[INFO] fetching crate physfs-rs 0.1.6...
[INFO] building physfs-rs-0.1.6 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate physfs-rs 0.1.6 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate physfs-rs 0.1.6
[INFO] finished tweaking crates.io crate physfs-rs 0.1.6
[INFO] tweaked toml for crates.io crate physfs-rs 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate physfs-rs 0.1.6 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b51a46f7f799baaf45c113e10b90420a44b15bebe69a45965454a75aab9f19f2
[INFO] running `Command { std: "docker" "start" "-a" "b51a46f7f799baaf45c113e10b90420a44b15bebe69a45965454a75aab9f19f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b51a46f7f799baaf45c113e10b90420a44b15bebe69a45965454a75aab9f19f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b51a46f7f799baaf45c113e10b90420a44b15bebe69a45965454a75aab9f19f2", kill_on_drop: false }`
[INFO] [stdout] b51a46f7f799baaf45c113e10b90420a44b15bebe69a45965454a75aab9f19f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99e625176a3e9af23c39e59581d65b719721ff83a7d18a51a9be06d5c6ae331f
[INFO] running `Command { std: "docker" "start" "-a" "99e625176a3e9af23c39e59581d65b719721ff83a7d18a51a9be06d5c6ae331f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling cmake v0.1.54
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling physfs-sys v0.0.0
[INFO] [stderr]    Compiling physfs-rs v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.95s
[INFO] running `Command { std: "docker" "inspect" "99e625176a3e9af23c39e59581d65b719721ff83a7d18a51a9be06d5c6ae331f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99e625176a3e9af23c39e59581d65b719721ff83a7d18a51a9be06d5c6ae331f", kill_on_drop: false }`
[INFO] [stdout] 99e625176a3e9af23c39e59581d65b719721ff83a7d18a51a9be06d5c6ae331f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bad4d31d1a654f04a0af6c536621f5d09386184fd9feafc08d0881f0edb556a7
[INFO] running `Command { std: "docker" "start" "-a" "bad4d31d1a654f04a0af6c536621f5d09386184fd9feafc08d0881f0edb556a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling physfs-rs v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         fs.mount("./", "/", true);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 332 |         let _ = fs.mount("./", "/", true);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "bad4d31d1a654f04a0af6c536621f5d09386184fd9feafc08d0881f0edb556a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad4d31d1a654f04a0af6c536621f5d09386184fd9feafc08d0881f0edb556a7", kill_on_drop: false }`
[INFO] [stdout] bad4d31d1a654f04a0af6c536621f5d09386184fd9feafc08d0881f0edb556a7