[INFO] updating cached repository iori-yja/surveirs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/iori-yja/surveirs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/iori-yja/surveirs" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/iori-yja/surveirs"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/iori-yja/surveirs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/iori-yja/surveirs" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/iori-yja/surveirs"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/iori-yja/surveirs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8dc598b93ef950ca6ee7b222b307cfbd68b60dd6 [INFO] sha for GitHub repo iori-yja/surveirs: 8dc598b93ef950ca6ee7b222b307cfbd68b60dd6 [INFO] validating manifest of iori-yja/surveirs on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of iori-yja/surveirs on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing iori-yja/surveirs [INFO] finished frobbing iori-yja/surveirs [INFO] frobbed toml for iori-yja/surveirs written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/iori-yja/surveirs/Cargo.toml [INFO] started frobbing iori-yja/surveirs [INFO] finished frobbing iori-yja/surveirs [INFO] frobbed toml for iori-yja/surveirs written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/iori-yja/surveirs/Cargo.toml [INFO] crate iori-yja/surveirs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking iori-yja/surveirs against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-6/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/iori-yja/surveirs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 7c79e5a3245febb9aab6a61cccee9295b8a05172b4ea6b46fd27332a704bc29d [INFO] running `"docker" "start" "-a" "7c79e5a3245febb9aab6a61cccee9295b8a05172b4ea6b46fd27332a704bc29d"` [INFO] [stderr] Compiling serde v1.0.93 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking rscam v0.5.5 [INFO] [stderr] Checking backtrace-sys v0.1.29 [INFO] [stderr] Compiling serde_derive v1.0.93 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking flate2 v1.0.9 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking backtrace v0.3.32 [INFO] [stderr] Checking hyper v0.12.31 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking tiff v0.2.2 [INFO] [stderr] Checking hyper-tls v0.3.2 [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/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:151:17 [INFO] [stderr] | [INFO] [stderr] 151 | 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:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | / fn derivative

(im: &ImageBuffer>) -> ImageBuffer> [INFO] [stderr] 113 | | where [INFO] [stderr] 114 | | P: Pixel + 'static, [INFO] [stderr] 115 | | { [INFO] [stderr] 116 | | let kernel: &[f32] = &[0.0, -1.0, 0.0, 1.0, 0.0, -1.0, 0.0, 1.0, 0.0]; [INFO] [stderr] 117 | | filter3x3(im, kernel) [INFO] [stderr] 118 | | } [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:400:17 [INFO] [stderr] | [INFO] [stderr] 400 | 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:403:17 [INFO] [stderr] | [INFO] [stderr] 403 | 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:151:17 [INFO] [stderr] | [INFO] [stderr] 151 | 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:112:1 [INFO] [stderr] | [INFO] [stderr] 112 | / fn derivative

(im: &ImageBuffer>) -> ImageBuffer> [INFO] [stderr] 113 | | where [INFO] [stderr] 114 | | P: Pixel + 'static, [INFO] [stderr] 115 | | { [INFO] [stderr] 116 | | let kernel: &[f32] = &[0.0, -1.0, 0.0, 1.0, 0.0, -1.0, 0.0, 1.0, 0.0]; [INFO] [stderr] 117 | | filter3x3(im, kernel) [INFO] [stderr] 118 | | } [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:400:17 [INFO] [stderr] | [INFO] [stderr] 400 | 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:403:17 [INFO] [stderr] | [INFO] [stderr] 403 | 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 15s [INFO] running `"docker" "inspect" "7c79e5a3245febb9aab6a61cccee9295b8a05172b4ea6b46fd27332a704bc29d"` [INFO] running `"docker" "rm" "-f" "7c79e5a3245febb9aab6a61cccee9295b8a05172b4ea6b46fd27332a704bc29d"` [INFO] [stdout] 7c79e5a3245febb9aab6a61cccee9295b8a05172b4ea6b46fd27332a704bc29d