[INFO] cloning repository https://github.com/SimonPersson/shellfs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SimonPersson/shellfs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonPersson%2Fshellfs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonPersson%2Fshellfs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3456f129129add3dca2a7d0c9d88f4a6179ce27
[INFO] checking SimonPersson/shellfs against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSimonPersson%2Fshellfs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SimonPersson/shellfs
[INFO] finished tweaking git repo https://github.com/SimonPersson/shellfs
[INFO] tweaked toml for git repo https://github.com/SimonPersson/shellfs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SimonPersson/shellfs on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SimonPersson/shellfs 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caecbea4946f44ff326c3f3ae56eab9a79539de64bbefc159b054344267b1759
[INFO] running `Command { std: "docker" "start" "-a" "caecbea4946f44ff326c3f3ae56eab9a79539de64bbefc159b054344267b1759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caecbea4946f44ff326c3f3ae56eab9a79539de64bbefc159b054344267b1759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caecbea4946f44ff326c3f3ae56eab9a79539de64bbefc159b054344267b1759", kill_on_drop: false }`
[INFO] [stdout] caecbea4946f44ff326c3f3ae56eab9a79539de64bbefc159b054344267b1759
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b879eabfc8354f1bb111e9a876d9dfe13b9aa6802d187986d9cb76db4e08c43
[INFO] running `Command { std: "docker" "start" "-a" "6b879eabfc8354f1bb111e9a876d9dfe13b9aa6802d187986d9cb76db4e08c43", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling fuse-sys v0.4.0-dev (https://github.com/zargony/fuse-rs.git#39fde4a5)
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking fuse-abi v0.4.0-dev (https://github.com/zargony/fuse-rs.git#39fde4a5)
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking fuse v0.4.0-dev (https://github.com/zargony/fuse-rs.git#39fde4a5)
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking daemonize-me v0.3.1
[INFO] [stderr]     Checking shellfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | /     /// Where to mount the file system
[INFO] [stdout] 70 | |     #[clap(short, long)]
[INFO] [stdout] 71 | |     mountpoint: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /     /// Command which lists the files in the file system
[INFO] [stdout] 73 | |     #[clap(short, long)]
[INFO] [stdout] 74 | |     list: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     /// Command which generates the content of each file in the file system
[INFO] [stdout] 76 | |     #[clap(short, long)]
[INFO] [stdout] 77 | |     transform: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shellfs` (bin "shellfs" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 | /     /// Where to mount the file system
[INFO] [stdout] 70 | |     #[clap(short, long)]
[INFO] [stdout] 71 | |     mountpoint: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /     /// Command which lists the files in the file system
[INFO] [stdout] 73 | |     #[clap(short, long)]
[INFO] [stdout] 74 | |     list: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 | /     /// Command which generates the content of each file in the file system
[INFO] [stdout] 76 | |     #[clap(short, long)]
[INFO] [stdout] 77 | |     transform: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `shellfs` (bin "shellfs") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "6b879eabfc8354f1bb111e9a876d9dfe13b9aa6802d187986d9cb76db4e08c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b879eabfc8354f1bb111e9a876d9dfe13b9aa6802d187986d9cb76db4e08c43", kill_on_drop: false }`
[INFO] [stdout] 6b879eabfc8354f1bb111e9a876d9dfe13b9aa6802d187986d9cb76db4e08c43