[INFO] fetching crate thread-group 1.0.0...
[INFO] testing thread-group-1.0.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate thread-group 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate thread-group 1.0.0
[INFO] finished tweaking crates.io crate thread-group 1.0.0
[INFO] tweaked toml for crates.io crate thread-group 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate thread-group 1.0.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate thread-group 1.0.0 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 454493b68eb68d1f24e64525930c473c5a842973a6ef2d989373893ccbd2f5bf
[INFO] running `Command { std: "docker" "start" "-a" "454493b68eb68d1f24e64525930c473c5a842973a6ef2d989373893ccbd2f5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "454493b68eb68d1f24e64525930c473c5a842973a6ef2d989373893ccbd2f5bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454493b68eb68d1f24e64525930c473c5a842973a6ef2d989373893ccbd2f5bf", kill_on_drop: false }`
[INFO] [stdout] 454493b68eb68d1f24e64525930c473c5a842973a6ef2d989373893ccbd2f5bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 030dbd1969df2ea0ff4d3ab8f1e4a0d30425fe305b389a7f7f2589c035cb596a
[INFO] running `Command { std: "docker" "start" "-a" "030dbd1969df2ea0ff4d3ab8f1e4a0d30425fe305b389a7f7f2589c035cb596a", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread-group v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `ScopedJoinHandle` in this scope
[INFO] [stdout]    --> src/thread_group.rs:244:35
[INFO] [stdout]     |
[INFO] [stdout] 244 |         impl<T> JoinHandleExt for ScopedJoinHandle<'_, T> {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::thread_group::thread::ScopedJoinHandle;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::thread::ScopedJoinHandle;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thread-group` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "030dbd1969df2ea0ff4d3ab8f1e4a0d30425fe305b389a7f7f2589c035cb596a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "030dbd1969df2ea0ff4d3ab8f1e4a0d30425fe305b389a7f7f2589c035cb596a", kill_on_drop: false }`
[INFO] [stdout] 030dbd1969df2ea0ff4d3ab8f1e4a0d30425fe305b389a7f7f2589c035cb596a