[INFO] fetching crate ev3 0.3.0...
[INFO] checking ev3-0.3.0 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate ev3 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate ev3 0.3.0 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] removed /workspace/builds/worker-9/source/rust-toolchain
[INFO] started tweaking crates.io crate ev3 0.3.0
[INFO] finished tweaking crates.io crate ev3 0.3.0
[INFO] tweaked toml for crates.io crate ev3 0.3.0 written to /workspace/builds/worker-9/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 1314537f6c45102d60c18207e2c33b9934d96d54f71d4232f668fe67ecbeb164
[INFO] running `Command { std: "docker" "start" "-a" "1314537f6c45102d60c18207e2c33b9934d96d54f71d4232f668fe67ecbeb164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1314537f6c45102d60c18207e2c33b9934d96d54f71d4232f668fe67ecbeb164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1314537f6c45102d60c18207e2c33b9934d96d54f71d4232f668fe67ecbeb164", kill_on_drop: false }`
[INFO] [stdout] 1314537f6c45102d60c18207e2c33b9934d96d54f71d4232f668fe67ecbeb164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 0f3ca1a40d660969af7dcd3df2fa2ff44711085df4a5e70478de6f85960c8ed3
[INFO] running `Command { std: "docker" "start" "-a" "0f3ca1a40d660969af7dcd3df2fa2ff44711085df4a5e70478de6f85960c8ed3", kill_on_drop: false }`
[INFO] [stderr]     Checking ev3rt v0.3.0
[INFO] [stderr]     Checking ev3 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: duplicate lang item in crate `std` (which `test` depends on): `panic_impl`.
[INFO] [stdout]   |
[INFO] [stdout]   = note: the lang item is first defined in crate `ev3rt` (which `ev3` depends on)
[INFO] [stdout]   = note: first definition in `ev3rt` loaded from /opt/rustwide/target/debug/deps/libev3rt-96020d738c8fbedb.rmeta
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/0a8629bff642c3c3b84bb644c0099194f063b627/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-363511a59ca6fedb.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ev3`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0f3ca1a40d660969af7dcd3df2fa2ff44711085df4a5e70478de6f85960c8ed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f3ca1a40d660969af7dcd3df2fa2ff44711085df4a5e70478de6f85960c8ed3", kill_on_drop: false }`
[INFO] [stdout] 0f3ca1a40d660969af7dcd3df2fa2ff44711085df4a5e70478de6f85960c8ed3