[INFO] fetching crate jlog 0.1.5...
[INFO] testing jlog-0.1.5 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate jlog 0.1.5 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate jlog 0.1.5 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 jlog 0.1.5
[INFO] finished tweaking crates.io crate jlog 0.1.5
[INFO] tweaked toml for crates.io crate jlog 0.1.5 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate crates.io crate jlog 0.1.5 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 6ddb9e5c994f45a66fac3f469cc9475d5817c101a78decf60b84457a10f53069
[INFO] running `Command { std: "docker" "start" "-a" "6ddb9e5c994f45a66fac3f469cc9475d5817c101a78decf60b84457a10f53069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ddb9e5c994f45a66fac3f469cc9475d5817c101a78decf60b84457a10f53069", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ddb9e5c994f45a66fac3f469cc9475d5817c101a78decf60b84457a10f53069", kill_on_drop: false }`
[INFO] [stdout] 6ddb9e5c994f45a66fac3f469cc9475d5817c101a78decf60b84457a10f53069
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] a87ef7a2158c4d574524b64ddb163ceb9fc69aace5cfc2beffbad5a36b051a15
[INFO] running `Command { std: "docker" "start" "-a" "a87ef7a2158c4d574524b64ddb163ceb9fc69aace5cfc2beffbad5a36b051a15", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling signal-hook v0.1.15
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling jlog v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `Command { std: "docker" "inspect" "a87ef7a2158c4d574524b64ddb163ceb9fc69aace5cfc2beffbad5a36b051a15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a87ef7a2158c4d574524b64ddb163ceb9fc69aace5cfc2beffbad5a36b051a15", kill_on_drop: false }`
[INFO] [stdout] a87ef7a2158c4d574524b64ddb163ceb9fc69aace5cfc2beffbad5a36b051a15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] f873e4b63170753604f43155b4eb2bc6643a5461ad670140ff29d4f9b6adf6f3
[INFO] running `Command { std: "docker" "start" "-a" "f873e4b63170753604f43155b4eb2bc6643a5461ad670140ff29d4f9b6adf6f3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling jlog v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "f873e4b63170753604f43155b4eb2bc6643a5461ad670140ff29d4f9b6adf6f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f873e4b63170753604f43155b4eb2bc6643a5461ad670140ff29d4f9b6adf6f3", kill_on_drop: false }`
[INFO] [stdout] f873e4b63170753604f43155b4eb2bc6643a5461ad670140ff29d4f9b6adf6f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 10bfdee52fc655ffc14c0c1e4e738d62260ebaca0ea6a47acd0e9768e2561dde
[INFO] running `Command { std: "docker" "start" "-a" "10bfdee52fc655ffc14c0c1e4e738d62260ebaca0ea6a47acd0e9768e2561dde", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jlog-da4efc4830ee6bd7)
[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" "10bfdee52fc655ffc14c0c1e4e738d62260ebaca0ea6a47acd0e9768e2561dde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10bfdee52fc655ffc14c0c1e4e738d62260ebaca0ea6a47acd0e9768e2561dde", kill_on_drop: false }`
[INFO] [stdout] 10bfdee52fc655ffc14c0c1e4e738d62260ebaca0ea6a47acd0e9768e2561dde