[INFO] fetching crate develop_debug 0.6.1...
[INFO] testing develop_debug-0.6.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate develop_debug 0.6.1 into /workspace/builds/worker-20/source
[INFO] validating manifest of crates.io crate develop_debug 0.6.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate develop_debug 0.6.1
[INFO] finished tweaking crates.io crate develop_debug 0.6.1
[INFO] tweaked toml for crates.io crate develop_debug 0.6.1 written to /workspace/builds/worker-20/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 501dea3fa2b5be5caf0b834b3fa967a19467e1578f4f676d9611fd27f2774496
[INFO] running `Command { std: "docker" "start" "-a" "501dea3fa2b5be5caf0b834b3fa967a19467e1578f4f676d9611fd27f2774496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "501dea3fa2b5be5caf0b834b3fa967a19467e1578f4f676d9611fd27f2774496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "501dea3fa2b5be5caf0b834b3fa967a19467e1578f4f676d9611fd27f2774496", kill_on_drop: false }`
[INFO] [stdout] 501dea3fa2b5be5caf0b834b3fa967a19467e1578f4f676d9611fd27f2774496
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c802b9e26d8ff398d8a34f24d395228038991591f8fd9ce84fa40ac5a49628c0
[INFO] running `Command { std: "docker" "start" "-a" "c802b9e26d8ff398d8a34f24d395228038991591f8fd9ce84fa40ac5a49628c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling develop_debug v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: Failed to write './README.md'. Read-only file system (os error 30)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `Command { std: "docker" "inspect" "c802b9e26d8ff398d8a34f24d395228038991591f8fd9ce84fa40ac5a49628c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c802b9e26d8ff398d8a34f24d395228038991591f8fd9ce84fa40ac5a49628c0", kill_on_drop: false }`
[INFO] [stdout] c802b9e26d8ff398d8a34f24d395228038991591f8fd9ce84fa40ac5a49628c0
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86c0bb513bc9258d7a9c39d528dd95ed8ff45df86dd8ff3afa24721af95d9535
[INFO] running `Command { std: "docker" "start" "-a" "86c0bb513bc9258d7a9c39d528dd95ed8ff45df86dd8ff3afa24721af95d9535", kill_on_drop: false }`
[INFO] [stderr]    Compiling develop_debug v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: Failed to write './README.md'. Read-only file system (os error 30)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "86c0bb513bc9258d7a9c39d528dd95ed8ff45df86dd8ff3afa24721af95d9535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86c0bb513bc9258d7a9c39d528dd95ed8ff45df86dd8ff3afa24721af95d9535", kill_on_drop: false }`
[INFO] [stdout] 86c0bb513bc9258d7a9c39d528dd95ed8ff45df86dd8ff3afa24721af95d9535
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c463170e60d771b77bc5f95f3512444f7d47682760c051bc9fa891b67a14f9b0
[INFO] running `Command { std: "docker" "start" "-a" "c463170e60d771b77bc5f95f3512444f7d47682760c051bc9fa891b67a14f9b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling develop_debug v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: Failed to write './README.md'. Read-only file system (os error 30)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.76s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/develop_debug-6364846ffe5c1955)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/how_to_use.rs (/opt/rustwide/target/debug/deps/how_to_use-7bb5f6611aede874)
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_develop_debug_shortcut ... ok
[INFO] [stdout] test test_develop_debug ... ok
[INFO] [stdout] test test_output_range_control ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests develop_debug
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - dd____show (line 142) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c463170e60d771b77bc5f95f3512444f7d47682760c051bc9fa891b67a14f9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c463170e60d771b77bc5f95f3512444f7d47682760c051bc9fa891b67a14f9b0", kill_on_drop: false }`
[INFO] [stdout] c463170e60d771b77bc5f95f3512444f7d47682760c051bc9fa891b67a14f9b0