[INFO] updating cached repository https://github.com/iori-yja/surveirs [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] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5ba9288c62be562c560eee260aed0eb13d3927bc [INFO] checking iori-yja/surveirs against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiori-yja%2Fsurveirs" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iori-yja/surveirs on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7 [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/iori-yja/surveirs [INFO] finished tweaking git repo https://github.com/iori-yja/surveirs [INFO] tweaked toml for git repo https://github.com/iori-yja/surveirs written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/iori-yja/surveirs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 4e55d806758e308e1f5376d41f30d51c9c4a28b28ad648b0dda20533afddee9d [INFO] running `"docker" "start" "-a" "4e55d806758e308e1f5376d41f30d51c9c4a28b28ad648b0dda20533afddee9d"` [INFO] [stderr] Compiling syn v0.15.35 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking rscam v0.5.5 [INFO] [stderr] Checking backtrace-sys v0.1.29 [INFO] [stderr] Checking openssl-sys v0.9.47 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking miniz_oxide_c_api v0.2.1 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking parking_lot_core v0.4.0 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking backtrace v0.3.32 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking openssl v0.10.23 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking flate2 v1.0.9 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking http v0.1.17 [INFO] [stderr] Checking string v0.2.0 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.24 [INFO] [stderr] Checking native-tls v0.2.3 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.93 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking hyper v0.12.31 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.2 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking serde v1.0.93 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Checking serde_urlencoded v0.5.5 [INFO] [stderr] Checking cookie_store v0.7.0 [INFO] [stderr] Checking reqwest v0.9.18 [INFO] [stderr] Checking image-test v0.0.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:153:17 [INFO] [stderr] | [INFO] [stderr] 153 | let mut reader = BufReader::new(f); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `derivative` [INFO] [stderr] --> src/main.rs:114:4 [INFO] [stderr] | [INFO] [stderr] 114 | fn derivative

(im: &ImageBuffer>) -> ImageBuffer> [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:446:17 [INFO] [stderr] | [INFO] [stderr] 446 | sender.send(Some(Some((context.index, sent_n)))); [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:449:17 [INFO] [stderr] | [INFO] [stderr] 449 | sender.send(Some(None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:153:17 [INFO] [stderr] | [INFO] [stderr] 153 | let mut reader = BufReader::new(f); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `derivative` [INFO] [stderr] --> src/main.rs:114:4 [INFO] [stderr] | [INFO] [stderr] 114 | fn derivative

(im: &ImageBuffer>) -> ImageBuffer> [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:446:17 [INFO] [stderr] | [INFO] [stderr] 446 | sender.send(Some(Some((context.index, sent_n)))); [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:449:17 [INFO] [stderr] | [INFO] [stderr] 449 | sender.send(Some(None)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 2m 04s [INFO] running `"docker" "inspect" "4e55d806758e308e1f5376d41f30d51c9c4a28b28ad648b0dda20533afddee9d"` [INFO] running `"docker" "rm" "-f" "4e55d806758e308e1f5376d41f30d51c9c4a28b28ad648b0dda20533afddee9d"` [INFO] [stdout] 4e55d806758e308e1f5376d41f30d51c9c4a28b28ad648b0dda20533afddee9d