[INFO] cloning repository https://github.com/twendtland/rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twendtland/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwendtland%2Frust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwendtland%2Frust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9ef0b8b8afb2c674d7dd6c0b4038b6510ce60b4f [INFO] checking twendtland/rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwendtland%2Frust" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/twendtland/rust 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/twendtland/rust [INFO] finished tweaking git repo https://github.com/twendtland/rust [INFO] tweaked toml for git repo https://github.com/twendtland/rust written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/twendtland/rust 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded smallvec v0.6.8 [INFO] [stderr] Downloaded nickel v0.11.0 [INFO] [stderr] Downloaded groupable v0.2.0 [INFO] [stderr] Downloaded safemem v0.3.0 [INFO] [stderr] Downloaded hyper v0.10.15 [INFO] [stderr] Downloaded mustache v0.9.0 [INFO] [stderr] Downloaded ws v0.7.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ee5f6058a38a8a4aac062a9033f004c0cc452f66fc706bec292178e4ba7d99c6 [INFO] running `Command { std: "docker" "start" "-a" "ee5f6058a38a8a4aac062a9033f004c0cc452f66fc706bec292178e4ba7d99c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee5f6058a38a8a4aac062a9033f004c0cc452f66fc706bec292178e4ba7d99c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee5f6058a38a8a4aac062a9033f004c0cc452f66fc706bec292178e4ba7d99c6", kill_on_drop: false }` [INFO] [stdout] ee5f6058a38a8a4aac062a9033f004c0cc452f66fc706bec292178e4ba7d99c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 93d072c9121a250c5e999128298b3884f773d2af5760c42a4b0cb0cd80e74ad7 [INFO] running `Command { std: "docker" "start" "-a" "93d072c9121a250c5e999128298b3884f773d2af5760c42a4b0cb0cd80e74ad7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling serde v1.0.87 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking smallvec v0.6.8 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.5 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking groupable v0.2.0 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking hyper v0.10.15 [INFO] [stderr] Checking ws v0.7.9 [INFO] [stderr] Checking mustache v0.9.0 [INFO] [stderr] Checking serde_json v1.0.38 [INFO] [stderr] Checking nickel v0.11.0 [INFO] [stderr] Checking blackbyrd v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CloseCode`, `Handler`, `Message`, `Result`, `Sender`, `listen` [INFO] [stdout] --> src/main.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | use ws::{listen, CloseCode, Sender, Handler, Message, Result}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ ^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CloseCode`, `Handler`, `Message`, `Result`, `Sender`, `listen` [INFO] [stdout] --> src/main.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | use ws::{listen, CloseCode, Sender, Handler, Message, Result}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ ^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.97s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 6` [INFO] running `Command { std: "docker" "inspect" "93d072c9121a250c5e999128298b3884f773d2af5760c42a4b0cb0cd80e74ad7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93d072c9121a250c5e999128298b3884f773d2af5760c42a4b0cb0cd80e74ad7", kill_on_drop: false }` [INFO] [stdout] 93d072c9121a250c5e999128298b3884f773d2af5760c42a4b0cb0cd80e74ad7 [INFO] checking twendtland/rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwendtland%2Frust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/twendtland/rust on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/twendtland/rust [INFO] finished tweaking git repo https://github.com/twendtland/rust [INFO] tweaked toml for git repo https://github.com/twendtland/rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/twendtland/rust 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 173bd03bad1c308d01f7387eae2575019b6860fdeaacf6754982944e0644f32a [INFO] running `Command { std: "docker" "start" "-a" "173bd03bad1c308d01f7387eae2575019b6860fdeaacf6754982944e0644f32a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "173bd03bad1c308d01f7387eae2575019b6860fdeaacf6754982944e0644f32a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "173bd03bad1c308d01f7387eae2575019b6860fdeaacf6754982944e0644f32a", kill_on_drop: false }` [INFO] [stdout] 173bd03bad1c308d01f7387eae2575019b6860fdeaacf6754982944e0644f32a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f2240299d0115d8717bb2bea578c5c109f480fe3983c1d040c9a68155a1a699a [INFO] running `Command { std: "docker" "start" "-a" "f2240299d0115d8717bb2bea578c5c109f480fe3983c1d040c9a68155a1a699a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling serde v1.0.87 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking safemem v0.3.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Checking smallvec v0.6.8 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Checking regex-syntax v0.6.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking plugin v0.2.6 [INFO] [stderr] Checking groupable v0.2.0 [INFO] [stderr] Checking modifier v0.1.0 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking mime v0.2.6 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.10.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking hyper v0.10.15 [INFO] [stderr] Checking ws v0.7.9 [INFO] [stderr] Checking mustache v0.9.0 [INFO] [stderr] Checking serde_json v1.0.38 [INFO] [stderr] Checking nickel v0.11.0 [INFO] [stderr] Checking blackbyrd v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CloseCode`, `Handler`, `Message`, `Result`, `Sender`, `listen` [INFO] [stdout] --> src/main.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | use ws::{listen, CloseCode, Sender, Handler, Message, Result}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ ^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `CloseCode`, `Handler`, `Message`, `Result`, `Sender`, `listen` [INFO] [stdout] --> src/main.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | use ws::{listen, CloseCode, Sender, Handler, Message, Result}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ ^^^^^^ ^^^^^^^ ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.85s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5` [INFO] running `Command { std: "docker" "inspect" "f2240299d0115d8717bb2bea578c5c109f480fe3983c1d040c9a68155a1a699a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2240299d0115d8717bb2bea578c5c109f480fe3983c1d040c9a68155a1a699a", kill_on_drop: false }` [INFO] [stdout] f2240299d0115d8717bb2bea578c5c109f480fe3983c1d040c9a68155a1a699a