[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] checking Geal/bittorrent against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fbittorrent" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Geal/bittorrent on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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-1/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 byteorder v0.3.9
[INFO] [stderr]   Downloaded sha1 v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58ffcaab2595545ea7c2dc4b0ffba156537b36b759450bc6aedfc86a95cec3e2
[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" "58ffcaab2595545ea7c2dc4b0ffba156537b36b759450bc6aedfc86a95cec3e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58ffcaab2595545ea7c2dc4b0ffba156537b36b759450bc6aedfc86a95cec3e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58ffcaab2595545ea7c2dc4b0ffba156537b36b759450bc6aedfc86a95cec3e2", kill_on_drop: false }`
[INFO] [stdout] 58ffcaab2595545ea7c2dc4b0ffba156537b36b759450bc6aedfc86a95cec3e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e25639d84084b1ec14250977baaebfee2861320967e6dd36606af63bcdd01ba7
[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" "e25639d84084b1ec14250977baaebfee2861320967e6dd36606af63bcdd01ba7", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v0.3.9
[INFO] [stderr]     Checking nom v1.0.1
[INFO] [stderr]     Checking sha1 v0.1.1
[INFO] [stderr]     Checking bittorrent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 | named!(list<&[u8], (Vec<Bencode>)>, 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<u8>, 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<Hash>)>, many0!(chain!(
[INFO] [stdout]     |                      ^^^^^^^^^^^ help: remove these parentheses
[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<Bencode>)>, 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<u8>, 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<Hash>)>, 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 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bittorrent`
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] 
[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] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e25639d84084b1ec14250977baaebfee2861320967e6dd36606af63bcdd01ba7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25639d84084b1ec14250977baaebfee2861320967e6dd36606af63bcdd01ba7", kill_on_drop: false }`
[INFO] [stdout] e25639d84084b1ec14250977baaebfee2861320967e6dd36606af63bcdd01ba7