[INFO] crate pyflow 0.1.9 is already in cache
[INFO] checking pyflow-0.1.9 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate pyflow 0.1.9 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate pyflow 0.1.9 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pyflow 0.1.9
[INFO] finished tweaking crates.io crate pyflow 0.1.9
[INFO] tweaked toml for crates.io crate pyflow 0.1.9 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate pyflow 0.1.9 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] 0fb1a782c2044af551812b4f7f07967e07b71ca5e4faaf3d11679bddfff94dd9
[INFO] running `"docker" "start" "-a" "0fb1a782c2044af551812b4f7f07967e07b71ca5e4faaf3d11679bddfff94dd9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.0
[INFO] [stderr]    Compiling syn v1.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.51
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling lzma-sys v0.1.15
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking crossterm_utils v0.3.1
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking crossterm_screen v0.3.1
[INFO] [stderr]     Checking crossterm_cursor v0.3.1
[INFO] [stderr]     Checking crossterm_style v0.5.1
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossterm_terminal v0.3.1
[INFO] [stderr]     Checking crossterm_input v0.4.1
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking crossterm v0.11.1
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling quote v1.0.0
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.21
[INFO] [stderr]     Checking pyflow v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/util.rs:601:50
[INFO] [stderr]     |
[INFO] [stderr] 601 | fn os_from_wheel_fname(filename: &str) -> Result<(Os), DependencyError> {
[INFO] [stderr]     |                                                  ^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:598:37
[INFO] [stderr]     |
[INFO] [stderr] 598 | fn read_lock(path: &Path) -> Result<(Lock), Box<dyn Error>> {
[INFO] [stderr]     |                                     ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/util.rs:601:50
[INFO] [stderr]     |
[INFO] [stderr] 601 | fn os_from_wheel_fname(filename: &str) -> Result<(Os), DependencyError> {
[INFO] [stderr]     |                                                  ^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/main.rs:598:37
[INFO] [stderr]     |
[INFO] [stderr] 598 | fn read_lock(path: &Path) -> Result<(Lock), Box<dyn Error>> {
[INFO] [stderr]     |                                     ^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `"docker" "inspect" "0fb1a782c2044af551812b4f7f07967e07b71ca5e4faaf3d11679bddfff94dd9"`
[INFO] running `"docker" "rm" "-f" "0fb1a782c2044af551812b4f7f07967e07b71ca5e4faaf3d11679bddfff94dd9"`
[INFO] [stdout] 0fb1a782c2044af551812b4f7f07967e07b71ca5e4faaf3d11679bddfff94dd9