::io::CharsError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no `CharsError` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core` has been stable since 1.6.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> examples/simple.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(core, io)]
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `io`
[INFO] [stdout]   --> examples/simple.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(core, io)]
[INFO] [stdout]    |                  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `from_error_scope` (example "simple") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7ca8ee0515f18d03506c0d8ca6f1120d08e44c354a2b549b1e124e87aa130a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca8ee0515f18d03506c0d8ca6f1120d08e44c354a2b549b1e124e87aa130a6f", kill_on_drop: false }`
[INFO] [stdout] 7ca8ee0515f18d03506c0d8ca6f1120d08e44c354a2b549b1e124e87aa130a6f