[INFO] cloning repository https://github.com/iori-yja/surveirs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iori-yja/surveirs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiori-yja%2Fsurveirs"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiori-yja%2Fsurveirs'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5ba9288c62be562c560eee260aed0eb13d3927bc [INFO] checking iori-yja/surveirs against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiori-yja%2Fsurveirs" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iori-yja/surveirs on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b [INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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-6/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] cfb3961c8d3e247a4d2cd4068750afd82b9e564d8ef684716c37db701a20b91d [INFO] running `"docker" "start" "-a" "cfb3961c8d3e247a4d2cd4068750afd82b9e564d8ef684716c37db701a20b91d"` [INFO] [stderr] Compiling syn v0.15.35 [INFO] [stderr] Compiling serde v1.0.93 [INFO] [stderr] Compiling backtrace-sys v0.1.29 [INFO] [stderr] Checking tokio-trace-core v0.2.0 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking rscam v0.5.5 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking string v0.2.0 [INFO] [stderr] Checking tokio-buf v0.1.1 [INFO] [stderr] Checking openssl v0.10.23 [INFO] [stderr] Checking regex v1.1.7 [INFO] [stderr] Checking miniz_oxide_c_api v0.2.1 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking num-iter v0.1.39 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking rayon-core v1.5.0 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking flate2 v1.0.9 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking h2 v0.1.24 [INFO] [stderr] Checking backtrace v0.3.32 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Checking native-tls v0.2.3 [INFO] [stderr] Checking hyper v0.12.31 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.93 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking hyper-tls v0.3.2 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking image v0.21.2 [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:114:1 [INFO] [stderr] | [INFO] [stderr] 114 | / fn derivative

(im: &ImageBuffer>) -> ImageBuffer> [INFO] [stderr] 115 | | where [INFO] [stderr] 116 | | P: Pixel + 'static, [INFO] [stderr] 117 | | { [INFO] [stderr] 118 | | let kernel: &[f32] = &[0.0, -1.0, 0.0, 1.0, 0.0, -1.0, 0.0, 1.0, 0.0]; [INFO] [stderr] 119 | | filter3x3(im, kernel) [INFO] [stderr] 120 | | } [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:114:1 [INFO] [stderr] | [INFO] [stderr] 114 | / fn derivative

(im: &ImageBuffer>) -> ImageBuffer> [INFO] [stderr] 115 | | where [INFO] [stderr] 116 | | P: Pixel + 'static, [INFO] [stderr] 117 | | { [INFO] [stderr] 118 | | let kernel: &[f32] = &[0.0, -1.0, 0.0, 1.0, 0.0, -1.0, 0.0, 1.0, 0.0]; [INFO] [stderr] 119 | | filter3x3(im, kernel) [INFO] [stderr] 120 | | } [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 1m 34s [INFO] running `"docker" "inspect" "cfb3961c8d3e247a4d2cd4068750afd82b9e564d8ef684716c37db701a20b91d"` [INFO] running `"docker" "rm" "-f" "cfb3961c8d3e247a4d2cd4068750afd82b9e564d8ef684716c37db701a20b91d"` [INFO] [stdout] cfb3961c8d3e247a4d2cd4068750afd82b9e564d8ef684716c37db701a20b91d