[INFO] cloning repository https://github.com/boxdot/basic-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/boxdot/basic-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboxdot%2Fbasic-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboxdot%2Fbasic-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e430425185add45504ff98f929a6ba8b3d920da5
[INFO] checking boxdot/basic-rs against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fboxdot%2Fbasic-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/boxdot/basic-rs on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/boxdot/basic-rs
[INFO] finished tweaking git repo https://github.com/boxdot/basic-rs
[INFO] tweaked toml for git repo https://github.com/boxdot/basic-rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/boxdot/basic-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.40
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.40
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.40
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.40
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63b2bfe98dc0ec16fc2b35a2bd2e50059373aa0f0b27a6cd116e1db7d9ab91bb
[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" "63b2bfe98dc0ec16fc2b35a2bd2e50059373aa0f0b27a6cd116e1db7d9ab91bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63b2bfe98dc0ec16fc2b35a2bd2e50059373aa0f0b27a6cd116e1db7d9ab91bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b2bfe98dc0ec16fc2b35a2bd2e50059373aa0f0b27a6cd116e1db7d9ab91bb", kill_on_drop: false }`
[INFO] [stdout] 63b2bfe98dc0ec16fc2b35a2bd2e50059373aa0f0b27a6cd116e1db7d9ab91bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81569487dd9e16830036f6b341464967fe03f3c14f2026f07330f53604e9cf0b
[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" "81569487dd9e16830036f6b341464967fe03f3c14f2026f07330f53604e9cf0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.40
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling bumpalo v2.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.40
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]    Compiling nom v5.0.0
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]    Compiling stackvector v1.0.6
[INFO] [stderr]    Compiling lexical-core v0.4.2
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.40
[INFO] [stderr]     Checking basic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> tests/integration.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | / macro_rules! test_program_3x {
[INFO] [stdout] 53 | |     ($name:ident) => {
[INFO] [stdout] 54 | |         #[test]
[INFO] [stdout] 55 | |         #[allow(non_snake_case)]
[INFO] [stdout] ...  |
[INFO] [stdout] 63 | |     };
[INFO] [stdout] 64 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.40
[INFO] [stdout] warning: function is never used: `run_and_compare_output_3x`
[INFO] [stdout]    --> tests/integration.rs:108:4
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn run_and_compare_output_3x(program: &str, expected_output: &str, expected_err_output: &str) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.40
[INFO] [stderr]     Checking basic-wasm v0.1.0 (/opt/rustwide/workdir/wasm)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.98s
[INFO] running `Command { std: "docker" "inspect" "81569487dd9e16830036f6b341464967fe03f3c14f2026f07330f53604e9cf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81569487dd9e16830036f6b341464967fe03f3c14f2026f07330f53604e9cf0b", kill_on_drop: false }`
[INFO] [stdout] 81569487dd9e16830036f6b341464967fe03f3c14f2026f07330f53604e9cf0b