[INFO] cloning repository https://github.com/BenjaminBrienen/secret_code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenjaminBrienen/secret_code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminBrienen%2Fsecret_code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminBrienen%2Fsecret_code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4c5400b823b18de2902608f38ddad8f01cd3fae
[INFO] checking BenjaminBrienen/secret_code against master#9050733395f7c10560d49f549e022f411fa28cea for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenjaminBrienen%2Fsecret_code" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BenjaminBrienen/secret_code
[INFO] finished tweaking git repo https://github.com/BenjaminBrienen/secret_code
[INFO] tweaked toml for git repo https://github.com/BenjaminBrienen/secret_code written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BenjaminBrienen/secret_code on toolchain 9050733395f7c10560d49f549e022f411fa28cea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BenjaminBrienen/secret_code 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" "+9050733395f7c10560d49f549e022f411fa28cea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a8680348c79d57e47c0e454f7e7682fda4da9ecef0f9df1262cd3c8c07208a1
[INFO] running `Command { std: "docker" "start" "-a" "9a8680348c79d57e47c0e454f7e7682fda4da9ecef0f9df1262cd3c8c07208a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a8680348c79d57e47c0e454f7e7682fda4da9ecef0f9df1262cd3c8c07208a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8680348c79d57e47c0e454f7e7682fda4da9ecef0f9df1262cd3c8c07208a1", kill_on_drop: false }`
[INFO] [stdout] 9a8680348c79d57e47c0e454f7e7682fda4da9ecef0f9df1262cd3c8c07208a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13310a71b9e8ef6ccf16045e9d7512bbd98e2cb8ed69f07690e2099c79f7169e
[INFO] running `Command { std: "docker" "start" "-a" "13310a71b9e8ef6ccf16045e9d7512bbd98e2cb8ed69f07690e2099c79f7169e", kill_on_drop: false }`
[INFO] [stderr]     Checking secret_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_group_by` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_group_by)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_group_by` has been stable since 1.77.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_group_by)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `group_by` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]  --> src/main.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 |     println!("{}", String::from_utf8(buffer.group_by(|byte, _| byte_to_bit(*byte).is_some()).map(|plaintext_byte| plaintext_byte.iter...
[INFO] [stdout]   |                                             ^^^^^^^^ method not found in `Vec<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/main.rs:6:96
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...te_to_bit(*byte).is_some()).map(|plaintext_byte| plaintext_byte.iter().filter(|byte| byte_to_bit(**byte).is_some()).rev().enumerat...
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^  -------------- type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]   |
[INFO] [stdout] 6 |     println!("{}", String::from_utf8(buffer.group_by(|byte, _| byte_to_bit(*byte).is_some()).map(|plaintext_byte: /* Type */| plaintext_byte.iter().filter(|byte| byte_to_bit(**byte).is_some()).rev().enumerate().fold(0, |acc, index_byte| acc + (byte_to_bit(*index_byte.1).unwrap_or(0) << index_byte.0))).collect()).unwrap());
[INFO] [stdout]   |                                                                                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `group_by` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]  --> src/main.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 |     println!("{}", String::from_utf8(buffer.group_by(|byte, _| byte_to_bit(*byte).is_some()).map(|plaintext_byte| plaintext_byte.iter...
[INFO] [stdout]   |                                             ^^^^^^^^ method not found in `Vec<u8>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `secret_code` (bin "secret_code") due to 2 previous errors; 1 warning emitted
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]  --> src/main.rs:6:96
[INFO] [stdout]   |
[INFO] [stdout] 6 | ...te_to_bit(*byte).is_some()).map(|plaintext_byte| plaintext_byte.iter().filter(|byte| byte_to_bit(**byte).is_some()).rev().enumerat...
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^  -------------- type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]   |
[INFO] [stdout] 6 |     println!("{}", String::from_utf8(buffer.group_by(|byte, _| byte_to_bit(*byte).is_some()).map(|plaintext_byte: /* Type */| plaintext_byte.iter().filter(|byte| byte_to_bit(**byte).is_some()).rev().enumerate().fold(0, |acc, index_byte| acc + (byte_to_bit(*index_byte.1).unwrap_or(0) << index_byte.0))).collect()).unwrap());
[INFO] [stdout]   |                                                                                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `secret_code` (bin "secret_code" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "13310a71b9e8ef6ccf16045e9d7512bbd98e2cb8ed69f07690e2099c79f7169e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13310a71b9e8ef6ccf16045e9d7512bbd98e2cb8ed69f07690e2099c79f7169e", kill_on_drop: false }`
[INFO] [stdout] 13310a71b9e8ef6ccf16045e9d7512bbd98e2cb8ed69f07690e2099c79f7169e
