[INFO] fetching crate procfs-core 0.18.0...
[INFO] checking procfs-core-0.18.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate procfs-core 0.18.0 into /workspace/builds/worker-3-tc1/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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate procfs-core 0.18.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.1.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02e302db3bb12c793b2c799af29b97945aec09851cdeadc7b95c8664655ba6fe
[INFO] running `Command { std: "docker" "start" "-a" "02e302db3bb12c793b2c799af29b97945aec09851cdeadc7b95c8664655ba6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02e302db3bb12c793b2c799af29b97945aec09851cdeadc7b95c8664655ba6fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02e302db3bb12c793b2c799af29b97945aec09851cdeadc7b95c8664655ba6fe", kill_on_drop: false }`
[INFO] [stdout] 02e302db3bb12c793b2c799af29b97945aec09851cdeadc7b95c8664655ba6fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33e8284bd4349d91e6c68e48fe194cd915ca7d4e1811d03a6192a319102f3952
[INFO] running `Command { std: "docker" "start" "-a" "33e8284bd4349d91e6c68e48fe194cd915ca7d4e1811d03a6192a319102f3952", kill_on_drop: false }`
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking procfs-core v0.18.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `expect`
[INFO] [stdout]  --> src/cpuinfo.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{expect, ProcResult};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expect`
[INFO] [stdout]  --> src/crypto.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{expect, FromBufRead, ProcError, ProcResult};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `expect` and `from_str`
[INFO] [stdout]  --> src/diskstats.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{expect, from_str, ProcResult};
[INFO] [stdout]   |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `build_internal_error`, `expect`, and `from_str`
[INFO] [stdout]  --> src/keyring.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{build_internal_error, expect, from_str, ProcResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `expect` and `from_str`
[INFO] [stdout]  --> src/locks.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{expect, from_str, ProcResult};
[INFO] [stdout]   |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `expect` and `from_str`
[INFO] [stdout]  --> src/meminfo.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{expect, from_str, ProcResult};
[INFO] [stdout]   |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `build_internal_error`, `expect`, and `from_str`
[INFO] [stdout]   --> src/net.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{build_internal_error, expect, from_iter, from_str};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^  ^^^^^^             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expect`
[INFO] [stdout]  --> src/sysvipc_shm.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{expect, ProcResult};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expect`
[INFO] [stdout]  --> src/uptime.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{expect, ProcResult};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expect`
[INFO] [stdout]  --> src/cpuinfo.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{expect, ProcResult};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expect`
[INFO] [stdout]  --> src/crypto.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{expect, FromBufRead, ProcError, ProcResult};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `expect` and `from_str`
[INFO] [stdout]  --> src/diskstats.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{expect, from_str, ProcResult};
[INFO] [stdout]   |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `build_internal_error`, `expect`, and `from_str`
[INFO] [stdout]  --> src/keyring.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{build_internal_error, expect, from_str, ProcResult};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^  ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `expect` and `from_str`
[INFO] [stdout]  --> src/locks.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{expect, from_str, ProcResult};
[INFO] [stdout]   |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `expect` and `from_str`
[INFO] [stdout]  --> src/meminfo.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{expect, from_str, ProcResult};
[INFO] [stdout]   |             ^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `build_internal_error`, `expect`, and `from_str`
[INFO] [stdout]   --> src/net.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use crate::{build_internal_error, expect, from_iter, from_str};
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^  ^^^^^^             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expect`
[INFO] [stdout]  --> src/sysvipc_shm.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::{expect, ProcResult};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `expect`
[INFO] [stdout]  --> src/uptime.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{expect, ProcResult};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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: 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] [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 4.59s
[INFO] running `Command { std: "docker" "inspect" "33e8284bd4349d91e6c68e48fe194cd915ca7d4e1811d03a6192a319102f3952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e8284bd4349d91e6c68e48fe194cd915ca7d4e1811d03a6192a319102f3952", kill_on_drop: false }`
[INFO] [stdout] 33e8284bd4349d91e6c68e48fe194cd915ca7d4e1811d03a6192a319102f3952
