[INFO] fetching crate mostinefficientsha 0.1.0...
[INFO] testing mostinefficientsha-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate mostinefficientsha 0.1.0 into /workspace/builds/worker-79/source
[INFO] validating manifest of crates.io crate mostinefficientsha 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mostinefficientsha 0.1.0
[INFO] finished tweaking crates.io crate mostinefficientsha 0.1.0
[INFO] tweaked toml for crates.io crate mostinefficientsha 0.1.0 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2a72c62983b04fb4ffd00279a2d7cea56a9a9d15fa73f3119bd62eb7c7ed335
[INFO] running `Command { std: "docker" "start" "-a" "d2a72c62983b04fb4ffd00279a2d7cea56a9a9d15fa73f3119bd62eb7c7ed335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2a72c62983b04fb4ffd00279a2d7cea56a9a9d15fa73f3119bd62eb7c7ed335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a72c62983b04fb4ffd00279a2d7cea56a9a9d15fa73f3119bd62eb7c7ed335", kill_on_drop: false }`
[INFO] [stdout] d2a72c62983b04fb4ffd00279a2d7cea56a9a9d15fa73f3119bd62eb7c7ed335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1feddfd71b57613caf887206a7cd49aad9eec1584719298ea1745cad8fbb86c
[INFO] running `Command { std: "docker" "start" "-a" "b1feddfd71b57613caf887206a7cd49aad9eec1584719298ea1745cad8fbb86c", kill_on_drop: false }`
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling data-encoding v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.3.25
[INFO] [stderr]    Compiling mostinefficientsha v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `mostinefficientsha` due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/u.rs:239:9
[INFO] [stdout]     |
[INFO] [stdout] 239 |         try!(write!(f, "U["));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/u.rs:241:13
[INFO] [stdout]     |
[INFO] [stdout] 241 |             try!(b.fmt(f));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1feddfd71b57613caf887206a7cd49aad9eec1584719298ea1745cad8fbb86c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1feddfd71b57613caf887206a7cd49aad9eec1584719298ea1745cad8fbb86c", kill_on_drop: false }`
[INFO] [stdout] b1feddfd71b57613caf887206a7cd49aad9eec1584719298ea1745cad8fbb86c