[INFO] cloning repository https://github.com/fakecoinbase/ZcashFoundationslashzebra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fakecoinbase/ZcashFoundationslashzebra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakecoinbase%2FZcashFoundationslashzebra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakecoinbase%2FZcashFoundationslashzebra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5b3c6e4c6cc9fc125f53a3f798833a66648fefc9
[INFO] building fakecoinbase/ZcashFoundationslashzebra against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffakecoinbase%2FZcashFoundationslashzebra" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra
[INFO] finished tweaking git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra
[INFO] tweaked toml for git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/fakecoinbase/ZcashFoundationslashzebra already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", 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] dcdb1579502a4c726935d9cebf7b0dc776d5d888a01b625aac12940009123a5d
[INFO] running `Command { std: "docker" "start" "-a" "dcdb1579502a4c726935d9cebf7b0dc776d5d888a01b625aac12940009123a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcdb1579502a4c726935d9cebf7b0dc776d5d888a01b625aac12940009123a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcdb1579502a4c726935d9cebf7b0dc776d5d888a01b625aac12940009123a5d", kill_on_drop: false }`
[INFO] [stdout] dcdb1579502a4c726935d9cebf7b0dc776d5d888a01b625aac12940009123a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fe6abff3fbf90af466d113c63b4b8fe045c47544ea86def66cc065d44d0917b
[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" "1fe6abff3fbf90af466d113c63b4b8fe045c47544ea86def66cc065d44d0917b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
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[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling slab v0.4.2
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[INFO] [stderr]    Compiling itoa v0.4.6
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[INFO] [stderr]    Compiling smallvec v1.4.1
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[INFO] [stderr]    Compiling zebra-script v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-script)
[INFO] [stderr]    Compiling zebra-rpc v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-rpc)
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[INFO] [stderr]    Compiling sled v0.34.0
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[INFO] [stderr]    Compiling color-backtrace v0.4.2
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[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling gumdrop_derive v0.7.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling darling_macro v0.10.2
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[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling abscissa_derive v0.5.0 (https://github.com/yaahc/abscissa.git?rev=41d342a9344e38442b2211b07f28a89505892a21#41d342a9)
[INFO] [stderr]    Compiling gumdrop v0.7.0
[INFO] [stderr]    Compiling tracing v0.1.17
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling tower-util v0.3.1
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling tower-load v0.3.0
[INFO] [stderr]    Compiling tower-retry v0.3.0
[INFO] [stderr]    Compiling tower-timeout v0.3.0
[INFO] [stderr]    Compiling tower-buffer v0.3.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling metrics-exporter-log v0.4.0
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling tower-limit v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling tower v0.3.1
[INFO] [stderr]    Compiling tower-batch v0.1.0 (/opt/rustwide/workdir/tower-batch)
[INFO] [stderr]    Compiling tower-fallback v0.1.0 (/opt/rustwide/workdir/tower-fallback)
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]    Compiling redjubjub v0.2.2
[INFO] [stderr]    Compiling serde-big-array v0.3.0
[INFO] [stderr]    Compiling metrics-util v0.3.1
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling secrecy v0.6.0
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling metrics-observer-prometheus v0.1.4
[INFO] [stderr]    Compiling metrics-observer-yaml v0.1.1
[INFO] [stderr]    Compiling ed25519-zebra v1.0.0
[INFO] [stderr]    Compiling x25519-dalek v0.6.0
[INFO] [stderr]    Compiling zebra-chain v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-chain)
[INFO] [stderr]    Compiling tracing-subscriber v0.2.9
[INFO] [stderr]    Compiling metrics-observer-json v0.1.1
[INFO] [stderr]    Compiling tracing-error v0.1.2
[INFO] [stderr]    Compiling abscissa_core v0.5.2 (https://github.com/yaahc/abscissa.git?rev=41d342a9344e38442b2211b07f28a89505892a21#41d342a9)
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling color-spantrace v0.1.4
[INFO] [stderr]    Compiling color-eyre v0.5.0
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> zebra-chain/src/addresses/sprout.rs:76:25
[INFO] [stdout]    |
[INFO] [stdout] 76 |               _ => panic!(SerializationError::Parse(
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 77 | |                 "bad sprout shielded addr version/type",
[INFO] [stdout] 78 | |             )),
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 76 |             _ => panic!("{}", SerializationError::Parse(
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 76 |             _ => std::panic::panic_any(SerializationError::Parse(
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> zebra-chain/src/keys/sprout.rs:88:25
[INFO] [stdout]    |
[INFO] [stdout] 88 |               _ => panic!(SerializationError::Parse(
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 89 | |                 "bad sprout spending key version/type",
[INFO] [stdout] 90 | |             )),
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 88 |             _ => panic!("{}", SerializationError::Parse(
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 88 |             _ => std::panic::panic_any(SerializationError::Parse(
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> zebra-chain/src/keys/sprout.rs:254:25
[INFO] [stdout]     |
[INFO] [stdout] 254 |               _ => panic!(SerializationError::Parse(
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 255 | |                 "bad sprout incoming viewing key network",
[INFO] [stdout] 256 | |             )),
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 254 |             _ => panic!("{}", SerializationError::Parse(
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 254 |             _ => std::panic::panic_any(SerializationError::Parse(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zebra-state v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-state)
