[INFO] fetching crate grin_miner_util 0.5.2...
[INFO] checking grin_miner_util-0.5.2 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate grin_miner_util 0.5.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate grin_miner_util 0.5.2 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-term v2.6.0
[INFO] [stderr]   Downloaded slog-async v2.5.0
[INFO] [stderr]   Downloaded slog v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0535c7b41c2c9f5ea96e2c099422e5d4aa4d9e8c7c9d5dc385c5303116913d50
[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" "0535c7b41c2c9f5ea96e2c099422e5d4aa4d9e8c7c9d5dc385c5303116913d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0535c7b41c2c9f5ea96e2c099422e5d4aa4d9e8c7c9d5dc385c5303116913d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0535c7b41c2c9f5ea96e2c099422e5d4aa4d9e8c7c9d5dc385c5303116913d50", kill_on_drop: false }`
[INFO] [stdout] 0535c7b41c2c9f5ea96e2c099422e5d4aa4d9e8c7c9d5dc385c5303116913d50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6c2c4b8688fe12a70f359b35f3f427dd82f7ac2e5d4d318a46eca3ac62a9ed7f
[INFO] running `Command { std: "docker" "start" "-a" "6c2c4b8688fe12a70f359b35f3f427dd82f7ac2e5d4d318a46eca3ac62a9ed7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking slog v2.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking serde v1.0.118
[INFO] [stderr]     Checking byteorder v1.3.4
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking rand v0.3.23
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[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking slog-term v2.6.0
[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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 a macro (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 49.57s
[INFO] running `Command { std: "docker" "inspect" "6c2c4b8688fe12a70f359b35f3f427dd82f7ac2e5d4d318a46eca3ac62a9ed7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2c4b8688fe12a70f359b35f3f427dd82f7ac2e5d4d318a46eca3ac62a9ed7f", kill_on_drop: false }`
[INFO] [stdout] 6c2c4b8688fe12a70f359b35f3f427dd82f7ac2e5d4d318a46eca3ac62a9ed7f