[INFO] cloning repository https://github.com/jam1garner/find-arc-orphans
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jam1garner/find-arc-orphans" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjam1garner%2Ffind-arc-orphans", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjam1garner%2Ffind-arc-orphans'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f25e6c5dc5616de29c194e3399493e5c5fce3ed7
[INFO] checking jam1garner/find-arc-orphans 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%2Fjam1garner%2Ffind-arc-orphans" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files: 100% (23/23)
Updating files: 100% (23/23), done.
[INFO] started tweaking git repo https://github.com/jam1garner/find-arc-orphans
[INFO] finished tweaking git repo https://github.com/jam1garner/find-arc-orphans
[INFO] tweaked toml for git repo https://github.com/jam1garner/find-arc-orphans written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jam1garner/find-arc-orphans 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/jam1garner/find-arc-orphans 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8585f9a942a78cb2f2a73aed3bd2a33854f7e50d425082b1f421514083f7ef47
[INFO] running `Command { std: "docker" "start" "-a" "8585f9a942a78cb2f2a73aed3bd2a33854f7e50d425082b1f421514083f7ef47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8585f9a942a78cb2f2a73aed3bd2a33854f7e50d425082b1f421514083f7ef47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8585f9a942a78cb2f2a73aed3bd2a33854f7e50d425082b1f421514083f7ef47", kill_on_drop: false }`
[INFO] [stdout] 8585f9a942a78cb2f2a73aed3bd2a33854f7e50d425082b1f421514083f7ef47
[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 -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] a3ef2adb39f2935608a4000c9f715c468056531d3a76532915081d4afc118fac
[INFO] running `Command { std: "docker" "start" "-a" "a3ef2adb39f2935608a4000c9f715c468056531d3a76532915081d4afc118fac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.29
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.2
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]    Compiling packed_struct v0.3.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking cached v0.11.0
[INFO] [stderr]     Checking timeit v0.1.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling zstd-sys v1.4.10+zstd.1.4.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling binwrite_derive v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]    Compiling paste-impl v0.1.7
[INFO] [stderr]     Checking paste v0.1.7
[INFO] [stderr]     Checking binwrite v0.2.1
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]    Compiling packed_struct_codegen v0.3.0
[INFO] [stderr]     Checking zstd-safe v1.4.9+zstd.1.4.0
[INFO] [stderr]     Checking zstd v0.4.24+zstd.1.4.0
[INFO] [stderr]     Checking find-arc-orphans v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/arc/util.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let mut s = ::std::mem::uninitialized();
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FileSlice`
[INFO] [stdout]  --> src/arc/mem_file/test.rs:1:58
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{set_file, get_header, get_footer, FilePtr32, FileSlice};
[INFO] [stdout]   |                                                          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]  --> src/arc/util.rs:7:33
[INFO] [stdout]   |
[INFO] [stdout] 7 |         let mut s = ::std::mem::uninitialized();
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     arc: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     out_file: PathBuf
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/arc/structs.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[derive(Debug, Clone, Copy, PackedStruct)]
[INFO] [stdout]    |                              ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/arc/structs.rs:81:30
[INFO] [stdout]    |
[INFO] [stdout] 81 | #[derive(Debug, Clone, Copy, PackedStruct)]
[INFO] [stdout]    |                              ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `find-arc-orphans` (bin "find-arc-orphans") due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     arc: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     out_file: PathBuf
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/arc/structs.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[derive(Debug, Clone, Copy, PackedStruct)]
[INFO] [stdout]    |                              ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/arc/structs.rs:81:30
[INFO] [stdout]    |
[INFO] [stdout] 81 | #[derive(Debug, Clone, Copy, PackedStruct)]
[INFO] [stdout]    |                              ^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the derive macro `PackedStruct` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `find-arc-orphans` (bin "find-arc-orphans" test) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "a3ef2adb39f2935608a4000c9f715c468056531d3a76532915081d4afc118fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3ef2adb39f2935608a4000c9f715c468056531d3a76532915081d4afc118fac", kill_on_drop: false }`
[INFO] [stdout] a3ef2adb39f2935608a4000c9f715c468056531d3a76532915081d4afc118fac
