[INFO] updating cached repository apoelstra/icebox
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/apoelstra/icebox
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/apoelstra/icebox" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/apoelstra/icebox"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/apoelstra/icebox'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/apoelstra/icebox" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/apoelstra/icebox"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/apoelstra/icebox'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b74cdb16ed61a9130f476fd65d8a6c08691a1776
[INFO] sha for GitHub repo apoelstra/icebox: b74cdb16ed61a9130f476fd65d8a6c08691a1776
[INFO] validating manifest of apoelstra/icebox on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of apoelstra/icebox on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing apoelstra/icebox
[INFO] finished frobbing apoelstra/icebox
[INFO] frobbed toml for apoelstra/icebox written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/apoelstra/icebox/Cargo.toml
[INFO] started frobbing apoelstra/icebox
[INFO] finished frobbing apoelstra/icebox
[INFO] frobbed toml for apoelstra/icebox written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/apoelstra/icebox/Cargo.toml
[INFO] crate apoelstra/icebox already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking apoelstra/icebox against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/apoelstra/icebox:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6e1f20b821fa0a6558451c18e45b70ef5a60b06447c113aff263495f034e22a8
[INFO] running `"docker" "start" "-a" "6e1f20b821fa0a6558451c18e45b70ef5a60b06447c113aff263495f034e22a8"`
[INFO] [stderr]     Checking language-tags v0.0.7
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num_cpus v0.2.13
[INFO] [stderr]     Checking num-complex v0.1.39
[INFO] [stderr]     Checking hpack v0.2.0
[INFO] [stderr]    Compiling hidapi-sys v0.1.2
[INFO] [stderr]    Compiling secp256k1 v0.6.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking simplelog v0.4.2
[INFO] [stderr]     Checking solicit v0.4.4
[INFO] [stderr]     Checking hid v0.3.1
[INFO] [stderr]     Checking num-bigint v0.1.40
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]     Checking cookie v0.1.21
[INFO] [stderr]     Checking num-rational v0.1.39
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking serde v0.6.15
[INFO] [stderr]     Checking mime v0.1.3
[INFO] [stderr]     Checking strason v0.3.4
[INFO] [stderr]     Checking serde_json v0.6.1
[INFO] [stderr]     Checking hyper v0.6.16
[INFO] [stderr]     Checking jsonrpc v0.7.6
[INFO] [stderr]     Checking bitcoin v0.9.1
[INFO] [stderr]     Checking icebox v1.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `ToHex` is imported redundantly
[INFO] [stderr]    --> src/dongle/ledger.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 21  | use hex::ToHex;
[INFO] [stderr]     |     ---------- the item `ToHex` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 137 |             use hex::ToHex;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:106:32
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `ToHex` is imported redundantly
[INFO] [stderr]    --> src/dongle/ledger.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 21  | use hex::ToHex;
[INFO] [stderr]     |     ---------- the item `ToHex` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 137 |             use hex::ToHex;
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/error.rs:106:32
[INFO] [stderr]     |
[INFO] [stderr] 106 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.94s
[INFO] running `"docker" "inspect" "6e1f20b821fa0a6558451c18e45b70ef5a60b06447c113aff263495f034e22a8"`
[INFO] running `"docker" "rm" "-f" "6e1f20b821fa0a6558451c18e45b70ef5a60b06447c113aff263495f034e22a8"`
[INFO] [stdout] 6e1f20b821fa0a6558451c18e45b70ef5a60b06447c113aff263495f034e22a8