[INFO] cloning repository https://github.com/generalproxy/rustoxy [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/generalproxy/rustoxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeneralproxy%2Frustoxy", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeneralproxy%2Frustoxy'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bb39b38f18352797ae54efc63ed519eef3b3e1d5 [INFO] checking generalproxy/rustoxy against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeneralproxy%2Frustoxy" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/generalproxy/rustoxy on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/generalproxy/rustoxy [INFO] finished tweaking git repo https://github.com/generalproxy/rustoxy [INFO] tweaked toml for git repo https://github.com/generalproxy/rustoxy written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/generalproxy/rustoxy already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tokio-io v0.1.6 [INFO] [stderr] Downloaded byteorder v1.2.2 [INFO] [stderr] Downloaded slab v0.4.0 [INFO] [stderr] Downloaded tokio-executor v0.1.2 [INFO] [stderr] Downloaded tokio-reactor v0.1.1 [INFO] [stderr] Downloaded nodrop v0.1.12 [INFO] [stderr] Downloaded atty v0.2.9 [INFO] [stderr] Downloaded thread_local v0.3.5 [INFO] [stderr] Downloaded ucd-util v0.1.1 [INFO] [stderr] Downloaded crossbeam-utils v0.3.2 [INFO] [stderr] Downloaded humantime v1.1.1 [INFO] [stderr] Downloaded quick-error v1.2.1 [INFO] [stderr] Downloaded serde v1.0.47 [INFO] [stderr] Downloaded rand v0.4.2 [INFO] [stderr] Downloaded crossbeam-epoch v0.4.1 [INFO] [stderr] Downloaded mio v0.6.14 [INFO] [stderr] Downloaded regex v0.2.10 [INFO] [stderr] Downloaded regex-syntax v0.5.5 [INFO] [stderr] Downloaded libc v0.2.40 [INFO] [stderr] Downloaded futures v0.1.21 [INFO] [stderr] Downloaded env_logger v0.5.9 [INFO] [stderr] Downloaded net2 v0.2.32 [INFO] [stderr] Downloaded scoped-tls v0.1.1 [INFO] [stderr] Downloaded tokio-tcp v0.1.0 [INFO] [stderr] Downloaded arrayvec v0.4.7 [INFO] [stderr] Downloaded lazy_static v1.0.0 [INFO] [stderr] Downloaded crossbeam-deque v0.3.0 [INFO] [stderr] Downloaded tokio-udp v0.1.0 [INFO] [stderr] Downloaded bitflags v1.0.2 [INFO] [stderr] Downloaded num_cpus v1.8.0 [INFO] [stderr] Downloaded lazycell v0.6.0 [INFO] [stderr] Downloaded tokio-timer v0.2.1 [INFO] [stderr] Downloaded tokio-threadpool v0.1.2 [INFO] [stderr] Downloaded tokio v0.1.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e62c0abdc656023eb006a313a82091b0860683befee9c0285d22dc921d24467 [INFO] running `Command { std: "docker" "start" "-a" "0e62c0abdc656023eb006a313a82091b0860683befee9c0285d22dc921d24467", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e62c0abdc656023eb006a313a82091b0860683befee9c0285d22dc921d24467", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e62c0abdc656023eb006a313a82091b0860683befee9c0285d22dc921d24467", kill_on_drop: false }` [INFO] [stdout] 0e62c0abdc656023eb006a313a82091b0860683befee9c0285d22dc921d24467 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 981c4b2a4aac05a0f940f029a62ddc6548b117867b3b3d4bce95c2358ab9d55c [INFO] running `Command { std: "docker" "start" "-a" "981c4b2a4aac05a0f940f029a62ddc6548b117867b3b3d4bce95c2358ab9d55c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking futures v0.1.21 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking scoped-tls v0.1.1 [INFO] [stderr] Checking serde v1.0.47 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking regex-syntax v0.5.5 [INFO] [stderr] Checking crossbeam-epoch v0.4.1 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking atty v0.2.9 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking crossbeam-deque v0.3.0 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Checking tokio-threadpool v0.1.2 [INFO] [stderr] Checking tokio-timer v0.2.1 [INFO] [stderr] Checking tokio-reactor v0.1.1 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio-udp v0.1.0 [INFO] [stderr] Checking tokio v0.1.5 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking env_logger v0.5.9 [INFO] [stderr] Checking rustoxy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/utilities.rs:43:20 [INFO] [stdout] | [INFO] [stdout] 43 | let hostname = try!(str::from_utf8(hostname).map_err(|_e| { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/utilities.rs:71:55 [INFO] [stdout] | [INFO] [stdout] 71 | struct Timeout { f:F, m:&'static str, t:TO }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/utilities.rs:43:20 [INFO] [stdout] | [INFO] [stdout] 43 | let hostname = try!