[INFO] fetching crate tokio-serde-json-mirror 0.1.0...
[INFO] checking tokio-serde-json-mirror-0.1.0 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate tokio-serde-json-mirror 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tokio-serde-json-mirror 0.1.0 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-serde-json-mirror 0.1.0
[INFO] finished tweaking crates.io crate tokio-serde-json-mirror 0.1.0
[INFO] tweaked toml for crates.io crate tokio-serde-json-mirror 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c85b0c3e9e0c099a99e510a54c8097495e565d9e42bd8adeb17797e3ced125c
[INFO] running `Command { std: "docker" "start" "-a" "6c85b0c3e9e0c099a99e510a54c8097495e565d9e42bd8adeb17797e3ced125c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c85b0c3e9e0c099a99e510a54c8097495e565d9e42bd8adeb17797e3ced125c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c85b0c3e9e0c099a99e510a54c8097495e565d9e42bd8adeb17797e3ced125c", kill_on_drop: false }`
[INFO] [stdout] 6c85b0c3e9e0c099a99e510a54c8097495e565d9e42bd8adeb17797e3ced125c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3029c702a1665902b5273ef77519c46b03083a3bc02be5dcd44366e7fda0eb46
[INFO] running `Command { std: "docker" "start" "-a" "3029c702a1665902b5273ef77519c46b03083a3bc02be5dcd44366e7fda0eb46", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking tokio-serde v0.2.0
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking tokio-serde-json-mirror v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `tokio_serde_json`
[INFO] [stdout]  --> examples/client.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate tokio_serde_json;
[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 `tokio-serde-json-mirror`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `tokio_serde_json`
[INFO] [stdout]  --> examples/server.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate tokio_serde_json;
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "3029c702a1665902b5273ef77519c46b03083a3bc02be5dcd44366e7fda0eb46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3029c702a1665902b5273ef77519c46b03083a3bc02be5dcd44366e7fda0eb46", kill_on_drop: false }`
[INFO] [stdout] 3029c702a1665902b5273ef77519c46b03083a3bc02be5dcd44366e7fda0eb46