[INFO] fetching crate procfs-core 0.18.0...
[INFO] building procfs-core-0.18.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate procfs-core 0.18.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate procfs-core 0.18.0
[INFO] finished tweaking crates.io crate procfs-core 0.18.0
[INFO] tweaked toml for crates.io crate procfs-core 0.18.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate procfs-core 0.18.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate procfs-core 0.18.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06aedca24cf2928502481ad6f554b5f0c4cc90570bc68de4ee5aa56187b8f848
[INFO] running `Command { std: "docker" "start" "-a" "06aedca24cf2928502481ad6f554b5f0c4cc90570bc68de4ee5aa56187b8f848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06aedca24cf2928502481ad6f554b5f0c4cc90570bc68de4ee5aa56187b8f848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06aedca24cf2928502481ad6f554b5f0c4cc90570bc68de4ee5aa56187b8f848", kill_on_drop: false }`
[INFO] [stdout] 06aedca24cf2928502481ad6f554b5f0c4cc90570bc68de4ee5aa56187b8f848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4412c0fa04b3aade710b55915a50f722ef42748f5b04df732fda28624f7ce8f7
[INFO] running `Command { std: "docker" "start" "-a" "4412c0fa04b3aade710b55915a50f722ef42748f5b04df732fda28624f7ce8f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling procfs-core v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pressure.rs:53:43
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn from_buf_read<R: std::io::BufRead>(mut r: R) -> ProcResult<Self> {
[INFO] [stdout]    |                                           ----^
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/iomem.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_range(&self) -> impl crate::WithSystemInfo<Output = (Pfn, Pfn)> {
[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] 57 |     pub fn get_range(&self) -> impl crate::WithSystemInfo<'_, Output = (Pfn, Pfn)> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/process/mod.rs:575:17
[INFO] [stdout]     |
[INFO] [stdout] 575 |     pub fn iter(&self) -> std::slice::Iter<MemoryMap> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 575 |     pub fn iter(&self) -> std::slice::Iter<'_, MemoryMap> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/process/stat.rs:410:22
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn starttime(&self) -> impl crate::WithSystemInfo<Output = ProcResult<chrono::DateTime<chrono::Local>>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn starttime(&self) -> impl crate::WithSystemInfo<'_, Output = ProcResult<chrono::DateTime<chrono::Local>>> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/process/stat.rs:432:22
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn rss_bytes(&self) -> impl crate::WithSystemInfo<Output = u64> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn rss_bytes(&self) -> impl crate::WithSystemInfo<'_, Output = u64> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "4412c0fa04b3aade710b55915a50f722ef42748f5b04df732fda28624f7ce8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4412c0fa04b3aade710b55915a50f722ef42748f5b04df732fda28624f7ce8f7", kill_on_drop: false }`
[INFO] [stdout] 4412c0fa04b3aade710b55915a50f722ef42748f5b04df732fda28624f7ce8f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72024c4e3d4348c6bc9c5b60fc79cecd1bb4131c208a17bf957a1bacfdacf4da
[INFO] running `Command { std: "docker" "start" "-a" "72024c4e3d4348c6bc9c5b60fc79cecd1bb4131c208a17bf957a1bacfdacf4da", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pressure.rs:53:43
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn from_buf_read<R: std::io::BufRead>(mut r: R) -> ProcResult<Self> {
[INFO] [stdout]    |                                           ----^
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/iomem.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_range(&self) -> impl crate::WithSystemInfo<Output = (Pfn, Pfn)> {
[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] 57 |     pub fn get_range(&self) -> impl crate::WithSystemInfo<'_, Output = (Pfn, Pfn)> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/process/mod.rs:575:17
[INFO] [stdout]     |
[INFO] [stdout] 575 |     pub fn iter(&self) -> std::slice::Iter<MemoryMap> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 575 |     pub fn iter(&self) -> std::slice::Iter<'_, MemoryMap> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/process/stat.rs:410:22
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn starttime(&self) -> impl crate::WithSystemInfo<Output = ProcResult<chrono::DateTime<chrono::Local>>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn starttime(&self) -> impl crate::WithSystemInfo<'_, Output = ProcResult<chrono::DateTime<chrono::Local>>> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/process/stat.rs:432:22
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn rss_bytes(&self) -> impl crate::WithSystemInfo<Output = u64> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn rss_bytes(&self) -> impl crate::WithSystemInfo<'_, Output = u64> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling procfs-core v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pressure.rs:53:43
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn from_buf_read<R: std::io::BufRead>(mut r: R) -> ProcResult<Self> {
[INFO] [stdout]    |                                           ----^
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/process/mod.rs:575:17
[INFO] [stdout]     |
[INFO] [stdout] 575 |     pub fn iter(&self) -> std::slice::Iter<MemoryMap> {
[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] 575 |     pub fn iter(&self) -> std::slice::Iter<'_, MemoryMap> {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/process/stat.rs:410:22
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn starttime(&self) -> impl crate::WithSystemInfo<Output = ProcResult<chrono::DateTime<chrono::Local>>> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 410 |     pub fn starttime(&self) -> impl crate::WithSystemInfo<'_, Output = ProcResult<chrono::DateTime<chrono::Local>>> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/process/stat.rs:432:22
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn rss_bytes(&self) -> impl crate::WithSystemInfo<Output = u64> {
[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] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 432 |     pub fn rss_bytes(&self) -> impl crate::WithSystemInfo<'_, Output = u64> {
[INFO] [stdout]     |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/iomem.rs:57:22
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_range(&self) -> impl crate::WithSystemInfo<Output = (Pfn, Pfn)> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn get_range(&self) -> impl crate::WithSystemInfo<'_, Output = (Pfn, Pfn)> {
[INFO] [stdout]    |                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "72024c4e3d4348c6bc9c5b60fc79cecd1bb4131c208a17bf957a1bacfdacf4da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72024c4e3d4348c6bc9c5b60fc79cecd1bb4131c208a17bf957a1bacfdacf4da", kill_on_drop: false }`
[INFO] [stdout] 72024c4e3d4348c6bc9c5b60fc79cecd1bb4131c208a17bf957a1bacfdacf4da