[INFO] cloning repository https://github.com/Blue-Pix/ezio [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Blue-Pix/ezio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlue-Pix%2Fezio", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlue-Pix%2Fezio'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c10d19eb2fa7cdfe0cc5a7da3825f006839068c2 [INFO] checking Blue-Pix/ezio against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlue-Pix%2Fezio" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Blue-Pix/ezio on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Blue-Pix/ezio [INFO] finished tweaking git repo https://github.com/Blue-Pix/ezio [INFO] tweaked toml for git repo https://github.com/Blue-Pix/ezio written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Blue-Pix/ezio already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ipnetwork v0.17.0 [INFO] [stderr] Downloaded syslog v5.0.0 [INFO] [stderr] Downloaded clap v2.33.2 [INFO] [stderr] Downloaded log4rs v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f1a45dd37a4f7133a4a3949a1e3a638dd503df0472bd4b1cda53e5d1acd83637 [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" "f1a45dd37a4f7133a4a3949a1e3a638dd503df0472bd4b1cda53e5d1acd83637", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f1a45dd37a4f7133a4a3949a1e3a638dd503df0472bd4b1cda53e5d1acd83637", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1a45dd37a4f7133a4a3949a1e3a638dd503df0472bd4b1cda53e5d1acd83637", kill_on_drop: false }` [INFO] [stdout] f1a45dd37a4f7133a4a3949a1e3a638dd503df0472bd4b1cda53e5d1acd83637 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9cc1f75b44c56405feb9be89e1fbf3774b832f09b6b3cf4834bcb0217979f324 [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" "9cc1f75b44c56405feb9be89e1fbf3774b832f09b6b3cf4834bcb0217979f324", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling syn v1.0.36 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Checking futures-core v0.3.5 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Checking once_cell v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking futures-sink v0.3.5 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking itoa v0.4.6 [INFO] [stderr] Compiling proc-macro-hack v0.5.18 [INFO] [stderr] Checking tinyvec v0.3.3 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking pin-project-lite v0.1.7 [INFO] [stderr] Checking futures-io v0.3.5 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking subtle v2.2.3 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking smallvec v1.4.1 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Checking pnet_base v0.26.0 [INFO] [stderr] Checking instant v0.1.6 [INFO] [stderr] Checking linked-hash-map v0.5.3 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking base64 v0.12.3 [INFO] [stderr] Checking fallible-iterator v0.2.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Checking gimli v0.22.0 [INFO] [stderr] Checking object v0.20.0 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking dtoa v0.4.6 [INFO] [stderr] Checking siphasher v0.3.3 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling pnet v0.26.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking arc-swap v0.4.7 [INFO] [stderr] Checking log-mdc v0.1.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Checking tracing-core v0.1.14 [INFO] [stderr] Compiling libsqlite3-sys v0.18.0 [INFO] [stderr] Checking lock_api v0.4.1 [INFO] [stderr] Checking futures-channel v0.3.5 [INFO] [stderr] Checking futures-task v0.3.5 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking miniz_oxide v0.4.0 [INFO] [stderr] Checking unicode-normalization v0.1.13 [INFO] [stderr] Checking http v0.2.1 [INFO] [stderr] Checking pnet_macros_support v0.26.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Compiling indexmap v1.5.1 [INFO] [stderr] Compiling num-bigint v0.3.0 [INFO] [stderr] Compiling num-rational v0.3.0 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Checking yaml-rust v0.4.4 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Checking phf_shared v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking semver v0.10.0 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking tiff v0.5.0 [INFO] [stderr] Checking phf v0.8.0 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling ring v0.16.15 [INFO] [stderr] Compiling ezio v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking stringprep v0.1.2 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Checking png v0.16.7 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.34 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking parking_lot_core v0.8.0 [INFO] [stderr] Checking pnet_sys v0.26.0 [INFO] [stderr] Checking socket2 v0.3.12 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking flate2 v1.0.16 [INFO] [stderr] Checking filetime v0.2.12 [INFO] [stderr] Checking xattr v0.2.2 