[INFO] cloning repository https://github.com/celaus/rust-macros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/celaus/rust-macros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-macros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-macros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79d50ba60aa34698cb1a7e982b5e00200c923ce0
[INFO] checking celaus/rust-macros against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-macros" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/celaus/rust-macros on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/celaus/rust-macros
[INFO] finished tweaking git repo https://github.com/celaus/rust-macros
[INFO] tweaked toml for git repo https://github.com/celaus/rust-macros written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/celaus/rust-macros already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] da9cf79e082d2a44ca4c94b69cf11bbb019ac607e5c311efe7f242e7e291d310
[INFO] running `Command { std: "docker" "start" "-a" "da9cf79e082d2a44ca4c94b69cf11bbb019ac607e5c311efe7f242e7e291d310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da9cf79e082d2a44ca4c94b69cf11bbb019ac607e5c311efe7f242e7e291d310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da9cf79e082d2a44ca4c94b69cf11bbb019ac607e5c311efe7f242e7e291d310", kill_on_drop: false }`
[INFO] [stdout] da9cf79e082d2a44ca4c94b69cf11bbb019ac607e5c311efe7f242e7e291d310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae8e4afc9fd6e1943ac1f731da17b5d83eb14ec0e77ef426cb615e59fd87d674
[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" "ae8e4afc9fd6e1943ac1f731da17b5d83eb14ec0e77ef426cb615e59fd87d674", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / macro_rules! calc  {
[INFO] [stdout] 8  | |   (two) => { 1 + 1 };
[INFO] [stdout] 9  | |   (three) => { 1 + 2 }
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / macro_rules! repeat_n_times {
[INFO] [stdout] 13 | |     ($n:expr, $text:expr) => {(0..$n).map(|_| format!("{}", $text)).collect::<Vec<String>>()}
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | / macro_rules! handler {
[INFO] [stdout] 22 | |     ($i: ident, $body: block) => {
[INFO] [stdout] 23 | |         fn $i () -> Response $body
[INFO] [stdout] 24 | |     } 
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::collections::BTreeSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | / macro_rules! set {
[INFO] [stdout] 30 | |  ( $( $item:expr ),* ) => {
[INFO] [stdout] 31 | |         {
[INFO] [stdout] 32 | |             let mut s = BTreeSet::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |     };
[INFO] [stdout] 39 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "ae8e4afc9fd6e1943ac1f731da17b5d83eb14ec0e77ef426cb615e59fd87d674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8e4afc9fd6e1943ac1f731da17b5d83eb14ec0e77ef426cb615e59fd87d674", kill_on_drop: false }`
[INFO] [stdout] ae8e4afc9fd6e1943ac1f731da17b5d83eb14ec0e77ef426cb615e59fd87d674