[INFO] cloning repository https://github.com/ymgyt/proconio-handson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ymgyt/proconio-handson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Fproconio-handson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Fproconio-handson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f340cf330d9976566f4eced5674d8d52d27965d8
[INFO] testing ymgyt/proconio-handson against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fymgyt%2Fproconio-handson" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ymgyt/proconio-handson on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ymgyt/proconio-handson
[INFO] finished tweaking git repo https://github.com/ymgyt/proconio-handson
[INFO] tweaked toml for git repo https://github.com/ymgyt/proconio-handson written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/ymgyt/proconio-handson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab72e4ce53b0b332dc094d644b6b23b26a111e1889d039f082d9f99e02b8786f
[INFO] running `Command { std: "docker" "start" "-a" "ab72e4ce53b0b332dc094d644b6b23b26a111e1889d039f082d9f99e02b8786f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab72e4ce53b0b332dc094d644b6b23b26a111e1889d039f082d9f99e02b8786f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab72e4ce53b0b332dc094d644b6b23b26a111e1889d039f082d9f99e02b8786f", kill_on_drop: false }`
[INFO] [stdout] ab72e4ce53b0b332dc094d644b6b23b26a111e1889d039f082d9f99e02b8786f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17b41bd6e0c9f4a9dec882fa3a86315d66be35f95b83eb32c3b90ab4f887c408
[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" "17b41bd6e0c9f4a9dec882fa3a86315d66be35f95b83eb32c3b90ab4f887c408", kill_on_drop: false }`
[INFO] [stderr]    Compiling proconio-handson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] note: trace_macro
[INFO] [stdout]    --> src/main.rs:370:5
[INFO] [stdout]     |
[INFO] [stdout] 370 | /     input! {
[INFO] [stdout] 371 | |         from source,
[INFO] [stdout] 372 | |         n: usize,
[INFO] [stdout] 373 | |         ts: [(i8, String); n],
[INFO] [stdout] 374 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expanding `input! { from source, n : usize, ts : [(i8, String) ; n], }`
[INFO] [stdout]     = note: to `let mut s = source ; input!
[INFO] [stdout]             { @ from [& mut s] @ rest n : usize, ts : [(i8, String) ; n], }`
[INFO] [stdout]     = note: expanding `input! { @ from [& mut s] @ rest n : usize, ts : [(i8, String) ; n], }`
[INFO] [stdout]     = note: to `input! { @ from [&mut s] @ mut [] @ rest n : usize, ts : [(i8, String) ; n], }`
[INFO] [stdout]     = note: expanding `input! { @ from [&mut s] @ mut [] @ rest n : usize, ts : [(i8, String) ; n], }`
[INFO] [stdout]     = note: to `input!
[INFO] [stdout]             {
[INFO] [stdout]                 @ from [&mut s] @ mut [] @ var n @ kind [] @ rest usize, ts :
[INFO] [stdout]                 [(i8, String) ; n],
[INFO] [stdout]             }`
[INFO] [stdout]     = note: expanding `input! { @ from [&mut s] @ mut [] @ var n @ kind [] @ rest usize, ts :
[INFO] [stdout]             [(i8, String) ; n], }`
[INFO] [stdout]     = note: to `input!
[INFO] [stdout]             (@ from [&mut s] @ mut [] @ var n @ kind [usize] @ rest, ts :
[INFO] [stdout]             [(i8, String) ; n],) ;`
[INFO] [stdout]     = note: expanding `input! { @ from [&mut s] @ mut [] @ var n @ kind [usize] @ rest, ts :
[INFO] [stdout]             [(i8, String) ; n], }`
[INFO] [stdout]     = note: to `input! (@ from [&mut s] @ mut [] @ var n @ kind [usize] @ rest) ; input!
[INFO] [stdout]             (@ from [&mut s] @ rest ts : [(i8, String) ; n],) ;`
[INFO] [stdout]     = note: expanding `input! { @ from [&mut s] @ mut [] @ var n @ kind [usize] @ rest }`
[INFO] [stdout]     = note: to `let n = read_value! (@ source [&mut s] @ kind [usize]) ;`
[INFO] [stdout]     = note: expanding `read_value! { @ source [&mut s] @ kind [usize] }`
[INFO] [stdout]     = note: to `< usize as Readable > :: read(&mut s)`
[INFO] [stdout]     = note: expanding `input! { @ from [&mut s] @ rest ts : [(i8, String) ; n], }`
[INFO] [stdout]     = note: to `input! { @ from [&mut s] @ mut [] @ rest ts : [(i8, String) ; n], }`
[INFO] [stdout]     = note: expanding `input! { @ from [&mut s] @ mut [] @ rest ts : [(i8, String) ; n], }`
[INFO] [stdout]     = note: to `input!
