[INFO] fetching crate r50 0.18.6...
[INFO] testing r50-0.18.6 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate r50 0.18.6 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate r50 0.18.6
[INFO] finished tweaking crates.io crate r50 0.18.6
[INFO] tweaked toml for crates.io crate r50 0.18.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate r50 0.18.6 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate r50 0.18.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blackhole v0.20.2
[INFO] [stderr]   Downloaded dia-args v0.60.2
[INFO] [stderr]   Downloaded nairud v0.11.0
[INFO] [stderr]   Downloaded namaste v0.29.1
[INFO] [stderr]   Downloaded zeros v17.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60bbf9d90c33e4491fe0c96e9b51587f6078831a7a1acc2567fed33b505494f8
[INFO] running `Command { std: "docker" "start" "-a" "60bbf9d90c33e4491fe0c96e9b51587f6078831a7a1acc2567fed33b505494f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60bbf9d90c33e4491fe0c96e9b51587f6078831a7a1acc2567fed33b505494f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60bbf9d90c33e4491fe0c96e9b51587f6078831a7a1acc2567fed33b505494f8", kill_on_drop: false }`
[INFO] [stdout] 60bbf9d90c33e4491fe0c96e9b51587f6078831a7a1acc2567fed33b505494f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12f0fb192790e89d66b8dc01e45d0eb1e4a120c9439ccbffae15bc1bf3a706bb
[INFO] running `Command { std: "docker" "start" "-a" "12f0fb192790e89d66b8dc01e45d0eb1e4a120c9439ccbffae15bc1bf3a706bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling r50 v0.18.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "12f0fb192790e89d66b8dc01e45d0eb1e4a120c9439ccbffae15bc1bf3a706bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12f0fb192790e89d66b8dc01e45d0eb1e4a120c9439ccbffae15bc1bf3a706bb", kill_on_drop: false }`
[INFO] [stdout] 12f0fb192790e89d66b8dc01e45d0eb1e4a120c9439ccbffae15bc1bf3a706bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef4b828360ad6831cdffbc767ca4608165866fe9d9526cbe084b599c3a56ba2
[INFO] running `Command { std: "docker" "start" "-a" "1ef4b828360ad6831cdffbc767ca4608165866fe9d9526cbe084b599c3a56ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling r50 v0.18.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "1ef4b828360ad6831cdffbc767ca4608165866fe9d9526cbe084b599c3a56ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef4b828360ad6831cdffbc767ca4608165866fe9d9526cbe084b599c3a56ba2", kill_on_drop: false }`
[INFO] [stdout] 1ef4b828360ad6831cdffbc767ca4608165866fe9d9526cbe084b599c3a56ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 774c44f9fb750d89f35950184d1b588b91d9b1169b3f21e6f99f2ab6d327552d
[INFO] running `Command { std: "docker" "start" "-a" "774c44f9fb750d89f35950184d1b588b91d9b1169b3f21e6f99f2ab6d327552d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/r50-b5dc6261bf164bf7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests r50
[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] running `Command { std: "docker" "inspect" "774c44f9fb750d89f35950184d1b588b91d9b1169b3f21e6f99f2ab6d327552d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "774c44f9fb750d89f35950184d1b588b91d9b1169b3f21e6f99f2ab6d327552d", kill_on_drop: false }`
[INFO] [stdout] 774c44f9fb750d89f35950184d1b588b91d9b1169b3f21e6f99f2ab6d327552d