[INFO] fetching crate pypackage 0.0.2...
[INFO] checking pypackage-0.0.2 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate pypackage 0.0.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate pypackage 0.0.2 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate pypackage 0.0.2
[INFO] finished tweaking crates.io crate pypackage 0.0.2
[INFO] tweaked toml for crates.io crate pypackage 0.0.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate pypackage 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] ad52aa3e447a18403ac7681df6e21412ab0b4b40b488ffc815355028aa11346b
[INFO] running `"docker" "start" "-a" "ad52aa3e447a18403ac7681df6e21412ab0b4b40b488ffc815355028aa11346b"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking spin v0.5.1
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling ring v0.16.7
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossterm_utils v0.2.4
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking crossterm_cursor v0.2.6
[INFO] [stderr]     Checking crossterm_screen v0.2.5
[INFO] [stderr]     Checking crossterm_style v0.4.1
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking crossterm_input v0.3.9
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking crossterm_terminal v0.2.6
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking crossterm v0.10.2
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking zip v0.5.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.33
[INFO] [stderr]     Checking hyper-tls v0.3.2
[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 v0.9.19
[INFO] [stderr]     Checking pypackage v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::dep_types::Constraint`
[INFO] [stderr]  --> src/files.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::dep_types::Constraint;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::dep_types::Constraint`
[INFO] [stderr]  --> src/files.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::dep_types::Constraint;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vers_cache`
[INFO] [stderr]    --> src/dep_resolution.rs:450:5
[INFO] [stderr]     |
[INFO] [stderr] 450 |     vers_cache: &HashMap<String, (String, Version, Vec<Version>)>,
[INFO] [stderr]     |     ^^^^^^^^^^ help: consider prefixing with an underscore: `_vers_cache`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all_deps`
[INFO] [stderr]    --> src/dep_resolution.rs:452:5
[INFO] [stderr]     |
[INFO] [stderr] 452 |     all_deps: &[Dependency],
[INFO] [stderr]     |     ^^^^^^^^ help: consider prefixing with an underscore: `_all_deps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `names`
[INFO] [stderr]    --> src/dep_resolution.rs:586:17
[INFO] [stderr]     |
[INFO] [stderr] 586 |             let names: Vec<String> = deps.iter().map(|d| d.version.to_string()).collect();
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_names`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vers_cache`
[INFO] [stderr]    --> src/dep_resolution.rs:450:5
[INFO] [stderr]     |
[INFO] [stderr] 450 |     vers_cache: &HashMap<String, (String, Version, Vec<Version>)>,
[INFO] [stderr]     |     ^^^^^^^^^^ help: consider prefixing with an underscore: `_vers_cache`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all_deps`
[INFO] [stderr]    --> src/dep_resolution.rs:452:5
[INFO] [stderr]     |
[INFO] [stderr] 452 |     all_deps: &[Dependency],
[INFO] [stderr]     |     ^^^^^^^^ help: consider prefixing with an underscore: `_all_deps`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `names`
[INFO] [stderr]    --> src/dep_resolution.rs:586:17
[INFO] [stderr]     |
[INFO] [stderr] 586 |             let names: Vec<String> = deps.iter().map(|d| d.version.to_string()).collect();
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_names`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:668:5
[INFO] [stderr]     |
[INFO] [stderr] 668 |     util::wait_for_dirs(&[bin_path.join(python_name), bin_path.join(pip_name)]);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:668:5
[INFO] [stderr]     |
[INFO] [stderr] 668 |     util::wait_for_dirs(&[bin_path.join(python_name), bin_path.join(pip_name)]);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `"docker" "inspect" "ad52aa3e447a18403ac7681df6e21412ab0b4b40b488ffc815355028aa11346b"`
[INFO] running `"docker" "rm" "-f" "ad52aa3e447a18403ac7681df6e21412ab0b4b40b488ffc815355028aa11346b"`
[INFO] [stdout] ad52aa3e447a18403ac7681df6e21412ab0b4b40b488ffc815355028aa11346b