[INFO] fetching crate r50 0.14.1...
[INFO] testing r50-0.14.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate r50 0.14.1 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate r50 0.14.1 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 r50 0.14.1
[INFO] finished tweaking crates.io crate r50 0.14.1
[INFO] tweaked toml for crates.io crate r50 0.14.1 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate crates.io crate r50 0.14.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded zeros v10.0.2
[INFO] [stderr]   Downloaded binn-ir v0.15.0
[INFO] [stderr]   Downloaded blackhole v0.18.0
[INFO] [stderr]   Downloaded libc v0.2.84
[INFO] [stderr]   Downloaded udsx v0.9.0
[INFO] [stderr]   Downloaded dia-args v0.54.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a41621274f59407273dbbe9551277facfc1fc97ca5b774bd0a2adb8f897a2223
[INFO] running `Command { std: "docker" "start" "-a" "a41621274f59407273dbbe9551277facfc1fc97ca5b774bd0a2adb8f897a2223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a41621274f59407273dbbe9551277facfc1fc97ca5b774bd0a2adb8f897a2223", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a41621274f59407273dbbe9551277facfc1fc97ca5b774bd0a2adb8f897a2223", kill_on_drop: false }`
[INFO] [stdout] a41621274f59407273dbbe9551277facfc1fc97ca5b774bd0a2adb8f897a2223
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cccfa822645d7626a1cd34d606153f930f7af201182be034e3e7944564ec54cc
[INFO] running `Command { std: "docker" "start" "-a" "cccfa822645d7626a1cd34d606153f930f7af201182be034e3e7944564ec54cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dia-args v0.54.0
[INFO] [stderr]    Compiling r50 v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "cccfa822645d7626a1cd34d606153f930f7af201182be034e3e7944564ec54cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccfa822645d7626a1cd34d606153f930f7af201182be034e3e7944564ec54cc", kill_on_drop: false }`
[INFO] [stdout] cccfa822645d7626a1cd34d606153f930f7af201182be034e3e7944564ec54cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a27e9713da570d31f12af77c2155d5c1dcc2812333c0cadf3ed4877771cc2d8b
[INFO] running `Command { std: "docker" "start" "-a" "a27e9713da570d31f12af77c2155d5c1dcc2812333c0cadf3ed4877771cc2d8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling udsx v0.9.0
[INFO] [stderr]    Compiling r50 v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "a27e9713da570d31f12af77c2155d5c1dcc2812333c0cadf3ed4877771cc2d8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a27e9713da570d31f12af77c2155d5c1dcc2812333c0cadf3ed4877771cc2d8b", kill_on_drop: false }`
[INFO] [stdout] a27e9713da570d31f12af77c2155d5c1dcc2812333c0cadf3ed4877771cc2d8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a78699b2744171af03f53cf4b4b658e3da939493ce8528e4d4cacba8a590b535
[INFO] running `Command { std: "docker" "start" "-a" "a78699b2744171af03f53cf4b4b658e3da939493ce8528e4d4cacba8a590b535", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/r50-235936dc714463cd)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]    Doc-tests r50
[INFO] [stdout] test test_crate_version ... ok
[INFO] [stdout] test tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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" "a78699b2744171af03f53cf4b4b658e3da939493ce8528e4d4cacba8a590b535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78699b2744171af03f53cf4b4b658e3da939493ce8528e4d4cacba8a590b535", kill_on_drop: false }`
[INFO] [stdout] a78699b2744171af03f53cf4b4b658e3da939493ce8528e4d4cacba8a590b535