[INFO] fetching crate rusty-paper-wallet 0.7.0...
[INFO] checking rusty-paper-wallet-0.7.0 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate rusty-paper-wallet 0.7.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rusty-paper-wallet 0.7.0 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusty-paper-wallet 0.7.0
[INFO] finished tweaking crates.io crate rusty-paper-wallet 0.7.0
[INFO] tweaked toml for crates.io crate rusty-paper-wallet 0.7.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate rusty-paper-wallet 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maud_macros v0.22.2
[INFO] [stderr]   Downloaded bitcoin v0.26.0
[INFO] [stderr]   Downloaded miniscript v5.1.0
[INFO] [stderr]   Downloaded bmp-monochrome v1.0.0
[INFO] [stderr]   Downloaded maud v0.22.2
[INFO] [stderr]   Downloaded maud_htmlescape v0.17.0
[INFO] [stderr]   Downloaded qr_code v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e4ab810ba06d1049eaa08ca98531bfbbe89ab05be3e0be06ccb2b9ee5282914
[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" "0e4ab810ba06d1049eaa08ca98531bfbbe89ab05be3e0be06ccb2b9ee5282914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e4ab810ba06d1049eaa08ca98531bfbbe89ab05be3e0be06ccb2b9ee5282914", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e4ab810ba06d1049eaa08ca98531bfbbe89ab05be3e0be06ccb2b9ee5282914", kill_on_drop: false }`
[INFO] [stdout] 0e4ab810ba06d1049eaa08ca98531bfbbe89ab05be3e0be06ccb2b9ee5282914
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8888c38c88045b0533ef84142eeee7ff15a2dfb29772a68a9d85832cb7e993bc
[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" "8888c38c88045b0533ef84142eeee7ff15a2dfb29772a68a9d85832cb7e993bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking bmp-monochrome v1.0.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling secp256k1-sys v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking qr_code v1.0.0
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking secp256k1 v0.20.1
[INFO] [stderr]     Checking bitcoin v0.26.0
[INFO] [stderr]     Checking miniscript v5.1.0
[INFO] [stderr]    Compiling maud_macros v0.22.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking maud v0.22.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking rusty-paper-wallet v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CSS`
[INFO] [stdout]    --> src/html.rs:107:70
[INFO] [stdout]     |
[INFO] [stdout] 107 |     use crate::html::{inner, paper_wallets, to_data_url, WalletData, CSS};
[INFO] [stdout]     |                                                                      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inner_html`
[INFO] [stdout]    --> src/html.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |         let inner_html = inner(&data).unwrap();
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inner_html`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.14s
[INFO] running `Command { std: "docker" "inspect" "8888c38c88045b0533ef84142eeee7ff15a2dfb29772a68a9d85832cb7e993bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8888c38c88045b0533ef84142eeee7ff15a2dfb29772a68a9d85832cb7e993bc", kill_on_drop: false }`
[INFO] [stdout] 8888c38c88045b0533ef84142eeee7ff15a2dfb29772a68a9d85832cb7e993bc