[INFO] fetching crate btl 0.3.0...
[INFO] testing btl-0.3.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate btl 0.3.0 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate btl 0.3.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btl 0.3.0
[INFO] finished tweaking crates.io crate btl 0.3.0
[INFO] tweaked toml for crates.io crate btl 0.3.0 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fddedc0e43e03d3aa114da6ea154798b69c4bb08e5c079967ff5f55ea9c9dcc8
[INFO] running `Command { std: "docker" "start" "-a" "fddedc0e43e03d3aa114da6ea154798b69c4bb08e5c079967ff5f55ea9c9dcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fddedc0e43e03d3aa114da6ea154798b69c4bb08e5c079967ff5f55ea9c9dcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fddedc0e43e03d3aa114da6ea154798b69c4bb08e5c079967ff5f55ea9c9dcc8", kill_on_drop: false }`
[INFO] [stdout] fddedc0e43e03d3aa114da6ea154798b69c4bb08e5c079967ff5f55ea9c9dcc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e218af8c933ae0a8eabf19150fc3c9bee2b0ebecba0b5af319147cf3178d573
[INFO] running `Command { std: "docker" "start" "-a" "7e218af8c933ae0a8eabf19150fc3c9bee2b0ebecba0b5af319147cf3178d573", kill_on_drop: false }`
[INFO] [stderr]    Compiling btl v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "7e218af8c933ae0a8eabf19150fc3c9bee2b0ebecba0b5af319147cf3178d573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e218af8c933ae0a8eabf19150fc3c9bee2b0ebecba0b5af319147cf3178d573", kill_on_drop: false }`
[INFO] [stdout] 7e218af8c933ae0a8eabf19150fc3c9bee2b0ebecba0b5af319147cf3178d573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa31891022527c3ca319d3e2b1a51cb4fe2bd5aa08352097ba50bb3210fd2a04
[INFO] running `Command { std: "docker" "start" "-a" "fa31891022527c3ca319d3e2b1a51cb4fe2bd5aa08352097ba50bb3210fd2a04", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling btl v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.54s
[INFO] running `Command { std: "docker" "inspect" "fa31891022527c3ca319d3e2b1a51cb4fe2bd5aa08352097ba50bb3210fd2a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa31891022527c3ca319d3e2b1a51cb4fe2bd5aa08352097ba50bb3210fd2a04", kill_on_drop: false }`
[INFO] [stdout] fa31891022527c3ca319d3e2b1a51cb4fe2bd5aa08352097ba50bb3210fd2a04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 22ba53b23c31a82a48d1158c816726227d3a20e1d8b985a7fea1d2e57fd2dfe2
[INFO] running `Command { std: "docker" "start" "-a" "22ba53b23c31a82a48d1158c816726227d3a20e1d8b985a7fea1d2e57fd2dfe2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/btl-637baf45b63bd1f8)
[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]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-b5c8ed0a40b72011)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] touch: cannot touch 'm.txt': Read-only file system
[INFO] [stdout] test t ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests btl
[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" "22ba53b23c31a82a48d1158c816726227d3a20e1d8b985a7fea1d2e57fd2dfe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ba53b23c31a82a48d1158c816726227d3a20e1d8b985a7fea1d2e57fd2dfe2", kill_on_drop: false }`
[INFO] [stdout] 22ba53b23c31a82a48d1158c816726227d3a20e1d8b985a7fea1d2e57fd2dfe2
