[INFO] crate sampi 0.1.8 is already in cache
[INFO] checking sampi-0.1.8 against try#9ff4d07208097950831ed4ea9d76feb1eafc8baa for pr-69340
[INFO] extracting crate sampi 0.1.8 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sampi 0.1.8 on toolchain 9ff4d07208097950831ed4ea9d76feb1eafc8baa
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate sampi 0.1.8
[INFO] finished tweaking crates.io crate sampi 0.1.8
[INFO] tweaked toml for crates.io crate sampi 0.1.8 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate sampi 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+9ff4d07208097950831ed4ea9d76feb1eafc8baa" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3a94c10242d0764aeff23cdba874493af3b234171893296bc4788d33fc7773a5
[INFO] running `"docker" "start" "-a" "3a94c10242d0764aeff23cdba874493af3b234171893296bc4788d33fc7773a5"`
[INFO] [stderr]    Compiling serde-big-array v0.1.5
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking curve25519-dalek v2.0.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking sampi v0.1.8 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Sampi`
[INFO] [stderr]  --> examples/pow_benchmark.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use sampi::{Result, Sampi, SampiKeyPair};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stderr]   --> examples/pow_benchmark.rs:13:28
[INFO] [stderr]    |
[INFO] [stderr] 13 |             let sampi = kp.new_sampi(data).with_pow(i).build()?;
[INFO] [stderr]    |                            ^^^^^^^^^ ---- supplied 1 argument
[INFO] [stderr]    |                            |
[INFO] [stderr]    |                            expected 0 arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stderr]   --> examples/pow_benchmark.rs:13:56
[INFO] [stderr]    |
[INFO] [stderr] 13 |             let sampi = kp.new_sampi(data).with_pow(i).build()?;
[INFO] [stderr]    |                                                        ^^^^^- supplied 0 arguments
[INFO] [stderr]    |                                                        |
[INFO] [stderr]    |                                                        expected 1 argument
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `sampi`.
[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 `"docker" "inspect" "3a94c10242d0764aeff23cdba874493af3b234171893296bc4788d33fc7773a5"`
[INFO] running `"docker" "rm" "-f" "3a94c10242d0764aeff23cdba874493af3b234171893296bc4788d33fc7773a5"`
[INFO] [stdout] 3a94c10242d0764aeff23cdba874493af3b234171893296bc4788d33fc7773a5