[INFO] fetching crate supply-chain-trust-example-crate-000067 0.4.9...
[INFO] building supply-chain-trust-example-crate-000067-0.4.9 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate supply-chain-trust-example-crate-000067 0.4.9 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate supply-chain-trust-example-crate-000067 0.4.9
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate supply-chain-trust-example-crate-000067 0.4.9
[INFO] tweaked toml for crates.io crate supply-chain-trust-example-crate-000067 0.4.9 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate supply-chain-trust-example-crate-000067 0.4.9 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba8572a007115edebe724706d5b432c0408fda7c9840469652f9ba0b579cc75c
[INFO] running `Command { std: "docker" "start" "-a" "ba8572a007115edebe724706d5b432c0408fda7c9840469652f9ba0b579cc75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba8572a007115edebe724706d5b432c0408fda7c9840469652f9ba0b579cc75c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba8572a007115edebe724706d5b432c0408fda7c9840469652f9ba0b579cc75c", kill_on_drop: false }`
[INFO] [stdout] ba8572a007115edebe724706d5b432c0408fda7c9840469652f9ba0b579cc75c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 124e78e909942769e5bbcfc0d5c29e44eb259b57498b740b2f4c1b24af3317f9
[INFO] running `Command { std: "docker" "start" "-a" "124e78e909942769e5bbcfc0d5c29e44eb259b57498b740b2f4c1b24af3317f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling supply-chain-trust-example-crate-000067 v0.4.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "124e78e909942769e5bbcfc0d5c29e44eb259b57498b740b2f4c1b24af3317f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "124e78e909942769e5bbcfc0d5c29e44eb259b57498b740b2f4c1b24af3317f9", kill_on_drop: false }`
[INFO] [stdout] 124e78e909942769e5bbcfc0d5c29e44eb259b57498b740b2f4c1b24af3317f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afaf6526b1e5816e80de3562de218d1a24df4aaf76b9dc346388a6be16e24342
[INFO] running `Command { std: "docker" "start" "-a" "afaf6526b1e5816e80de3562de218d1a24df4aaf76b9dc346388a6be16e24342", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stderr]    Compiling supply-chain-trust-example-crate-000067 v0.4.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `slab`
[INFO] [stdout]  --> tests/slab.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use slab::*;
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `slab`
[INFO] [stdout]   |
[INFO] [stdout] help: to make use of source file tests/slab.rs, use `mod slab` in this file to declare the module
[INFO] [stdout]   |
[INFO] [stdout] 3 + mod slab;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> tests/slab.rs:636:37
[INFO] [stdout]     |
[INFO] [stdout] 636 |         Err(ref payload) if payload.downcast_ref() == Some(&"test") => {}
[INFO] [stdout]     |                                     ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `supply-chain-trust-example-crate-000067` (test "slab") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "afaf6526b1e5816e80de3562de218d1a24df4aaf76b9dc346388a6be16e24342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afaf6526b1e5816e80de3562de218d1a24df4aaf76b9dc346388a6be16e24342", kill_on_drop: false }`
[INFO] [stdout] afaf6526b1e5816e80de3562de218d1a24df4aaf76b9dc346388a6be16e24342