[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#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgeneralproxy%2Frustoxy" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/generalproxy/rustoxy on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "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-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-timer v0.2.1
[INFO] [stderr]   Downloaded bitflags v1.0.2
[INFO] [stderr]   Downloaded env_logger v0.5.9
[INFO] [stderr]   Downloaded atty v0.2.9
[INFO] [stderr]   Downloaded byteorder v1.2.2
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.2
[INFO] [stderr]   Downloaded tokio v0.1.5
[INFO] [stderr]   Downloaded regex-syntax v0.5.5
[INFO] [stderr]   Downloaded serde v1.0.47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e24389548f955473ea376212cd0d65035a7fe6e296da3c0042a85b273bfe3f7b
[INFO] running `Command { std: "docker" "start" "-a" "e24389548f955473ea376212cd0d65035a7fe6e296da3c0042a85b273bfe3f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e24389548f955473ea376212cd0d65035a7fe6e296da3c0042a85b273bfe3f7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24389548f955473ea376212cd0d65035a7fe6e296da3c0042a85b273bfe3f7b", kill_on_drop: false }`
[INFO] [stdout] e24389548f955473ea376212cd0d65035a7fe6e296da3c0042a85b273bfe3f7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5d63c4fb7c810a2fd57c79169c286ec47a1fb8cf21f65be02ffc3542ced0673
[INFO] running `Command { std: "docker" "start" "-a" "f5d63c4fb7c810a2fd57c79169c286ec47a1fb8cf21f65be02ffc3542ced0673", kill_on_drop: false }`
[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 slab v0.4.0
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[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 utf8-ranges v1.0.0
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking scoped-tls v0.1.1
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking serde v1.0.47
[INFO] [stderr]     Checking regex-syntax v0.5.5
[INFO] [stderr]     Checking thread_local v0.3.5
[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 num_cpus v1.8.0
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking rand v0.4.2
[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,TO> { 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,TO> { 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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[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: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.57s
[INFO] running `Command { std: "docker" "inspect" "f5d63c4fb7c810a2fd57c79169c286ec47a1fb8cf21f65be02ffc3542ced0673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d63c4fb7c810a2fd57c79169c286ec47a1fb8cf21f65be02ffc3542ced0673", kill_on_drop: false }`
[INFO] [stdout] f5d63c4fb7c810a2fd57c79169c286ec47a1fb8cf21f65be02ffc3542ced0673