[INFO] fetching crate ev3 0.3.0...
[INFO] testing ev3-0.3.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate ev3 0.3.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate ev3 0.3.0 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] removed /workspace/builds/worker-91/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-91/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ev3rt v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] b2c0d419b991e028164776dfec1b42178c6d29094987439d8e3908eee1a2a4b9
[INFO] running `Command { std: "docker" "start" "-a" "b2c0d419b991e028164776dfec1b42178c6d29094987439d8e3908eee1a2a4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2c0d419b991e028164776dfec1b42178c6d29094987439d8e3908eee1a2a4b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c0d419b991e028164776dfec1b42178c6d29094987439d8e3908eee1a2a4b9", kill_on_drop: false }`
[INFO] [stdout] b2c0d419b991e028164776dfec1b42178c6d29094987439d8e3908eee1a2a4b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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] 1fb18fe8ca281531b73372698bc6f0b6e4bb17c38affc463e3c9b32619cec0e6
[INFO] running `Command { std: "docker" "start" "-a" "1fb18fe8ca281531b73372698bc6f0b6e4bb17c38affc463e3c9b32619cec0e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling ev3rt v0.3.0
[INFO] [stderr]    Compiling ev3 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "1fb18fe8ca281531b73372698bc6f0b6e4bb17c38affc463e3c9b32619cec0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb18fe8ca281531b73372698bc6f0b6e4bb17c38affc463e3c9b32619cec0e6", kill_on_drop: false }`
[INFO] [stdout] 1fb18fe8ca281531b73372698bc6f0b6e4bb17c38affc463e3c9b32619cec0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4b1095d78ad6d803a390de4d939cdb5061e9abe1f2aad0655ca3e0545cf162c
[INFO] running `Command { std: "docker" "start" "-a" "f4b1095d78ad6d803a390de4d939cdb5061e9abe1f2aad0655ca3e0545cf162c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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-b72af6cf4ea519ba.rlib
[INFO] [stdout]   = note: second definition in `std` loaded from /opt/rustwide/rustup-home/toolchains/8262275854dc0e5381c9d42d56257d94932c5a87/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7387d118fba15d64.so, /opt/rustwide/rustup-home/toolchains/8262275854dc0e5381c9d42d56257d94932c5a87/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7387d118fba15d64.rlib
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ev3` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f4b1095d78ad6d803a390de4d939cdb5061e9abe1f2aad0655ca3e0545cf162c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b1095d78ad6d803a390de4d939cdb5061e9abe1f2aad0655ca3e0545cf162c", kill_on_drop: false }`
[INFO] [stdout] f4b1095d78ad6d803a390de4d939cdb5061e9abe1f2aad0655ca3e0545cf162c