[INFO] fetching crate firma 0.19.0...
[INFO] testing firma-0.19.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate firma 0.19.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate firma 0.19.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate firma 0.19.0
[INFO] finished tweaking crates.io crate firma 0.19.0
[INFO] tweaked toml for crates.io crate firma 0.19.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ec4a4dba95c8f7eb715590b5e45f90abcb5363f5edb166a50fdae570cf3170b
[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" "7ec4a4dba95c8f7eb715590b5e45f90abcb5363f5edb166a50fdae570cf3170b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ec4a4dba95c8f7eb715590b5e45f90abcb5363f5edb166a50fdae570cf3170b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ec4a4dba95c8f7eb715590b5e45f90abcb5363f5edb166a50fdae570cf3170b", kill_on_drop: false }`
[INFO] [stdout] 7ec4a4dba95c8f7eb715590b5e45f90abcb5363f5edb166a50fdae570cf3170b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d630b4fc998fab498598466d4dbcd4774f6acf0bf5711c3fdbe3d3c3bc99e72
[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" "5d630b4fc998fab498598466d4dbcd4774f6acf0bf5711c3fdbe3d3c3bc99e72", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bech32 v0.7.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling cpuid-bool v0.2.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling zeroize v1.3.0
[INFO] [stderr]    Compiling bmp-monochrome v1.0.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling qr_code v1.1.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling universal-hash v0.4.0
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling aes-soft v0.6.4
[INFO] [stderr]    Compiling ctr v0.6.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling aes v0.6.0
[INFO] [stderr]    Compiling aes-gcm-siv v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling structopt v0.3.22
[INFO] [stderr]    Compiling secp256k1 v0.19.0
[INFO] [stderr]    Compiling bitcoin_hashes v0.9.7
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling jsonrpc v0.11.0
[INFO] [stderr]    Compiling bitcoin v0.25.2
[INFO] [stderr]    Compiling bitcoincore-rpc-json v0.12.0
[INFO] [stderr]    Compiling miniscript v4.0.3
[INFO] [stderr]    Compiling bitcoincore-rpc v0.12.0
[INFO] [stderr]    Compiling firma v0.19.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0603]: crate `core` is private
[INFO] [stdout]   --> src/common/error.rs:2:22
[INFO] [stdout]    |
[INFO] [stdout] 2  | use bitcoin::hashes::core::fmt::Formatter;
[INFO] [stdout]    |                      ^^^^ private crate
[INFO] [stdout]    |
[INFO] [stdout] note: the crate `core` is defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitcoin_hashes-0.9.7/src/lib.rs:40:34
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[cfg(any(test, feature="std"))] extern crate core;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: crate `core` is private
[INFO] [stdout]   --> src/common/mnemonic.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 | use bitcoin::hashes::core::fmt::{Display, Formatter};
[INFO] [stdout]    |                      ^^^^ private crate
[INFO] [stdout]    |
[INFO] [stdout] note: the crate `core` is defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitcoin_hashes-0.9.7/src/lib.rs:40:34
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[cfg(any(test, feature="std"))] extern crate core;
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firma`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "5d630b4fc998fab498598466d4dbcd4774f6acf0bf5711c3fdbe3d3c3bc99e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d630b4fc998fab498598466d4dbcd4774f6acf0bf5711c3fdbe3d3c3bc99e72", kill_on_drop: false }`
[INFO] [stdout] 5d630b4fc998fab498598466d4dbcd4774f6acf0bf5711c3fdbe3d3c3bc99e72