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Checking block-buffer v0.9.0 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking threadpool v1.8.1 [INFO] [stderr] Checking addr2line v0.13.0 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-channel v0.4.3 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking clap v2.33.2 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking parking_lot v0.11.0 [INFO] [stderr] 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Checking failure v0.1.8 [INFO] [stderr] Checking pin-project v0.4.23 [INFO] [stderr] Checking futures-util v0.3.5 [INFO] [stderr] Checking futures-executor v0.3.5 [INFO] [stderr] Checking futures v0.3.5 [INFO] [stderr] Checking ipnetwork v0.16.0 [INFO] [stderr] Checking bstr v0.2.13 [INFO] [stderr] Checking serde-value v0.6.0 [INFO] [stderr] Checking serde_yaml v0.8.13 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking ipnetwork v0.17.0 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking tracing v0.1.19 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking syslog v5.0.0 [INFO] [stderr] Checking pnet_datalink v0.26.0 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Checking csv v1.1.3 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Checking log4rs v0.13.0 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Checking tokio v0.2.22 [INFO] [stderr] Checking tokio-util v0.3.1 [INFO] [stderr] Checking tokio-tls v0.3.1 [INFO] [stderr] Checking h2 v0.2.6 [INFO] [stderr] Checking tokio-postgres v0.5.5 [INFO] [stderr] Checking postgres v0.17.5 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.26.0 [INFO] [stderr] Checking hyper v0.13.7 [INFO] [stderr] Compiling pnet_packet v0.26.0 [INFO] [stderr] Checking hyper-tls v0.4.3 [INFO] [stderr] Checking reqwest v0.10.7 [INFO] [stderr] Checking pnet_transport v0.26.0 [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/web_server_v2/mod.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 59 | / loop { [INFO] [stdout] 60 | | match poll.poll(&mut events, None) { [INFO] [stdout] 61 | | Ok(_) => {}, [INFO] [stdout] 62 | | Err(e) => { [INFO] [stdout] ... | [INFO] [stdout] 91 | | [INFO] [stdout] 92 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 93 | [INFO] [stdout] 94 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/web_server_v2/mod.rs:94:5 [INFO] [stdout] | [INFO] [stdout] 59 | / loop { [INFO] [stdout] 60 | | match poll.poll(&mut events, None) { [INFO] [stdout] 61 | | Ok(_) => {}, [INFO] [stdout] 62 | | Err(e) => { [INFO] [stdout] ... | [INFO] [stdout] 91 | | [INFO] [stdout] 92 | | } [INFO] [stdout] | |_____- any code following this expression is unreachable [INFO] [stdout] 93 | [INFO] [stdout] 94 | Ok(()) [INFO] [stdout] | ^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cookbook/concurrency/explicit_threads/mod.rs:114:3 [INFO] [stdout] | [INFO] [stdout] 114 | insert("apple"); [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/cookbook/concurrency/explicit_threads/mod.rs:115:3 [INFO] [stdout] | [INFO] [stdout] 115 | insert("orange"); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cookbook/concurrency/explicit_threads/mod.rs:116:3 [INFO] [stdout] | [INFO] [stdout] 116 | insert("peach"); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cookbook/concurrency/explicit_threads/mod.rs:123:3 [INFO] [stdout] | [INFO] [stdout] 123 | insert("grape"); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cookbook/concurrency/explicit_threads/mod.rs:193:3 [INFO] [stdout] | [INFO] [stdout] 193 | img.save("output.png"); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cookbook/concurrency/explicit_threads/mod.rs:114:3 [INFO] [stdout] | [INFO] [stdout] 114 | insert("apple"); [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/cookbook/concurrency/explicit_threads/mod.rs:115:3 [INFO] [stdout] | [INFO] [stdout] 115 | insert("orange"); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cookbook/concurrency/explicit_threads/mod.rs:116:3 [INFO] [stdout] | [INFO] [stdout] 116 | insert("peach"); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cookbook/concurrency/explicit_threads/mod.rs:123:3 [INFO] [stdout] | [INFO] [stdout] 123 | insert("grape"); [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: unused `std::result::Result` that must be used [INFO] [stdout] --> src/cookbook/concurrency/explicit_threads/mod.rs:193:3 [INFO] [stdout] | [INFO] [stdout] 193 | img.save("output.png"); [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: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5m 01s [INFO] running `Command { std: "docker" "inspect" "9cc1f75b44c56405feb9be89e1fbf3774b832f09b6b3cf4834bcb0217979f324", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cc1f75b44c56405feb9be89e1fbf3774b832f09b6b3cf4834bcb0217979f324", kill_on_drop: false }` [INFO] [stdout] 9cc1f75b44c56405feb9be89e1fbf3774b832f09b6b3cf4834bcb0217979f324