[INFO] fetching crate bmk_linux 0.2.2...
[INFO] checking bmk_linux-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate bmk_linux 0.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate bmk_linux 0.2.2
[INFO] finished tweaking crates.io crate bmk_linux 0.2.2
[INFO] tweaked toml for crates.io crate bmk_linux 0.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bmk_linux 0.2.2 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 550711ccf9fc05f24c98337d2ff9379829fb35140bfbaffa43cd85d519ecffda
[INFO] running `Command { std: "docker" "start" "-a" "550711ccf9fc05f24c98337d2ff9379829fb35140bfbaffa43cd85d519ecffda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "550711ccf9fc05f24c98337d2ff9379829fb35140bfbaffa43cd85d519ecffda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550711ccf9fc05f24c98337d2ff9379829fb35140bfbaffa43cd85d519ecffda", kill_on_drop: false }`
[INFO] [stdout] 550711ccf9fc05f24c98337d2ff9379829fb35140bfbaffa43cd85d519ecffda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 09931995351f876f2fcbec1bddb8bfd70ce251ba59d7a673a42d66f40e5eb05b
[INFO] running `Command { std: "docker" "start" "-a" "09931995351f876f2fcbec1bddb8bfd70ce251ba59d7a673a42d66f40e5eb05b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking bmk_linux v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/linux4_4/procfs/parsing.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                           s.parse().unwrap()
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/linux4_4/procfs/pid/stat.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / list_parser! {
[INFO] [stdout] 22 | |     struct ProcPidStat;
[INFO] [stdout] 23 | |
[INFO] [stdout] 24 | |     get_path(pid: Process);
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |     exit_code: isize,
[INFO] [stdout] 78 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `list_parser` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/resultarray.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn iter(&self) -> slice::Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn iter(&self) -> slice::Iter<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bmk_linux` (lib) due to 1 previous error; 1 warning emitted
[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/linux4_4/procfs/parsing.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                           s.parse().unwrap()
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/linux4_4/procfs/pid/stat.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / list_parser! {
[INFO] [stdout] 22 | |     struct ProcPidStat;
[INFO] [stdout] 23 | |
[INFO] [stdout] 24 | |     get_path(pid: Process);
[INFO] [stdout] ...  |
[INFO] [stdout] 77 | |     exit_code: isize,
[INFO] [stdout] 78 | | }
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `list_parser` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/resultarray.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn iter(&self) -> slice::Iter<T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn iter(&self) -> slice::Iter<'_, T> {
[INFO] [stdout]    |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bmk_linux` (lib test) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "09931995351f876f2fcbec1bddb8bfd70ce251ba59d7a673a42d66f40e5eb05b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09931995351f876f2fcbec1bddb8bfd70ce251ba59d7a673a42d66f40e5eb05b", kill_on_drop: false }`
[INFO] [stdout] 09931995351f876f2fcbec1bddb8bfd70ce251ba59d7a673a42d66f40e5eb05b