[INFO] [stderr]    Compiling zebra-test v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-test)
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zebra-consensus v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-consensus)
[INFO] [stderr]    Compiling zebra-network v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-network)
[INFO] [stderr]    Compiling zebra-utils v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-utils)
[INFO] [stderr]    Compiling metrics-exporter-http v0.3.0
[INFO] [stderr]    Compiling metrics-runtime v0.13.1
[INFO] [stderr]    Compiling zebrad v3.0.0-alpha.0 (/opt/rustwide/workdir/zebrad)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 30s
[INFO] running `Command { std: "docker" "inspect" "1fe6abff3fbf90af466d113c63b4b8fe045c47544ea86def66cc065d44d0917b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe6abff3fbf90af466d113c63b4b8fe045c47544ea86def66cc065d44d0917b", kill_on_drop: false }`
[INFO] [stdout] 1fe6abff3fbf90af466d113c63b4b8fe045c47544ea86def66cc065d44d0917b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbe6e5414268a7739ce9ceccf586f1e9a86dce74204247822be0dc3eb8f1854f
[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" "fbe6e5414268a7739ce9ceccf586f1e9a86dce74204247822be0dc3eb8f1854f", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling indenter v0.3.0
[INFO] [stderr]    Compiling subtle v2.2.3
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling bech32 v0.7.2
[INFO] [stderr]    Compiling metrics-core v0.5.2
[INFO] [stderr]    Compiling canonical-path v2.0.2
[INFO] [stderr]    Compiling atomic-shim v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling zebra-client v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-client)
[INFO] [stderr]    Compiling zebra-rpc v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-rpc)
[INFO] [stderr]    Compiling zebra-script v3.0.0-alpha.0 (/opt/rustwide/workdir/zebra-script)
[INFO] [stderr]    Compiling tracing-core v0.1.11
[INFO] [stderr]    Compiling sharded-slab v0.0.9
[INFO] [stderr]    Compiling generational-arena v0.2.8
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling bls12_381 v0.1.1
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling eyre v0.6.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling blake2b_simd v0.5.10
[INFO] [stderr]    Compiling blake2s_simd v0.5.10
[INFO] [stderr]    Compiling metrics v0.12.1
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling secp256k1-sys v0.1.2
[INFO] [stderr]    Compiling tracing-log v0.1.1
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling jubjub v0.3.0
[INFO] [stderr]    Compiling spandoc-attribute v0.1.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling ripemd160 v0.8.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling tracing v0.1.17
[INFO] [stderr]    Compiling pin-project v0.4.22
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling gumdrop v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling quanta v0.3.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling equihash v0.1.0
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tower-discover v0.3.0
[INFO] [stderr]    Compiling tower-load-shed v0.3.0
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling zeroize v1.1.0
[INFO] [stderr]    Compiling bs58 v0.3.1
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling hdrhistogram v6.3.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling color-backtrace v0.4.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling rand_xorshift v0.2.0
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling sled v0.34.0
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> zebra-chain/src/addresses/sprout.rs:76:25
[INFO] [stdout]    |
[INFO] [stdout] 76 |               _ => panic!(SerializationError::Parse(
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 77 | |                 "bad sprout shielded addr version/type",
[INFO] [stdout] 78 | |             )),
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 76 |             _ => panic!("{}", SerializationError::Parse(
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 76 |             _ => std::panic::panic_any(SerializationError::Parse(
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> zebra-chain/src/keys/sprout.rs:88:25
[INFO] [stdout]    |
[INFO] [stdout] 88 |               _ => panic!(SerializationError::Parse(
[INFO] [stdout]    |  _________________________^
[INFO] [stdout] 89 | |                 "bad sprout spending key version/type",
[INFO] [stdout] 90 | |             )),
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 88 |             _ => panic!("{}", SerializationError::Parse(
[INFO] [stdout]    |                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 88 |             _ => std::panic::panic_any(SerializationError::Parse(
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> zebra-chain/src/keys/sprout.rs:254:25
[INFO] [stdout]     |
[INFO] [stdout] 254 |               _ => panic!(SerializationError::Parse(
[INFO] [stdout]     |  _________________________^
[INFO] [stdout] 255 | |                 "bad sprout incoming viewing key network",
[INFO] [stdout] 256 | |             )),
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 254 |             _ => panic!("{}", SerializationError::Parse(
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 254 |             _ => std::panic::panic_any(SerializationError::Parse(
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling im v15.0.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.3.0
[INFO] [stderr]    Compiling proptest v0.10.0
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling tracing-serde v0.1.1
[INFO] [stderr]    Compiling curve25519-dalek v2.1.0
[INFO] [stderr]    Compiling serde-big-array v0.3.0
[INFO] [stderr]    Compiling redjubjub v0.2.2
[INFO] [stderr]    Compiling secp256k1 v0.17.2
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling secrecy v0.6.0
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling metrics-util v0.3.1
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling metrics-observer-prometheus v0.1.4
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=88571a1240ae2e02 -C extra-filename=-88571a1240ae2e02 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-50111b8f7188482d.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4972d66cc4bf7970.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-a81338cd23b23cba.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fbe6e5414268a7739ce9ceccf586f1e9a86dce74204247822be0dc3eb8f1854f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe6e5414268a7739ce9ceccf586f1e9a86dce74204247822be0dc3eb8f1854f", kill_on_drop: false }`
[INFO] [stdout] fbe6e5414268a7739ce9ceccf586f1e9a86dce74204247822be0dc3eb8f1854f
