[INFO] cloning repository https://github.com/iori-yja/surveirs [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiori-yja%2Fsurveirs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ba9288c62be562c560eee260aed0eb13d3927bc [INFO] checking iori-yja/surveirs against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiori-yja%2Fsurveirs" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/iori-yja/surveirs on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-1/source/Cargo.toml [INFO] crate git repo https://github.com/iori-yja/surveirs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rscam v0.5.5 [INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c4a51b15ecbaa783b11e92f612a86530cc6f98363730b1f52090dfea882a05b4 [INFO] running `Command { std: "docker" "start" "-a" "c4a51b15ecbaa783b11e92f612a86530cc6f98363730b1f52090dfea882a05b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c4a51b15ecbaa783b11e92f612a86530cc6f98363730b1f52090dfea882a05b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c4a51b15ecbaa783b11e92f612a86530cc6f98363730b1f52090dfea882a05b4", kill_on_drop: false }` [INFO] [stdout] c4a51b15ecbaa783b11e92f612a86530cc6f98363730b1f52090dfea882a05b4 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cffb283c585037b66ab721ca8ec058077c47b35b1fecba19c31d31ffdabb4a6f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cffb283c585037b66ab721ca8ec058077c47b35b1fecba19c31d31ffdabb4a6f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking smallvec v0.6.10 [INFO] [stderr] Compiling syn v0.15.35 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling pkg-config v0.3.14 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking adler32 v1.0.3 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling serde v1.0.93 [INFO] [stderr] Checking rustc-demangle v0.1.15 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling encoding_rs v0.8.17 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling backtrace-sys v0.1.29 [INFO] [stderr] Compiling unicase v2.4.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling miniz_oxide_c_api v0.2.1 [INFO] [stderr] Checking try_from v0.3.2 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking miniz_oxide v0.2.1 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking tokio-trace-core v0.2.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking arrayvec v0.4.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking gif v0.10.2 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking deflate v0.7.19 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling hyper v0.12.31 [INFO] [stderr] Checking tokio-executor v0.1.7 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling openssl-sys v0.9.47 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking phf_shared v0.7.24 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking mime v0.3.13 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking rscam v0.5.5 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking futures-cpupool v0.1.8 [INFO] [stderr] Checking backtrace v0.3.32 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking flate2 v1.0.9 [INFO] [stderr] Checking mio v0.6.19 [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] Compiling openssl v0.10.23 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking png v0.14.1 [INFO] [stderr] Checking cookie v0.12.0 [INFO] [stderr] Checking tokio-threadpool v0.1.14 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Compiling mime_guess v2.0.0-alpha.6 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.21 [INFO] [stderr] Checking jpeg-decoder v0.1.15 [INFO] [stderr] Checking publicsuffix v1.5.2 [INFO] [stderr] Checking http-body v0.1.0 [INFO] [stderr] Checking h2 v0.1.24 [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 failure v0.1.5 [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/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:153:17 [INFO] [stdout] | [INFO] [stdout] 153 | let mut reader = BufReader::new(f); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `derivative` [INFO] [stdout] --> src/main.rs:114:4 [INFO] [stdout] | [INFO] [stdout] 114 | fn derivative

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

(im: &ImageBuffer>) -> ImageBuffer> [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:446:17 [INFO] [stdout] | [INFO] [stdout] 446 | sender.send(Some(Some((context.index, sent_n)))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:449:17 [INFO] [stdout] | [INFO] [stdout] 449 | sender.send(Some(None)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 24s [INFO] running `Command { std: "docker" "inspect" "cffb283c585037b66ab721ca8ec058077c47b35b1fecba19c31d31ffdabb4a6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cffb283c585037b66ab721ca8ec058077c47b35b1fecba19c31d31ffdabb4a6f", kill_on_drop: false }` [INFO] [stdout] cffb283c585037b66ab721ca8ec058077c47b35b1fecba19c31d31ffdabb4a6f