[INFO] updating cached repository https://github.com/David-OConnor/pypackages
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/David-OConnor/pypackages
[INFO] [stderr]    fe152cc..dc0ed92  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dc0ed92aa5a02d7ed0354a4edfd25649282b0e94
[INFO] checking David-OConnor/pypackages against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDavid-OConnor%2Fpypackages" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/David-OConnor/pypackages on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/David-OConnor/pypackages
[INFO] finished tweaking git repo https://github.com/David-OConnor/pypackages
[INFO] tweaked toml for git repo https://github.com/David-OConnor/pypackages written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/David-OConnor/pypackages already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ac8b11e633cac39f9143e04a84649ccd25a54b8a0a9d189246c4d2aba008a74
[INFO] running `"docker" "start" "-a" "4ac8b11e633cac39f9143e04a84649ccd25a54b8a0a9d189246c4d2aba008a74"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]     Checking mime v0.3.14
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking data-encoding v2.1.2
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking ryu v1.0.2
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking crossterm_utils v0.4.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking crossterm_utils v0.3.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossterm_screen v0.3.2
[INFO] [stderr]     Checking crossterm_style v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking crossterm_cursor v0.3.1
[INFO] [stderr]     Checking mio v0.6.20
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking crossterm_input v0.4.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking crossterm_input v0.5.0
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling lzma-sys v0.1.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking crossterm_cursor v0.4.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking crossterm_terminal v0.3.2
[INFO] [stderr]     Checking crossterm v0.11.1
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking webpki v0.21.0
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking tokio-rustls v0.10.2
[INFO] [stderr]     Checking hyper-rustls v0.17.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]     Checking pyflow v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/util.rs:667:21
[INFO] [stderr]     |
[INFO] [stderr] 667 | /                     (println!(
[INFO] [stderr] 668 | |                         "Unable to match python version from python_version: {}",
[INFO] [stderr] 669 | |                         &rel.python_version
[INFO] [stderr] 670 | |                     ))
[INFO] [stderr]     | |______________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 667 |                     println!(
[INFO] [stderr] 668 |                         "Unable to match python version from python_version: {}",
[INFO] [stderr] 669 |                         &rel.python_version
[INFO] [stderr] 670 |                     )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/util.rs:667:21
[INFO] [stderr]     |
[INFO] [stderr] 667 | /                     (println!(
[INFO] [stderr] 668 | |                         "Unable to match python version from python_version: {}",
[INFO] [stderr] 669 | |                         &rel.python_version
[INFO] [stderr] 670 | |                     ))
[INFO] [stderr]     | |______________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 667 |                     println!(
[INFO] [stderr] 668 |                         "Unable to match python version from python_version: {}",
[INFO] [stderr] 669 |                         &rel.python_version
[INFO] [stderr] 670 |                     )
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `"docker" "inspect" "4ac8b11e633cac39f9143e04a84649ccd25a54b8a0a9d189246c4d2aba008a74"`
[INFO] running `"docker" "rm" "-f" "4ac8b11e633cac39f9143e04a84649ccd25a54b8a0a9d189246c4d2aba008a74"`
[INFO] [stdout] 4ac8b11e633cac39f9143e04a84649ccd25a54b8a0a9d189246c4d2aba008a74