[INFO] cloning repository https://github.com/sharms/advent-of-code-2020-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sharms/advent-of-code-2020-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharms%2Fadvent-of-code-2020-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharms%2Fadvent-of-code-2020-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1b925a6b9e322c39e48147f0e2a6d6a9a96bbd7
[INFO] checking sharms/advent-of-code-2020-rs against try#84addd32a13fa2d3f62fe5d99031611147b7fb13 for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharms%2Fadvent-of-code-2020-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sharms/advent-of-code-2020-rs
[INFO] finished tweaking git repo https://github.com/sharms/advent-of-code-2020-rs
[INFO] tweaked toml for git repo https://github.com/sharms/advent-of-code-2020-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sharms/advent-of-code-2020-rs on toolchain 84addd32a13fa2d3f62fe5d99031611147b7fb13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sharms/advent-of-code-2020-rs 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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking sharms/advent-of-code-2020-rs against try#84addd32a13fa2d3f62fe5d99031611147b7fb13 for pr-147565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharms%2Fadvent-of-code-2020-rs" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sharms/advent-of-code-2020-rs
[INFO] finished tweaking git repo https://github.com/sharms/advent-of-code-2020-rs
[INFO] tweaked toml for git repo https://github.com/sharms/advent-of-code-2020-rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sharms/advent-of-code-2020-rs on toolchain 84addd32a13fa2d3f62fe5d99031611147b7fb13
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sharms/advent-of-code-2020-rs 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" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f360e7021ab84c49388cc07ed999b65aa177ebf2c3007d6b7f7fb3a3a3082799
[INFO] running `Command { std: "docker" "start" "-a" "f360e7021ab84c49388cc07ed999b65aa177ebf2c3007d6b7f7fb3a3a3082799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f360e7021ab84c49388cc07ed999b65aa177ebf2c3007d6b7f7fb3a3a3082799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f360e7021ab84c49388cc07ed999b65aa177ebf2c3007d6b7f7fb3a3a3082799", kill_on_drop: false }`
[INFO] [stdout] f360e7021ab84c49388cc07ed999b65aa177ebf2c3007d6b7f7fb3a3a3082799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+84addd32a13fa2d3f62fe5d99031611147b7fb13" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e860280fc5c1934a007d4516857e676a345202373f7dc5a9ea1424ea1045c40a
[INFO] running `Command { std: "docker" "start" "-a" "e860280fc5c1934a007d4516857e676a345202373f7dc5a9ea1424ea1045c40a", kill_on_drop: false }`
[INFO] [stderr]     Checking part1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Write`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Write, BufReader, BufRead, Error, ErrorKind};
[INFO] [stdout]   |               ^^^^^                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrorKind` and `Write`
[INFO] [stdout]  --> src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{Write, BufReader, BufRead, Error, ErrorKind};
[INFO] [stdout]   |               ^^^^^                             ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `std::io::Error`
[INFO] [stdout]  --> src/main.rs:9:77
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let v: Vec<i64> = buffer.lines().map(|l| l.and_then(|v| v.parse::<i64>()?)).collect()?;
[INFO] [stdout]   |                                                               --------------^ the trait `From<ParseIntError>` is not implemented for `std::io::Error`
[INFO] [stdout]   |                                                               |
[INFO] [stdout]   |                                                               this can't be annotated with `?` because it has type `Result<_, ParseIntError>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]   = help: the following other types implement trait `From<T>`:
[INFO] [stdout]             `std::io::Error` implements `From<ErrorKind>`
[INFO] [stdout]             `std::io::Error` implements `From<IntoInnerError<W>>`
[INFO] [stdout]             `std::io::Error` implements `From<NulError>`
[INFO] [stdout]             `std::io::Error` implements `From<TryReserveError>`
[INFO] [stdout]             `std::io::Error` implements `From<std::fs::TryLockError>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `std::io::Error`
[INFO] [stdout]  --> src/main.rs:9:77
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let v: Vec<i64> = buffer.lines().map(|l| l.and_then(|v| v.parse::<i64>()?)).collect()?;
[INFO] [stdout]   |                                                               --------------^ the trait `From<ParseIntError>` is not implemented for `std::io::Error`
[INFO] [stdout]   |                                                               |
[INFO] [stdout]   |                                                               this can't be annotated with `?` because it has type `Result<_, ParseIntError>`
[INFO] [stdout]   |
[INFO] [stdout]   = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]   = help: the following other types implement trait `From<T>`:
[INFO] [stdout]             `std::io::Error` implements `From<ErrorKind>`
[INFO] [stdout]             `std::io::Error` implements `From<IntoInnerError<W>>`
[INFO] [stdout]             `std::io::Error` implements `From<NulError>`
[INFO] [stdout]             `std::io::Error` implements `From<TryReserveError>`
[INFO] [stdout]             `std::io::Error` implements `From<std::fs::TryLockError>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]  --> src/main.rs:9:61
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let v: Vec<i64> = buffer.lines().map(|l| l.and_then(|v| v.parse::<i64>()?)).collect()?;
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^ expected `Result<_, Error>`, found `i64`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `?` operator cannot convert from `i64` to `Result<_, std::io::Error>`
[INFO] [stdout]   = note: expected enum `Result<_, std::io::Error>`
[INFO] [stdout]              found type `i64`
[INFO] [stdout] note: return type inferred to be `Result<_, std::io::Error>` here
[INFO] [stdout]  --> src/main.rs:9:61
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let v: Vec<i64> = buffer.lines().map(|l| l.and_then(|v| v.parse::<i64>()?)).collect()?;
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try wrapping the expression in `Ok`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let v: Vec<i64> = buffer.lines().map(|l| l.and_then(|v| Ok(v.parse::<i64>()?))).collect()?;
[INFO] [stdout]   |                                                             +++                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: `?` operator has incompatible types
[INFO] [stdout]  --> src/main.rs:9:61
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let v: Vec<i64> = buffer.lines().map(|l| l.and_then(|v| v.parse::<i64>()?)).collect()?;
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^ expected `Result<_, Error>`, found `i64`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `?` operator cannot convert from `i64` to `Result<_, std::io::Error>`
[INFO] [stdout]   = note: expected enum `Result<_, std::io::Error>`
[INFO] [stdout]              found type `i64`
[INFO] [stdout] note: return type inferred to be `Result<_, std::io::Error>` here
[INFO] [stdout]  --> src/main.rs:9:61
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let v: Vec<i64> = buffer.lines().map(|l| l.and_then(|v| v.parse::<i64>()?)).collect()?;
[INFO] [stdout]   |                                                             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try wrapping the expression in `Ok`
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let v: Vec<i64> = buffer.lines().map(|l| l.and_then(|v| Ok(v.parse::<i64>()?))).collect()?;
[INFO] [stdout]   |                                                             +++                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `part1` (bin "part1") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `part1` (bin "part1" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e860280fc5c1934a007d4516857e676a345202373f7dc5a9ea1424ea1045c40a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e860280fc5c1934a007d4516857e676a345202373f7dc5a9ea1424ea1045c40a", kill_on_drop: false }`
[INFO] [stdout] e860280fc5c1934a007d4516857e676a345202373f7dc5a9ea1424ea1045c40a