[INFO] [stdout]             { @ from [&mut s] @ mut [] @ var ts @ kind [] @ rest [(i8, String) ; n], }`
[INFO] [stdout]     = note: expanding `input! { @ from [&mut s] @ mut [] @ var ts @ kind [] @ rest [(i8, String) ; n], }`
[INFO] [stdout]     = note: to `input! (@ from [&mut s] @ mut [] @ var ts @ kind [[(i8, String) ; n]] @ rest,)
[INFO] [stdout]             ;`
[INFO] [stdout]     = note: expanding `input! { @ from [&mut s] @ mut [] @ var ts @ kind [[(i8, String) ; n]] @ rest, }`
[INFO] [stdout]     = note: to `input! (@ from [&mut s] @ mut [] @ var ts @ kind [[(i8, String) ; n]] @ rest)
[INFO] [stdout]             ; input! (@ from [&mut s] @ rest) ;`
[INFO] [stdout]     = note: expanding `input! { @ from [&mut s] @ mut [] @ var ts @ kind [[(i8, String) ; n]] @ rest }`
[INFO] [stdout]     = note: to `let ts = read_value! (@ source [&mut s] @ kind [[(i8, String) ; n]]) ;`
[INFO] [stdout]     = note: expanding `read_value! { @ source [&mut s] @ kind [[(i8, String) ; n]] }`
[INFO] [stdout]     = note: to `read_value! (@ array @ source [&mut s] @ kind [] @ rest(i8, String) ; n)`
[INFO] [stdout]     = note: expanding `read_value! { @ array @ source [&mut s] @ kind [] @ rest(i8, String) ; n }`
[INFO] [stdout]     = note: to `read_value! (@ array @ source [&mut s] @ kind [(i8, String)] @ rest ; n)`
[INFO] [stdout]     = note: expanding `read_value! { @ array @ source [&mut s] @ kind [(i8, String)] @ rest ; n }`
[INFO] [stdout]     = note: to `read_value! (@ array @ source [&mut s] @ kind [(i8, String)] @ len [n])`
[INFO] [stdout]     = note: expanding `read_value! { @ array @ source [&mut s] @ kind [(i8, String)] @ len [n] }`
[INFO] [stdout]     = note: to `{
[INFO] [stdout]                 let len = n ;
[INFO] [stdout]                 (0 ..
[INFO] [stdout]                 len).map(| _ | read_value!
[INFO] [stdout]                 (@ source [&mut s] @ kind [(i8, String)])).collect :: < Vec < _ >> ()
[INFO] [stdout]             }`
[INFO] [stdout]     = note: expanding `read_value! { @ source [&mut s] @ kind [(i8, String)] }`
[INFO] [stdout]     = note: to `read_value!
[INFO] [stdout]             (@ tuple @ source [&mut s] @ kinds [] @ current [] @ rest i8, String)`
[INFO] [stdout]     = note: expanding `read_value! { @ tuple @ source [&mut s] @ kinds [] @ current [] @ rest i8, String }`
[INFO] [stdout]     = note: to `read_value!
[INFO] [stdout]             (@ tuple @ source [&mut s] @ kinds [] @ current [i8] @ rest, String)`
[INFO] [stdout]     = note: expanding `read_value! { @ tuple @ source [&mut s] @ kinds [] @ current [i8] @ rest, String }`
[INFO] [stdout]     = note: to `read_value!
[INFO] [stdout]             (@ tuple @ source [&mut s] @ kinds [[i8]] @ current [] @ rest String)`
[INFO] [stdout]     = note: expanding `read_value! { @ tuple @ source [&mut s] @ kinds [[i8]] @ current [] @ rest String }`
[INFO] [stdout]     = note: to `read_value!
[INFO] [stdout]             (@ tuple @ source [&mut s] @ kinds [[i8]] @ current [String] @ rest)`
[INFO] [stdout]     = note: expanding `read_value! { @ tuple @ source [&mut s] @ kinds [[i8]] @ current [String] @ rest }`
[INFO] [stdout]     = note: to `read_value!
[INFO] [stdout]             (@ tuple @ source [&mut s] @ kinds [[i8] [String]] @ current [] @ rest)`
[INFO] [stdout]     = note: expanding `read_value! { @ tuple @ source [&mut s] @ kinds [[i8] [String]] @ current [] @ rest }`
[INFO] [stdout]     = note: to `(read_value! (@ source [&mut s] @ kind [i8]), read_value!
[INFO] [stdout]             (@ source [&mut s] @ kind [String]),)`
[INFO] [stdout]     = note: expanding `read_value! { @ source [&mut s] @ kind [i8] }`
[INFO] [stdout]     = note: to `< i8 as Readable > :: read(&mut s)`
[INFO] [stdout]     = note: expanding `read_value! { @ source [&mut s] @ kind [String] }`
[INFO] [stdout]     = note: to `< String as Readable > :: read(&mut s)`
[INFO] [stdout]     = note: expanding `input! { @ from [&mut s] @ rest }`
[INFO] [stdout]     = note: to ``
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trace_macros)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proconio-handson` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "17b41bd6e0c9f4a9dec882fa3a86315d66be35f95b83eb32c3b90ab4f887c408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b41bd6e0c9f4a9dec882fa3a86315d66be35f95b83eb32c3b90ab4f887c408", kill_on_drop: false }`
[INFO] [stdout] 17b41bd6e0c9f4a9dec882fa3a86315d66be35f95b83eb32c3b90ab4f887c408