[INFO] fetching crate l2r0-profiler-guest 0.20.1...
[INFO] testing l2r0-profiler-guest-0.20.1 against 1.90.0 for beta-1.91-3
[INFO] extracting crate l2r0-profiler-guest 0.20.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate l2r0-profiler-guest 0.20.1
[INFO] finished tweaking crates.io crate l2r0-profiler-guest 0.20.1
[INFO] tweaked toml for crates.io crate l2r0-profiler-guest 0.20.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate l2r0-profiler-guest 0.20.1 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15d3cb26ec82dbf2969081f5525b53c82eaf129249251a750bb9e438c402e45f
[INFO] running `Command { std: "docker" "start" "-a" "15d3cb26ec82dbf2969081f5525b53c82eaf129249251a750bb9e438c402e45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15d3cb26ec82dbf2969081f5525b53c82eaf129249251a750bb9e438c402e45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d3cb26ec82dbf2969081f5525b53c82eaf129249251a750bb9e438c402e45f", kill_on_drop: false }`
[INFO] [stdout] 15d3cb26ec82dbf2969081f5525b53c82eaf129249251a750bb9e438c402e45f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dff3d95e6d14fb0967b50f0c449224ce9c05e3ea81d803a4f01d23f444a687a4
[INFO] running `Command { std: "docker" "start" "-a" "dff3d95e6d14fb0967b50f0c449224ce9c05e3ea81d803a4f01d23f444a687a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling l2r0-profiler-guest v0.20.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "dff3d95e6d14fb0967b50f0c449224ce9c05e3ea81d803a4f01d23f444a687a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dff3d95e6d14fb0967b50f0c449224ce9c05e3ea81d803a4f01d23f444a687a4", kill_on_drop: false }`
[INFO] [stdout] dff3d95e6d14fb0967b50f0c449224ce9c05e3ea81d803a4f01d23f444a687a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cd8c94bdcb4ccd99c86755e725d187c41aa285a808cc4dd71fd36766fac1722
[INFO] running `Command { std: "docker" "start" "-a" "8cd8c94bdcb4ccd99c86755e725d187c41aa285a808cc4dd71fd36766fac1722", kill_on_drop: false }`
[INFO] [stderr]    Compiling l2r0-profiler-guest v0.20.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "8cd8c94bdcb4ccd99c86755e725d187c41aa285a808cc4dd71fd36766fac1722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd8c94bdcb4ccd99c86755e725d187c41aa285a808cc4dd71fd36766fac1722", kill_on_drop: false }`
[INFO] [stdout] 8cd8c94bdcb4ccd99c86755e725d187c41aa285a808cc4dd71fd36766fac1722
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b8ad06764868560a68026c87daad5245f09198a2652fd197b2a7fe126f9dae47
[INFO] running `Command { std: "docker" "start" "-a" "b8ad06764868560a68026c87daad5245f09198a2652fd197b2a7fe126f9dae47", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/l2r0_profiler_guest-70b63ce49ff9432d)
[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] [stderr]    Doc-tests l2r0_profiler_guest
[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" "b8ad06764868560a68026c87daad5245f09198a2652fd197b2a7fe126f9dae47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ad06764868560a68026c87daad5245f09198a2652fd197b2a7fe126f9dae47", kill_on_drop: false }`
[INFO] [stdout] b8ad06764868560a68026c87daad5245f09198a2652fd197b2a7fe126f9dae47