[INFO] fetching crate libsw-core 0.3.2...
[INFO] testing libsw-core-0.3.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate libsw-core 0.3.2 into /workspace/builds/worker-4-tc1/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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libsw-core 0.3.2 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] 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.52.6
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 571341d4fcb89d089435adecc60965b100ba4a697c56fcc182de8f5b42c5a786
[INFO] running `Command { std: "docker" "start" "-a" "571341d4fcb89d089435adecc60965b100ba4a697c56fcc182de8f5b42c5a786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "571341d4fcb89d089435adecc60965b100ba4a697c56fcc182de8f5b42c5a786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571341d4fcb89d089435adecc60965b100ba4a697c56fcc182de8f5b42c5a786", kill_on_drop: false }`
[INFO] [stdout] 571341d4fcb89d089435adecc60965b100ba4a697c56fcc182de8f5b42c5a786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] aa8fe02f4d500b8bffef5062a3facff7b4bc1919edbe909f2e8816590d343634
[INFO] running `Command { std: "docker" "start" "-a" "aa8fe02f4d500b8bffef5062a3facff7b4bc1919edbe909f2e8816590d343634", 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 0.17s
[INFO] running `Command { std: "docker" "inspect" "aa8fe02f4d500b8bffef5062a3facff7b4bc1919edbe909f2e8816590d343634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa8fe02f4d500b8bffef5062a3facff7b4bc1919edbe909f2e8816590d343634", kill_on_drop: false }`
[INFO] [stdout] aa8fe02f4d500b8bffef5062a3facff7b4bc1919edbe909f2e8816590d343634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a10c3fe3a2bb78232b44f69a19c863ba2bbe489cfeafed62a0888e1134d5962e
[INFO] running `Command { std: "docker" "start" "-a" "a10c3fe3a2bb78232b44f69a19c863ba2bbe489cfeafed62a0888e1134d5962e", 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" "a10c3fe3a2bb78232b44f69a19c863ba2bbe489cfeafed62a0888e1134d5962e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10c3fe3a2bb78232b44f69a19c863ba2bbe489cfeafed62a0888e1134d5962e", kill_on_drop: false }`
[INFO] [stdout] a10c3fe3a2bb78232b44f69a19c863ba2bbe489cfeafed62a0888e1134d5962e