[INFO] cloning repository https://github.com/badboy/small-step-simple-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/badboy/small-step-simple-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fsmall-step-simple-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fsmall-step-simple-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31434807da02bff7ef9d5ff8d8af259bd8946ff9
[INFO] testing badboy/small-step-simple-rust against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbadboy%2Fsmall-step-simple-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/badboy/small-step-simple-rust on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/badboy/small-step-simple-rust
[INFO] finished tweaking git repo https://github.com/badboy/small-step-simple-rust
[INFO] tweaked toml for git repo https://github.com/badboy/small-step-simple-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/badboy/small-step-simple-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 58d11afecc5baccd814fa4bf453d539b8d75d2572cab122776c0f4767409163c
[INFO] running `Command { std: "docker" "start" "-a" "58d11afecc5baccd814fa4bf453d539b8d75d2572cab122776c0f4767409163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d11afecc5baccd814fa4bf453d539b8d75d2572cab122776c0f4767409163c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d11afecc5baccd814fa4bf453d539b8d75d2572cab122776c0f4767409163c", kill_on_drop: false }`
[INFO] [stdout] 58d11afecc5baccd814fa4bf453d539b8d75d2572cab122776c0f4767409163c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c98b3a04b2f956d69faf870f46e8fb87de6a5c99340290f6a7599794ebc9ed84
[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" "c98b3a04b2f956d69faf870f46e8fb87de6a5c99340290f6a7599794ebc9ed84", kill_on_drop: false }`
[INFO] [stderr]    Compiling small_step_simple v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(box_syntax,box_patterns)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:69:1
[INFO] [stdout]    |
[INFO] [stdout] 69 | / macro_rules! number(
[INFO] [stdout] 70 | |     ($val:expr) => (
[INFO] [stdout] 71 | |         box Element::Number($val)
[INFO] [stdout] 72 | |     );
[INFO] [stdout] 73 | | );
[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:74:1
[INFO] [stdout]    |
[INFO] [stdout] 74 | / macro_rules! add(
[INFO] [stdout] 75 | |     ($l:expr, $r:expr) => (
[INFO] [stdout] 76 | |         box Element::Add($l, $r)
[INFO] [stdout] 77 | |     )
[INFO] [stdout] 78 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:79:1
[INFO] [stdout]    |
[INFO] [stdout] 79 | / macro_rules! multiply(
[INFO] [stdout] 80 | |     ($l:expr, $r:expr) => (
[INFO] [stdout] 81 | |         box Element::Multiply($l, $r)
[INFO] [stdout] 82 | |     )
[INFO] [stdout] 83 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:84:1
[INFO] [stdout]    |
[INFO] [stdout] 84 | / macro_rules! boolean(
[INFO] [stdout] 85 | |     ($val:expr) => (
[INFO] [stdout] 86 | |         box Element::Boolean($val)
[INFO] [stdout] 87 | |     )
[INFO] [stdout] 88 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:89:1
[INFO] [stdout]    |
[INFO] [stdout] 89 | / macro_rules! less_than(
[INFO] [stdout] 90 | |     ($l:expr, $r:expr) => (
[INFO] [stdout] 91 | |         box Element::LessThan($l, $r)
[INFO] [stdout] 92 | |     )
[INFO] [stdout] 93 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:94:1
[INFO] [stdout]    |
[INFO] [stdout] 94 | / macro_rules! variable(
[INFO] [stdout] 95 | |     ($v:expr) => (
[INFO] [stdout] 96 | |         box Element::Variable($v.to_string())
[INFO] [stdout] 97 | |     )
[INFO] [stdout] 98 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:99:1
[INFO] [stdout]     |
[INFO] [stdout] 99  | / macro_rules! assign(
[INFO] [stdout] 100 | |     ($name:expr, $exp:expr) => (
[INFO] [stdout] 101 | |         box Element::Assign($name.to_string(), $exp)
[INFO] [stdout] 102 | |     )
[INFO] [stdout] 103 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:104:1
[INFO] [stdout]     |
[INFO] [stdout] 104 | / macro_rules! sequence(
[INFO] [stdout] 105 | |     ($first:expr, $second:expr) => (
[INFO] [stdout] 106 | |         box Element::Sequence($first, $second)
[INFO] [stdout] 107 | |     )
[INFO] [stdout] 108 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:109:1
[INFO] [stdout]     |
[INFO] [stdout] 109 | / macro_rules! ifelse(
[INFO] [stdout] 110 | |     ($condition:expr, $consequence:expr, $alternative:expr) => (
[INFO] [stdout] 111 | |         box Element::IfElse($condition, $consequence, $alternative)
[INFO] [stdout] 112 | |     )
[INFO] [stdout] 113 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:114:1
[INFO] [stdout]     |
[INFO] [stdout] 114 | / macro_rules! if_(
[INFO] [stdout] 115 | |     ($condition:expr, $consequence:expr) => (
[INFO] [stdout] 116 | |         box Element::IfElse($condition, $consequence, box Element::DoNothing)
[INFO] [stdout] 117 | |     )
[INFO] [stdout] 118 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | / macro_rules! while_(
[INFO] [stdout] 120 | |     ($condition:expr, $body:expr) => (
[INFO] [stdout] 121 | |         box Element::While($condition, $body)
[INFO] [stdout] 122 | |     )
[INFO] [stdout] 123 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `small_step_simple` due to 2 previous errors; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c98b3a04b2f956d69faf870f46e8fb87de6a5c99340290f6a7599794ebc9ed84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98b3a04b2f956d69faf870f46e8fb87de6a5c99340290f6a7599794ebc9ed84", kill_on_drop: false }`
[INFO] [stdout] c98b3a04b2f956d69faf870f46e8fb87de6a5c99340290f6a7599794ebc9ed84
