[INFO] fetching crate bincode_core 0.6.0...
[INFO] testing bincode_core-0.6.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate bincode_core 0.6.0 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate bincode_core 0.6.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bincode_core 0.6.0
[INFO] finished tweaking crates.io crate bincode_core 0.6.0
[INFO] tweaked toml for crates.io crate bincode_core 0.6.0 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.10.8
[INFO] [stderr]   Downloaded serde_codegen_internals v0.11.3
[INFO] [stderr]   Downloaded byteorder_core_io v0.5.3
[INFO] [stderr]   Downloaded core_io v0.1.20210325
[INFO] [stderr]   Downloaded serde_codegen v0.8.23
[INFO] [stderr]   Downloaded serde_derive v0.8.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 399374fb097860768629b3504967a1c81ec06e986f98d4563c58a7edb52f7668
[INFO] running `Command { std: "docker" "start" "-a" "399374fb097860768629b3504967a1c81ec06e986f98d4563c58a7edb52f7668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "399374fb097860768629b3504967a1c81ec06e986f98d4563c58a7edb52f7668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399374fb097860768629b3504967a1c81ec06e986f98d4563c58a7edb52f7668", kill_on_drop: false }`
[INFO] [stdout] 399374fb097860768629b3504967a1c81ec06e986f98d4563c58a7edb52f7668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30254fdbe768049b53aa60704b1bda9d3c882698d6786f63ff6bc8a0b44f5b97
[INFO] running `Command { std: "docker" "start" "-a" "30254fdbe768049b53aa60704b1bda9d3c882698d6786f63ff6bc8a0b44f5b97", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stdout] error[E0463]: can't find crate for `collections`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-0.8.23/src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | extern crate collections;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "30254fdbe768049b53aa60704b1bda9d3c882698d6786f63ff6bc8a0b44f5b97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30254fdbe768049b53aa60704b1bda9d3c882698d6786f63ff6bc8a0b44f5b97", kill_on_drop: false }`
[INFO] [stdout] 30254fdbe768049b53aa60704b1bda9d3c882698d6786f63ff6bc8a0b44f5b97