(str::from_utf8(hostname).map_err(|_e| { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/utilities.rs:71:55 [INFO] [stdout] | [INFO] [stdout] 71 | struct Timeout { f:F, m:&'static str, t:TO }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | drop(env_logger::init()); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 67 - drop(env_logger::init()); [INFO] [stdout] 67 + let _ = env_logger::init(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | drop(env_logger::init()); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 67 - drop(env_logger::init()); [INFO] [stdout] 67 + let _ = env_logger::init(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.04s [INFO] running `Command { std: "docker" "inspect" "981c4b2a4aac05a0f940f029a62ddc6548b117867b3b3d4bce95c2358ab9d55c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "981c4b2a4aac05a0f940f029a62ddc6548b117867b3b3d4bce95c2358ab9d55c", kill_on_drop: false }` [INFO] [stdout] 981c4b2a4aac05a0f940f029a62ddc6548b117867b3b3d4bce95c2358ab9d55c [INFO] checking generalproxy/rustoxy against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeneralproxy%2Frustoxy" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/generalproxy/rustoxy on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/generalproxy/rustoxy [INFO] finished tweaking git repo https://github.com/generalproxy/rustoxy [INFO] tweaked toml for git repo https://github.com/generalproxy/rustoxy written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/generalproxy/rustoxy already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c81b486dade2ead5d7f65f8d6a23e47f39c01bb920a4e573b49af284f37cbad9 [INFO] running `Command { std: "docker" "start" "-a" "c81b486dade2ead5d7f65f8d6a23e47f39c01bb920a4e573b49af284f37cbad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c81b486dade2ead5d7f65f8d6a23e47f39c01bb920a4e573b49af284f37cbad9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c81b486dade2ead5d7f65f8d6a23e47f39c01bb920a4e573b49af284f37cbad9", kill_on_drop: false }` [INFO] [stdout] c81b486dade2ead5d7f65f8d6a23e47f39c01bb920a4e573b49af284f37cbad9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8032bb3371cfc05045011414d583424e3a60526e54c60e68ad26062748c4bdb4 [INFO] running `Command { std: "docker" "start" "-a" "8032bb3371cfc05045011414d583424e3a60526e54c60e68ad26062748c4bdb4", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.40 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking futures v0.1.21 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Checking lazycell v0.6.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling regex v0.2.10 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking scoped-tls v0.1.1 [INFO] [stderr] Checking termcolor v0.3.6 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Checking crossbeam-utils v0.3.2 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking regex-syntax v0.5.5 [INFO] [stderr] Checking humantime v1.1.1 [INFO] [stderr] Checking serde v1.0.47 [INFO] [stderr] Checking thread_local v0.3.5 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.32 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking atty v0.2.9 [INFO] [stderr] Checking crossbeam-epoch v0.4.1 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking mio v0.6.14 [INFO] [stderr] Checking crossbeam-deque v0.3.0 [INFO] [stderr] Checking tokio-executor v0.1.2 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Checking tokio-threadpool v0.1.2 [INFO] [stderr] Checking tokio-timer v0.2.1 [INFO] [stderr] Checking tokio-reactor v0.1.1 [INFO] [stderr] Checking tokio-udp v0.1.0 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Checking tokio v0.1.5 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking env_logger v0.5.9 [INFO] [stderr] Checking rustoxy v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/utilities.rs:43:20 [INFO] [stdout] | [INFO] [stdout] 43 | let hostname = try!(str::from_utf8(hostname).map_err(|_e| { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/utilities.rs:71:55 [INFO] [stdout] | [INFO] [stdout] 71 | struct Timeout { f:F, m:&'static str, t:TO }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/utilities.rs:43:20 [INFO] [stdout] | [INFO] [stdout] 43 | let hostname = try!(str::from_utf8(hostname).map_err(|_e| { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/utilities.rs:71:55 [INFO] [stdout] | [INFO] [stdout] 71 | struct Timeout { f:F, m:&'static str, t:TO }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | drop(env_logger::init()); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 67 - drop(env_logger::init()); [INFO] [stdout] 67 + let _ = env_logger::init(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing [INFO] [stdout] --> src/main.rs:67:5 [INFO] [stdout] | [INFO] [stdout] 67 | drop(env_logger::init()); [INFO] [stdout] | ^^^^^------------------^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `()` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_copy_types)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 67 - drop(env_logger::init()); [INFO] [stdout] 67 + let _ = env_logger::init(); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s [INFO] running `Command { std: "docker" "inspect" "8032bb3371cfc05045011414d583424e3a60526e54c60e68ad26062748c4bdb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8032bb3371cfc05045011414d583424e3a60526e54c60e68ad26062748c4bdb4", kill_on_drop: false }` [INFO] [stdout] 8032bb3371cfc05045011414d583424e3a60526e54c60e68ad26062748c4bdb4