[INFO] cloning repository https://github.com/Geal/bittorrent [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Geal/bittorrent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fbittorrent", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fbittorrent'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 58bb68c986abe081dbc12f7a7d6be3bd1cb9aef6 [INFO] testing Geal/bittorrent against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fbittorrent" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Geal/bittorrent on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Geal/bittorrent [INFO] finished tweaking git repo https://github.com/Geal/bittorrent [INFO] tweaked toml for git repo https://github.com/Geal/bittorrent written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/Geal/bittorrent already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nom v1.0.1 [INFO] [stderr] Downloaded sha1 v0.1.1 [INFO] [stderr] Downloaded byteorder v0.3.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1621a5bfcb140eb740cbbd63f6607baa884344236dffbc759799c55315427d2 [INFO] running `Command { std: "docker" "start" "-a" "a1621a5bfcb140eb740cbbd63f6607baa884344236dffbc759799c55315427d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1621a5bfcb140eb740cbbd63f6607baa884344236dffbc759799c55315427d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1621a5bfcb140eb740cbbd63f6607baa884344236dffbc759799c55315427d2", kill_on_drop: false }` [INFO] [stdout] a1621a5bfcb140eb740cbbd63f6607baa884344236dffbc759799c55315427d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 19e741eadde3e6bf55475e0fa82b408676606a8bb9405bfd527ed5fb79bc667e [INFO] running `Command { std: "docker" "start" "-a" "19e741eadde3e6bf55475e0fa82b408676606a8bb9405bfd527ed5fb79bc667e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling byteorder v0.3.9 [INFO] [stderr] Compiling nom v1.0.1 [INFO] [stderr] Compiling sha1 v0.1.1 [INFO] [stderr] Compiling bittorrent v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(test,vec_push_all,drain)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:75:20 [INFO] [stdout] | [INFO] [stdout] 75 | named!(list<&[u8], (Vec)>, chain!( [INFO] [stdout] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:83:26 [INFO] [stdout] | [INFO] [stdout] 83 | named!(helper<&[u8], (Vec<(Vec, Bencode)>)>, chain!( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/main.rs:108:22 [INFO] [stdout] | [INFO] [stdout] 108 | named!(hashes<&[u8], (Vec)>, many0!(chain!( [INFO] [stdout] | ^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `push_all` found for struct `Vec<_>` in the current scope [INFO] [stdout] --> src/main.rs:61:19 [INFO] [stdout] | [INFO] [stdout] 61 | v.push_all(&rest[1..n+1]); [INFO] [stdout] | ^^^^^^^^ method not found in `Vec<_>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `bittorrent` due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "19e741eadde3e6bf55475e0fa82b408676606a8bb9405bfd527ed5fb79bc667e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19e741eadde3e6bf55475e0fa82b408676606a8bb9405bfd527ed5fb79bc667e", kill_on_drop: false }` [INFO] [stdout] 19e741eadde3e6bf55475e0fa82b408676606a8bb9405bfd527ed5fb79bc667e