[INFO] fetching crate mtfs 0.0.1...
[INFO] testing mtfs-0.0.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mtfs 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate mtfs 0.0.1
[INFO] finished tweaking crates.io crate mtfs 0.0.1
[INFO] tweaked toml for crates.io crate mtfs 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mtfs 0.0.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mtfs 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.62
[INFO] [stderr]   Downloaded pkg-config v0.3.16
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b365f85baff0f4c7870c7bee14f4b2c35226a41a1dabc5e7211d5a659ce85e5d
[INFO] running `Command { std: "docker" "start" "-a" "b365f85baff0f4c7870c7bee14f4b2c35226a41a1dabc5e7211d5a659ce85e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b365f85baff0f4c7870c7bee14f4b2c35226a41a1dabc5e7211d5a659ce85e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b365f85baff0f4c7870c7bee14f4b2c35226a41a1dabc5e7211d5a659ce85e5d", kill_on_drop: false }`
[INFO] [stdout] b365f85baff0f4c7870c7bee14f4b2c35226a41a1dabc5e7211d5a659ce85e5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc9c4799410c8454992529eaf5a04d09f1f21ce69351c69931fad25d48cf3763
[INFO] running `Command { std: "docker" "start" "-a" "bc9c4799410c8454992529eaf5a04d09f1f21ce69351c69931fad25d48cf3763", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling mtfs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "bc9c4799410c8454992529eaf5a04d09f1f21ce69351c69931fad25d48cf3763", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9c4799410c8454992529eaf5a04d09f1f21ce69351c69931fad25d48cf3763", kill_on_drop: false }`
[INFO] [stdout] bc9c4799410c8454992529eaf5a04d09f1f21ce69351c69931fad25d48cf3763
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22f5ecd8ea43bc5a6c9624891ff38a3403344bd4d5506965cb32f1bdeb23bd09
[INFO] running `Command { std: "docker" "start" "-a" "22f5ecd8ea43bc5a6c9624891ff38a3403344bd4d5506965cb32f1bdeb23bd09", kill_on_drop: false }`
[INFO] [stderr]    Compiling mtfs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "22f5ecd8ea43bc5a6c9624891ff38a3403344bd4d5506965cb32f1bdeb23bd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22f5ecd8ea43bc5a6c9624891ff38a3403344bd4d5506965cb32f1bdeb23bd09", kill_on_drop: false }`
[INFO] [stdout] 22f5ecd8ea43bc5a6c9624891ff38a3403344bd4d5506965cb32f1bdeb23bd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd20c8f41ec10d9d42827dc967a78bc796f12937aa9a0f0f1b4d421a46379155
[INFO] running `Command { std: "docker" "start" "-a" "fd20c8f41ec10d9d42827dc967a78bc796f12937aa9a0f0f1b4d421a46379155", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mtfs-fb27e8f12c8dbc59)
[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" "fd20c8f41ec10d9d42827dc967a78bc796f12937aa9a0f0f1b4d421a46379155", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd20c8f41ec10d9d42827dc967a78bc796f12937aa9a0f0f1b4d421a46379155", kill_on_drop: false }`
[INFO] [stdout] fd20c8f41ec10d9d42827dc967a78bc796f12937aa9a0f0f1b4d421a46379155