[INFO] fetching crate r50 0.18.6...
[INFO] testing r50-0.18.6 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate r50 0.18.6 into /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate r50 0.18.6 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nairud v0.11.0
[INFO] [stderr]   Downloaded dia-args v0.60.2
[INFO] [stderr]   Downloaded zeros v17.2.0
[INFO] [stderr]   Downloaded namaste v0.29.1
[INFO] [stderr]   Downloaded blackhole v0.20.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c8c32c9abc88a92785d9cf1556018e754deecfbd600a4a84ae2949695d0c7a1
[INFO] running `Command { std: "docker" "start" "-a" "6c8c32c9abc88a92785d9cf1556018e754deecfbd600a4a84ae2949695d0c7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c8c32c9abc88a92785d9cf1556018e754deecfbd600a4a84ae2949695d0c7a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c8c32c9abc88a92785d9cf1556018e754deecfbd600a4a84ae2949695d0c7a1", kill_on_drop: false }`
[INFO] [stdout] 6c8c32c9abc88a92785d9cf1556018e754deecfbd600a4a84ae2949695d0c7a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2740c0884c7ad68b59e72daaa15847e2ba0042731a6a02d4c2472d5bf3721799
[INFO] running `Command { std: "docker" "start" "-a" "2740c0884c7ad68b59e72daaa15847e2ba0042731a6a02d4c2472d5bf3721799", kill_on_drop: false }`
[INFO] [stderr]    Compiling r50 v0.18.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "2740c0884c7ad68b59e72daaa15847e2ba0042731a6a02d4c2472d5bf3721799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2740c0884c7ad68b59e72daaa15847e2ba0042731a6a02d4c2472d5bf3721799", kill_on_drop: false }`
[INFO] [stdout] 2740c0884c7ad68b59e72daaa15847e2ba0042731a6a02d4c2472d5bf3721799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c284e6b5caa34085e25c968efd14ff778e7c01695bb610e5fdd7ac28c0992ed
[INFO] running `Command { std: "docker" "start" "-a" "0c284e6b5caa34085e25c968efd14ff778e7c01695bb610e5fdd7ac28c0992ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling r50 v0.18.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "0c284e6b5caa34085e25c968efd14ff778e7c01695bb610e5fdd7ac28c0992ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c284e6b5caa34085e25c968efd14ff778e7c01695bb610e5fdd7ac28c0992ed", kill_on_drop: false }`
[INFO] [stdout] 0c284e6b5caa34085e25c968efd14ff778e7c01695bb610e5fdd7ac28c0992ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a43d697872fa52d53bf9e14958409e3912677fca0191401972b86fcb54a8593
[INFO] running `Command { std: "docker" "start" "-a" "3a43d697872fa52d53bf9e14958409e3912677fca0191401972b86fcb54a8593", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[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" "3a43d697872fa52d53bf9e14958409e3912677fca0191401972b86fcb54a8593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a43d697872fa52d53bf9e14958409e3912677fca0191401972b86fcb54a8593", kill_on_drop: false }`
[INFO] [stdout] 3a43d697872fa52d53bf9e14958409e3912677fca0191401972b86fcb54a8593