[INFO] cloning repository https://github.com/naari3/hello-wasm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naari3/hello-wasm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaari3%2Fhello-wasm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaari3%2Fhello-wasm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c763704adf808dfe3e8e9e23282f06a21feb3164
[INFO] checking naari3/hello-wasm against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaari3%2Fhello-wasm" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naari3/hello-wasm on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/naari3/hello-wasm
[INFO] finished tweaking git repo https://github.com/naari3/hello-wasm
[INFO] tweaked toml for git repo https://github.com/naari3/hello-wasm written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/naari3/hello-wasm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.wasm32-unknown-emscripten.rustflags
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a017cd539fd371b286c84d157f34f366143480832d9cb43d403ac50fcd464ca
[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" "3a017cd539fd371b286c84d157f34f366143480832d9cb43d403ac50fcd464ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a017cd539fd371b286c84d157f34f366143480832d9cb43d403ac50fcd464ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a017cd539fd371b286c84d157f34f366143480832d9cb43d403ac50fcd464ca", kill_on_drop: false }`
[INFO] [stdout] 3a017cd539fd371b286c84d157f34f366143480832d9cb43d403ac50fcd464ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fc48c2d5b0092f561ce831150dfec8f9f103255e512189fff07878fff228a0f
[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" "3fc48c2d5b0092f561ce831150dfec8f9f103255e512189fff07878fff228a0f", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: target.wasm32-unknown-emscripten.rustflags
[INFO] [stderr]     Checking hello_wasm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/main.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / pub extern fn fibonacci(n:i64) -> i64 {
[INFO] [stdout] 5  | |     if n <= 1 {
[INFO] [stdout] 6  | |         1
[INFO] [stdout] 7  | |     } else {
[INFO] [stdout] 8  | |         fibonacci(n - 1) + fibonacci(n - 2)
[INFO] [stdout] 9  | |     }
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/main.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / pub extern fn fibonacci(n:i64) -> i64 {
[INFO] [stdout] 5  | |     if n <= 1 {
[INFO] [stdout] 6  | |         1
[INFO] [stdout] 7  | |     } else {
[INFO] [stdout] 8  | |         fibonacci(n - 1) + fibonacci(n - 2)
[INFO] [stdout] 9  | |     }
[INFO] [stdout] 10 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hello_wasm`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3fc48c2d5b0092f561ce831150dfec8f9f103255e512189fff07878fff228a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fc48c2d5b0092f561ce831150dfec8f9f103255e512189fff07878fff228a0f", kill_on_drop: false }`
[INFO] [stdout] 3fc48c2d5b0092f561ce831150dfec8f9f103255e512189fff07878fff228a0f