[INFO] fetching crate grin_miner_util 0.5.2...
[INFO] checking grin_miner_util-0.5.2 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate grin_miner_util 0.5.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate grin_miner_util 0.5.2 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grin_miner_util 0.5.2
[INFO] finished tweaking crates.io crate grin_miner_util 0.5.2
[INFO] tweaked toml for crates.io crate grin_miner_util 0.5.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2c47086edf021541ddc0df3a82419e0c8327e7b359d18d1c6fb5f28fe67c672
[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" "a2c47086edf021541ddc0df3a82419e0c8327e7b359d18d1c6fb5f28fe67c672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2c47086edf021541ddc0df3a82419e0c8327e7b359d18d1c6fb5f28fe67c672", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2c47086edf021541ddc0df3a82419e0c8327e7b359d18d1c6fb5f28fe67c672", kill_on_drop: false }`
[INFO] [stdout] a2c47086edf021541ddc0df3a82419e0c8327e7b359d18d1c6fb5f28fe67c672
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d9de9d37a1ca68f6fae30d8fce7f66d13ed96dff47d6db0f81665ece0215e56
[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" "9d9de9d37a1ca68f6fae30d8fce7f66d13ed96dff47d6db0f81665ece0215e56", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking slog v2.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking backtrace v0.3.60
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking grin_miner_util v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/logger.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / lazy_static! {
[INFO] [stdout] 39 | |     /// Flag to observe whether logging was explicitly initialised (don't output otherwise)
[INFO] [stdout] 40 | |     static ref WAS_INIT: Mutex<bool> = Mutex::new(false);
[INFO] [stdout] 41 | |     /// Flag to observe whether tui is running, and we therefore don't want to attempt to write
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |     };
[INFO] [stdout] 90 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/logger.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / lazy_static! {
[INFO] [stdout] 39 | |     /// Flag to observe whether logging was explicitly initialised (don't output otherwise)
[INFO] [stdout] 40 | |     static ref WAS_INIT: Mutex<bool> = Mutex::new(false);
[INFO] [stdout] 41 | |     /// Flag to observe whether tui is running, and we therefore don't want to attempt to write
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |     };
[INFO] [stdout] 90 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/logger.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / lazy_static! {
[INFO] [stdout] 39 | |     /// Flag to observe whether logging was explicitly initialised (don't output otherwise)
[INFO] [stdout] 40 | |     static ref WAS_INIT: Mutex<bool> = Mutex::new(false);
[INFO] [stdout] 41 | |     /// Flag to observe whether tui is running, and we therefore don't want to attempt to write
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |     };
[INFO] [stdout] 90 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/logger.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / lazy_static! {
[INFO] [stdout] 39 | |     /// Flag to observe whether logging was explicitly initialised (don't output otherwise)
[INFO] [stdout] 40 | |     static ref WAS_INIT: Mutex<bool> = Mutex::new(false);
[INFO] [stdout] 41 | |     /// Flag to observe whether tui is running, and we therefore don't want to attempt to write
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |     };
[INFO] [stdout] 90 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/logger.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / lazy_static! {
[INFO] [stdout] 39 | |     /// Flag to observe whether logging was explicitly initialised (don't output otherwise)
[INFO] [stdout] 40 | |     static ref WAS_INIT: Mutex<bool> = Mutex::new(false);
[INFO] [stdout] 41 | |     /// Flag to observe whether tui is running, and we therefore don't want to attempt to write
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |     };
[INFO] [stdout] 90 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/logger.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / lazy_static! {
[INFO] [stdout] 39 | |     /// Flag to observe whether logging was explicitly initialised (don't output otherwise)
[INFO] [stdout] 40 | |     static ref WAS_INIT: Mutex<bool> = Mutex::new(false);
[INFO] [stdout] 41 | |     /// Flag to observe whether tui is running, and we therefore don't want to attempt to write
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |     };
[INFO] [stdout] 90 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/logger.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / lazy_static! {
[INFO] [stdout] 39 | |     /// Flag to observe whether logging was explicitly initialised (don't output otherwise)
[INFO] [stdout] 40 | |     static ref WAS_INIT: Mutex<bool> = Mutex::new(false);
[INFO] [stdout] 41 | |     /// Flag to observe whether tui is running, and we therefore don't want to attempt to write
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |     };
[INFO] [stdout] 90 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/logger.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / lazy_static! {
[INFO] [stdout] 39 | |     /// Flag to observe whether logging was explicitly initialised (don't output otherwise)
[INFO] [stdout] 40 | |     static ref WAS_INIT: Mutex<bool> = Mutex::new(false);
[INFO] [stdout] 41 | |     /// Flag to observe whether tui is running, and we therefore don't want to attempt to write
[INFO] [stdout] ...  |
[INFO] [stdout] 89 | |     };
[INFO] [stdout] 90 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.56s
[INFO] running `Command { std: "docker" "inspect" "9d9de9d37a1ca68f6fae30d8fce7f66d13ed96dff47d6db0f81665ece0215e56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d9de9d37a1ca68f6fae30d8fce7f66d13ed96dff47d6db0f81665ece0215e56", kill_on_drop: false }`
[INFO] [stdout] 9d9de9d37a1ca68f6fae30d8fce7f66d13ed96dff47d6db0f81665ece0215e56