Oct 12 20:19:32.512 INFO checking instagibbs/backoutmasterkey against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 20:19:32.513 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +4021bd0b3c5815b087d6db10ce461e7e4854ade7-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 12 20:19:32.724 INFO blam! 0d3bd429bff18b216a79f17752df75557e16312ff19be2fa583b930c555b3c52
Oct 12 20:19:32.727 INFO running `"docker" "start" "-a" "0d3bd429bff18b216a79f17752df75557e16312ff19be2fa583b930c555b3c52"`
Oct 12 20:19:33.092 INFO kablam! usermod: no changes
Oct 12 20:19:33.283 INFO kablam!    Compiling secp256k1 v0.6.3
Oct 12 20:19:33.293 INFO kablam!    Compiling hex-literal-impl v0.1.0
Oct 12 20:19:33.294 INFO kablam!     Checking hpack v0.2.0
Oct 12 20:19:33.294 INFO kablam!     Checking cookie v0.2.5
Oct 12 20:19:33.294 INFO kablam!     Checking serde v0.6.15
Oct 12 20:19:34.280 INFO kablam!     Checking solicit v0.4.4
Oct 12 20:19:38.706 INFO kablam!     Checking hyper v0.9.18
Oct 12 20:19:39.598 INFO kablam!     Checking hex-literal v0.1.0
Oct 12 20:19:42.432 INFO kablam!     Checking serde_json v0.6.1
Oct 12 20:19:42.432 INFO kablam!     Checking strason v0.3.4
Oct 12 20:19:46.608 INFO kablam!     Checking jsonrpc v0.8.0
Oct 12 20:19:48.961 INFO kablam!     Checking bitcoin v0.10.6
Oct 12 20:19:54.006 INFO kablam!     Checking backoutmasterkey v0.1.0 (/source)
Oct 12 20:19:57.684 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 20:19:57.685 INFO kablam!   --> src/main.rs:38:5
Oct 12 20:19:57.685 INFO kablam!    |
Oct 12 20:19:57.685 INFO kablam! 38 |     child_tweak.mul_assign(&ctx, &minusone_key);
Oct 12 20:19:57.685 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:19:57.685 INFO kablam!    |
Oct 12 20:19:57.685 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 20:19:57.685 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 20:19:57.685 INFO kablam! 
Oct 12 20:19:57.685 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 20:19:57.685 INFO kablam!   --> src/main.rs:43:5
Oct 12 20:19:57.685 INFO kablam!    |
Oct 12 20:19:57.685 INFO kablam! 43 |     child_secret.add_assign(&ctx, &child_tweak);
Oct 12 20:19:57.685 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:19:57.685 INFO kablam!    |
Oct 12 20:19:57.685 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 20:19:57.685 INFO kablam! 
Oct 12 20:19:57.802 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 20:19:57.802 INFO kablam!   --> src/main.rs:38:5
Oct 12 20:19:57.802 INFO kablam!    |
Oct 12 20:19:57.802 INFO kablam! 38 |     child_tweak.mul_assign(&ctx, &minusone_key);
Oct 12 20:19:57.802 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:19:57.802 INFO kablam!    |
Oct 12 20:19:57.802 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 20:19:57.802 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 20:19:57.802 INFO kablam! 
Oct 12 20:19:57.802 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 20:19:57.802 INFO kablam!   --> src/main.rs:43:5
Oct 12 20:19:57.802 INFO kablam!    |
Oct 12 20:19:57.802 INFO kablam! 43 |     child_secret.add_assign(&ctx, &child_tweak);
Oct 12 20:19:57.802 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 20:19:57.802 INFO kablam!    |
Oct 12 20:19:57.802 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 20:19:57.802 INFO kablam! 
Oct 12 20:19:57.872 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 24.76s
Oct 12 20:19:57.880 INFO kablam! su: No module specific data is present
Oct 12 20:19:59.389 INFO running `"docker" "rm" "-f" "0d3bd429bff18b216a79f17752df75557e16312ff19be2fa583b930c555b3c52"`
Oct 12 20:19:59.761 INFO blam! 0d3bd429bff18b216a79f17752df75557e16312ff19be2fa583b930c555b3c52