[INFO] fetching crate libsw-core 0.3.2...
[INFO] testing libsw-core-0.3.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate libsw-core 0.3.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate libsw-core 0.3.2
[INFO] finished tweaking crates.io crate libsw-core 0.3.2
[INFO] tweaked toml for crates.io crate libsw-core 0.3.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libsw-core 0.3.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate libsw-core 0.3.2 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 932b95f395174f86a79a76f5cc5b2b733c6740167fb88d2e233afc58f8b78ef6
[INFO] running `Command { std: "docker" "start" "-a" "932b95f395174f86a79a76f5cc5b2b733c6740167fb88d2e233afc58f8b78ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "932b95f395174f86a79a76f5cc5b2b733c6740167fb88d2e233afc58f8b78ef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "932b95f395174f86a79a76f5cc5b2b733c6740167fb88d2e233afc58f8b78ef6", kill_on_drop: false }`
[INFO] [stdout] 932b95f395174f86a79a76f5cc5b2b733c6740167fb88d2e233afc58f8b78ef6
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f38fa629892e5734eb4395315a7129a733fb6e96d4e78043af53b51b11d0ff5
[INFO] running `Command { std: "docker" "start" "-a" "6f38fa629892e5734eb4395315a7129a733fb6e96d4e78043af53b51b11d0ff5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libsw-core v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "6f38fa629892e5734eb4395315a7129a733fb6e96d4e78043af53b51b11d0ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f38fa629892e5734eb4395315a7129a733fb6e96d4e78043af53b51b11d0ff5", kill_on_drop: false }`
[INFO] [stdout] 6f38fa629892e5734eb4395315a7129a733fb6e96d4e78043af53b51b11d0ff5
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f18d0e37267911e569bd46aa1e16b83035863590045ef704035ae5b73aaf2457
[INFO] running `Command { std: "docker" "start" "-a" "f18d0e37267911e569bd46aa1e16b83035863590045ef704035ae5b73aaf2457", kill_on_drop: false }`
[INFO] [stderr]    Compiling libsw-core v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: could not find `std` in the list of imported crates
[INFO] [stdout]   --> src/tests.rs:10:7
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ::std::collections::hash_map::DefaultHasher;
[INFO] [stdout]    |       ^^^ could not find `std` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std`
[INFO] [stdout]   --> src/tests.rs:11:7
[INFO] [stdout]    |
[INFO] [stdout] 11 | use ::std::thread;
[INFO] [stdout]    |       ^^^ could not find `std` in the list of imported crates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `dbg` in this scope
[INFO] [stdout]    --> src/tests.rs:402:9
[INFO] [stdout]     |
[INFO] [stdout] 402 |         dbg!(a, b, c);
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `dbg` in this scope
[INFO] [stdout]    --> src/tests.rs:564:9
[INFO] [stdout]     |
[INFO] [stdout] 564 |         dbg!(sw_1, sw_2, sw_3);
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `std`
[INFO] [stdout]   --> src/tests.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | type I = std::time::Instant;
[INFO] [stdout]    |          ^^^ use of unresolved module or unlinked crate `std`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `std`, use `cargo add std` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libsw-core` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "f18d0e37267911e569bd46aa1e16b83035863590045ef704035ae5b73aaf2457", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18d0e37267911e569bd46aa1e16b83035863590045ef704035ae5b73aaf2457", kill_on_drop: false }`
[INFO] [stdout] f18d0e37267911e569bd46aa1e16b83035863590045ef704035ae5b73aaf2457