[INFO] fetching crate art_lib 0.1.2...
[INFO] testing art_lib-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate art_lib 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate art_lib 0.1.2 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 art_lib 0.1.2
[INFO] finished tweaking crates.io crate art_lib 0.1.2
[INFO] tweaked toml for crates.io crate art_lib 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate art_lib 0.1.2 already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 243053bc7d222dd335fd4fc80f4ea22f9730a8b700939af6c32e78bf3f61f738
[INFO] running `Command { std: "docker" "start" "-a" "243053bc7d222dd335fd4fc80f4ea22f9730a8b700939af6c32e78bf3f61f738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "243053bc7d222dd335fd4fc80f4ea22f9730a8b700939af6c32e78bf3f61f738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "243053bc7d222dd335fd4fc80f4ea22f9730a8b700939af6c32e78bf3f61f738", kill_on_drop: false }`
[INFO] [stdout] 243053bc7d222dd335fd4fc80f4ea22f9730a8b700939af6c32e78bf3f61f738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 340ffaaa1fed577b6531c7022766a7002a417b5b5bd14e185d136b98ea1f9163
[INFO] running `Command { std: "docker" "start" "-a" "340ffaaa1fed577b6531c7022766a7002a417b5b5bd14e185d136b98ea1f9163", kill_on_drop: false }`
[INFO] [stderr]    Compiling art_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "340ffaaa1fed577b6531c7022766a7002a417b5b5bd14e185d136b98ea1f9163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "340ffaaa1fed577b6531c7022766a7002a417b5b5bd14e185d136b98ea1f9163", kill_on_drop: false }`
[INFO] [stdout] 340ffaaa1fed577b6531c7022766a7002a417b5b5bd14e185d136b98ea1f9163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 4bed673e3ad18db5a66c511569a484ff70d358e9854db76c14707efbc18b49b3
[INFO] running `Command { std: "docker" "start" "-a" "4bed673e3ad18db5a66c511569a484ff70d358e9854db76c14707efbc18b49b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling art_lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "4bed673e3ad18db5a66c511569a484ff70d358e9854db76c14707efbc18b49b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bed673e3ad18db5a66c511569a484ff70d358e9854db76c14707efbc18b49b3", kill_on_drop: false }`
[INFO] [stdout] 4bed673e3ad18db5a66c511569a484ff70d358e9854db76c14707efbc18b49b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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", kill_on_drop: false }`
[INFO] [stdout] 12a3b1bde41f122b0b391915a5528f9121e3eb4c3e90ac89daa09578eb005d8d
[INFO] running `Command { std: "docker" "start" "-a" "12a3b1bde41f122b0b391915a5528f9121e3eb4c3e90ac89daa09578eb005d8d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/art_lib-778cc7875e8c6474)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/art_lib-b8f1e990b6313ace)
[INFO] [stdout] test test::test_blue_blue - should panic ... ok
[INFO] [stdout] test test::test_red_red - should panic ... ok
[INFO] [stdout] test test::test_yellow_yellow - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests art_lib
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - utils::mix (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "12a3b1bde41f122b0b391915a5528f9121e3eb4c3e90ac89daa09578eb005d8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12a3b1bde41f122b0b391915a5528f9121e3eb4c3e90ac89daa09578eb005d8d", kill_on_drop: false }`
[INFO] [stdout] 12a3b1bde41f122b0b391915a5528f9121e3eb4c3e90ac89daa09578eb005d8d