[INFO] cloning repository https://github.com/termhn/nanopow-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/termhn/nanopow-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftermhn%2Fnanopow-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftermhn%2Fnanopow-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3a8a84e5f3a2c6028c306e55091f09a03205082
[INFO] checking termhn/nanopow-rs against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftermhn%2Fnanopow-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/termhn/nanopow-rs on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/termhn/nanopow-rs
[INFO] finished tweaking git repo https://github.com/termhn/nanopow-rs
[INFO] tweaked toml for git repo https://github.com/termhn/nanopow-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/termhn/nanopow-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byte-tools v0.2.0
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded owning_ref v0.3.3
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded libc v0.2.36
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] [stderr]   Downloaded stable_deref_trait v1.0.0
[INFO] [stderr]   Downloaded smallvec v0.6.0
[INFO] [stderr]   Downloaded winapi v0.3.4
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded typenum v1.9.0
[INFO] [stderr]   Downloaded memoffset v0.1.0
[INFO] [stderr]   Downloaded hex v0.3.1
[INFO] [stderr]   Downloaded cfg-if v0.1.2
[INFO] [stderr]   Downloaded rand v0.4.2
[INFO] [stderr]   Downloaded crypto-mac v0.5.2
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded crossbeam-epoch v0.2.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.1.2
[INFO] [stderr]   Downloaded digest v0.7.2
[INFO] [stderr]   Downloaded rustc-demangle v0.1.7
[INFO] [stderr]   Downloaded backtrace v0.3.5
[INFO] [stderr]   Downloaded cc v1.0.5
[INFO] [stderr]   Downloaded parking_lot_core v0.2.11
[INFO] [stderr]   Downloaded blake2 v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eeab3258005c661d6f87a732638773d6127db559dbd908338bce0cf57f01279e
[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" "eeab3258005c661d6f87a732638773d6127db559dbd908338bce0cf57f01279e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeab3258005c661d6f87a732638773d6127db559dbd908338bce0cf57f01279e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeab3258005c661d6f87a732638773d6127db559dbd908338bce0cf57f01279e", kill_on_drop: false }`
[INFO] [stdout] eeab3258005c661d6f87a732638773d6127db559dbd908338bce0cf57f01279e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ce3bd7fba879c2b7b6d0129b25813c22d74e48f5bcaa53c1036d5b65d419aa6
[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" "1ce3bd7fba879c2b7b6d0129b25813c22d74e48f5bcaa53c1036d5b65d419aa6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]    Compiling cc v1.0.5
[INFO] [stderr]     Checking stable_deref_trait v1.0.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.1.0
[INFO] [stderr]     Checking hex v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking crossbeam-epoch v0.2.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking parking_lot_core v0.2.11
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking blake2 v0.7.0
[INFO] [stderr]     Checking crossbeam-channel v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking nanopow-rs v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |   errors {
[INFO] [stdout] 5  | |     /// Attempted to create an InputHash with incorrect length
[INFO] [stdout] 6  | |     HashLengthError {
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |   }
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |   errors {
[INFO] [stdout] 5  | |     /// Attempted to create an InputHash with incorrect length
[INFO] [stdout] 6  | |     HashLengthError {
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |   }
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |   errors {
[INFO] [stdout] 5  | |     /// Attempted to create an InputHash with incorrect length
[INFO] [stdout] 6  | |     HashLengthError {
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |   }
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |   errors {
[INFO] [stdout] 5  | |     /// Attempted to create an InputHash with incorrect length
[INFO] [stdout] 6  | |     HashLengthError {
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |   }
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |   errors {
[INFO] [stdout] 5  | |     /// Attempted to create an InputHash with incorrect length
[INFO] [stdout] 6  | |     HashLengthError {
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |   }
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/error.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / error_chain! {
[INFO] [stdout] 4  | |   errors {
[INFO] [stdout] 5  | |     /// Attempted to create an InputHash with incorrect length
[INFO] [stdout] 6  | |     HashLengthError {
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |   }
[INFO] [stdout] 22 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.96s
[INFO] running `Command { std: "docker" "inspect" "1ce3bd7fba879c2b7b6d0129b25813c22d74e48f5bcaa53c1036d5b65d419aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ce3bd7fba879c2b7b6d0129b25813c22d74e48f5bcaa53c1036d5b65d419aa6", kill_on_drop: false }`
[INFO] [stdout] 1ce3bd7fba879c2b7b6d0129b25813c22d74e48f5bcaa53c1036d5b65d419aa6