[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 master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fbittorrent" "/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/Geal/bittorrent on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "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-4-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]     Updating nom v1.0.0-alpha2 -> v1.0.1 (latest: v7.1.3)
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v0.3.9
[INFO] [stderr]   Downloaded nom v1.0.1
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed9ae954216011f30cb0355264b38f31a49de06bed3e7b865a287404604e73c2
[INFO] running `Command { std: "docker" "start" "-a" "ed9ae954216011f30cb0355264b38f31a49de06bed3e7b865a287404604e73c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed9ae954216011f30cb0355264b38f31a49de06bed3e7b865a287404604e73c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9ae954216011f30cb0355264b38f31a49de06bed3e7b865a287404604e73c2", kill_on_drop: false }`
[INFO] [stdout] ed9ae954216011f30cb0355264b38f31a49de06bed3e7b865a287404604e73c2
[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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06159b909b30bed9c4022af702252e462246c203a628cdf5a251af38ddbcaab1
[INFO] running `Command { std: "docker" "start" "-a" "06159b909b30bed9c4022af702252e462246c203a628cdf5a251af38ddbcaab1", 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] error[E0635]: unknown feature `vec_push_all`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test,vec_push_all,drain)]
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `vec_push_all`
[INFO] [stdout]  --> src/main.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test,vec_push_all,drain)]
[INFO] [stdout]   |                 ^^^^^^^^^^^^
[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]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `push` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 v.push(&rest[1..n+1]);
[INFO] [stdout]    |                   ~~~~
[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]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `push` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 v.push(&rest[1..n+1]);
[INFO] [stdout]    |                   ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bittorrent` (bin "bittorrent") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bittorrent` (bin "bittorrent" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "06159b909b30bed9c4022af702252e462246c203a628cdf5a251af38ddbcaab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06159b909b30bed9c4022af702252e462246c203a628cdf5a251af38ddbcaab1", kill_on_drop: false }`
[INFO] [stdout] 06159b909b30bed9c4022af702252e462246c203a628cdf5a251af38ddbcaab1