[INFO] fetching crate procfs 0.5.3...
[INFO] extracting crate procfs 0.5.3 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/procfs/0.5.3
[INFO] extracting crate procfs 0.5.3 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/procfs/0.5.3
[INFO] validating manifest of procfs-0.5.3 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of procfs-0.5.3 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing procfs-0.5.3
[INFO] finished frobbing procfs-0.5.3
[INFO] frobbed toml for procfs-0.5.3 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/procfs/0.5.3/Cargo.toml
[INFO] started frobbing procfs-0.5.3
[INFO] finished frobbing procfs-0.5.3
[INFO] frobbed toml for procfs-0.5.3 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/procfs/0.5.3/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking procfs-0.5.3 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-3/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/procfs/0.5.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4bdddbd375efbaabac1a1fb6d4bf4b64deac16f5784253285345d41ef620dd4d
[INFO] running `"docker" "start" "-a" "4bdddbd375efbaabac1a1fb6d4bf4b64deac16f5784253285345d41ef620dd4d"`
[INFO] [stderr]     Checking libflate v0.1.25
[INFO] [stderr]     Checking procfs v0.5.3 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `PathBuf` is imported redundantly
[INFO] [stderr]    --> src/process.rs:511:13
[INFO] [stderr]     |
[INFO] [stderr] 8   | use std::path::PathBuf;
[INFO] [stderr]     |     ------------------ the item `PathBuf` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 511 |         use std::path::PathBuf;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Iterator` is imported redundantly
[INFO] [stderr]    --> src/process.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |         use std::iter::Iterator;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `HashMap` is imported redundantly
[INFO] [stderr]    --> src/process.rs:909:13
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::collections::HashMap;
[INFO] [stderr]     |     ------------------------- the item `HashMap` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 909 |         use std::collections::HashMap;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `HashMap` is imported redundantly
[INFO] [stderr]     --> src/process.rs:1339:13
[INFO] [stderr]      |
[INFO] [stderr] 3    | use std::collections::HashMap;
[INFO] [stderr]      |     ------------------------- the item `HashMap` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1339 |         use std::collections::HashMap;
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:598:21
[INFO] [stderr]     |
[INFO] [stderr] 598 |     let reader: Box<BufRead> = if Path::new(PROC_CONFIG_GZ).exists() {
[INFO] [stderr]     |                     ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `PathBuf` is imported redundantly
[INFO] [stderr]    --> src/process.rs:511:13
[INFO] [stderr]     |
[INFO] [stderr] 8   | use std::path::PathBuf;
[INFO] [stderr]     |     ------------------ the item `PathBuf` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 511 |         use std::path::PathBuf;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Iterator` is imported redundantly
[INFO] [stderr]    --> src/process.rs:586:13
[INFO] [stderr]     |
[INFO] [stderr] 586 |         use std::iter::Iterator;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `HashMap` is imported redundantly
[INFO] [stderr]    --> src/process.rs:909:13
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::collections::HashMap;
[INFO] [stderr]     |     ------------------------- the item `HashMap` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 909 |         use std::collections::HashMap;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `HashMap` is imported redundantly
[INFO] [stderr]     --> src/process.rs:1339:13
[INFO] [stderr]      |
[INFO] [stderr] 3    | use std::collections::HashMap;
[INFO] [stderr]      |     ------------------------- the item `HashMap` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1339 |         use std::collections::HashMap;
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:598:21
[INFO] [stderr]     |
[INFO] [stderr] 598 |     let reader: Box<BufRead> = if Path::new(PROC_CONFIG_GZ).exists() {
[INFO] [stderr]     |                     ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_to_bytes`
[INFO] [stderr]    --> src/lib.rs:296:1
[INFO] [stderr]     |
[INFO] [stderr] 296 | fn convert_to_bytes(num: u64, unit: &str) -> u64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_to_bytes`
[INFO] [stderr]    --> src/lib.rs:296:1
[INFO] [stderr]     |
[INFO] [stderr] 296 | fn convert_to_bytes(num: u64, unit: &str) -> u64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.99s
[INFO] running `"docker" "inspect" "4bdddbd375efbaabac1a1fb6d4bf4b64deac16f5784253285345d41ef620dd4d"`
[INFO] running `"docker" "rm" "-f" "4bdddbd375efbaabac1a1fb6d4bf4b64deac16f5784253285345d41ef620dd4d"`
[INFO] [stdout] 4bdddbd375efbaabac1a1fb6d4bf4b64deac16f5784253285345d41ef620dd4d