[INFO] cloning repository https://github.com/hank-der-hafenarbeiter/Rust-Shannon-Fano
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hank-der-hafenarbeiter/Rust-Shannon-Fano" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhank-der-hafenarbeiter%2FRust-Shannon-Fano", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhank-der-hafenarbeiter%2FRust-Shannon-Fano'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e0ac514158b1fedea8336ce35ab5bb2a9e7f7c4
[INFO] checking hank-der-hafenarbeiter/Rust-Shannon-Fano against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhank-der-hafenarbeiter%2FRust-Shannon-Fano" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hank-der-hafenarbeiter/Rust-Shannon-Fano 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/hank-der-hafenarbeiter/Rust-Shannon-Fano
[INFO] finished tweaking git repo https://github.com/hank-der-hafenarbeiter/Rust-Shannon-Fano
[INFO] tweaked toml for git repo https://github.com/hank-der-hafenarbeiter/Rust-Shannon-Fano written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hank-der-hafenarbeiter/Rust-Shannon-Fano 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]  Downloading crates ...
[INFO] [stderr]   Downloaded crossbeam v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] d3978ab75503b14f471d80cf0a3881ece78c63b9ed6c943db2398998cd676737
[INFO] running `Command { std: "docker" "start" "-a" "d3978ab75503b14f471d80cf0a3881ece78c63b9ed6c943db2398998cd676737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3978ab75503b14f471d80cf0a3881ece78c63b9ed6c943db2398998cd676737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3978ab75503b14f471d80cf0a3881ece78c63b9ed6c943db2398998cd676737", kill_on_drop: false }`
[INFO] [stdout] d3978ab75503b14f471d80cf0a3881ece78c63b9ed6c943db2398998cd676737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5d0b7d6524ba4e632d3e909122c99109b179f11d46bb509b3394e2d9cae2d752
[INFO] running `Command { std: "docker" "start" "-a" "5d0b7d6524ba4e632d3e909122c99109b179f11d46bb509b3394e2d9cae2d752", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking libc v0.2.7
[INFO] [stderr]     Checking winapi v0.2.5
[INFO] [stderr]     Checking crossbeam v0.2.8
[INFO] [stderr]    Compiling kernel32-sys v0.2.1
[INFO] [stderr]     Checking rand v0.3.14
[INFO] [stderr]     Checking time v0.1.34
[INFO] [stderr]     Checking SFCodec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `append` found for struct `BinVec` in the current scope
[INFO] [stdout]   --> src/sfcodec.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 output.append(thread.join());
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/binvec.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct BinVec {
[INFO] [stdout]    | ----------------- method `append` not found for this struct
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `append_byte` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 output.append_byte(thread.join());
[INFO] [stdout]    |                        ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `append` found for struct `BinVec` in the current scope
[INFO] [stdout]   --> src/sfcodec.rs:83:24
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 output.append(thread.join());
[INFO] [stdout]    |                        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/binvec.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct BinVec {
[INFO] [stdout]    | ----------------- method `append` not found for this struct
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `append_byte` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 83 |                 output.append_byte(thread.join());
[INFO] [stdout]    |                        ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `append` found for struct `BinVec` in the current scope
[INFO] [stdout]   --> src/sfcodec.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |             output.append(t_result); 
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/binvec.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct BinVec {
[INFO] [stdout]    | ----------------- method `append` not found for this struct
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `append_byte` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 86 |             output.append_byte(t_result); 
[INFO] [stdout]    |                    ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `append` found for struct `BinVec` in the current scope
[INFO] [stdout]   --> src/sfcodec.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |             output.append(t_result); 
[INFO] [stdout]    |                    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/binvec.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct BinVec {
[INFO] [stdout]    | ----------------- method `append` not found for this struct
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `append_byte` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 86 |             output.append_byte(t_result); 
[INFO] [stdout]    |                    ~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `SFCodec` (bin "SFCodec") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `SFCodec` (bin "SFCodec" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "5d0b7d6524ba4e632d3e909122c99109b179f11d46bb509b3394e2d9cae2d752", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d0b7d6524ba4e632d3e909122c99109b179f11d46bb509b3394e2d9cae2d752", kill_on_drop: false }`
[INFO] [stdout] 5d0b7d6524ba4e632d3e909122c99109b179f11d46bb509b3394e2d9cae2d752