[INFO] cloning repository https://github.com/master-hax/lil-jwt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/master-hax/lil-jwt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaster-hax%2Flil-jwt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaster-hax%2Flil-jwt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c05f36b9d5da4bb1e4629f94ae073f9d57da7f4
[INFO] checking master-hax/lil-jwt against master#35d55b34bffd51384ac430cc20852b7d16dd5a90 for pr-145108
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaster-hax%2Flil-jwt" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/master-hax/lil-jwt
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/master-hax/lil-jwt
[INFO] tweaked toml for git repo https://github.com/master-hax/lil-jwt written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/master-hax/lil-jwt on toolchain 35d55b34bffd51384ac430cc20852b7d16dd5a90
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/master-hax/lil-jwt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded numtoa v0.3.1
[INFO] [stderr]   Downloaded lil-json v0.1.2
[INFO] [stderr]   Downloaded embedded-io-adapters v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 022cab2e8cc1031b5e3246c5c1785993424ce2d6acd98759c5c1c80ed1b015d3
[INFO] running `Command { std: "docker" "start" "-a" "022cab2e8cc1031b5e3246c5c1785993424ce2d6acd98759c5c1c80ed1b015d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "022cab2e8cc1031b5e3246c5c1785993424ce2d6acd98759c5c1c80ed1b015d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022cab2e8cc1031b5e3246c5c1785993424ce2d6acd98759c5c1c80ed1b015d3", kill_on_drop: false }`
[INFO] [stdout] 022cab2e8cc1031b5e3246c5c1785993424ce2d6acd98759c5c1c80ed1b015d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+35d55b34bffd51384ac430cc20852b7d16dd5a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b06eea591744b8556e605c5e04f76446f67e0b6245f7ced788edd635bac0eb15
[INFO] running `Command { std: "docker" "start" "-a" "b06eea591744b8556e605c5e04f76446f67e0b6245f7ced788edd635bac0eb15", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking embedded-io v0.6.1
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking numtoa v0.3.1
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking embedded-io-adapters v0.6.2
[INFO] [stderr]     Checking lil-json v0.1.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking lil-jwt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Update`
[INFO] [stdout]  --> src/authenticated_writer.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hmac::{digest::{self, CtOutput, Update}, Mac};
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Update`
[INFO] [stdout]  --> src/authenticated_writer.rs:2:37
[INFO] [stdout]   |
[INFO] [stdout] 2 | use hmac::{digest::{self, CtOutput, Update}, Mac};
[INFO] [stdout]   |                                     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]   --> src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Empty{}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]    --> src/lib.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl JwtType {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn from_string(string: &str) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Empty` is never constructed
[INFO] [stdout]   --> src/lib.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Empty{}
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_string` is never used
[INFO] [stdout]    --> src/lib.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl JwtType {
[INFO] [stdout]     | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 100 |     fn from_string(string: &str) -> Option<Self> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "b06eea591744b8556e605c5e04f76446f67e0b6245f7ced788edd635bac0eb15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b06eea591744b8556e605c5e04f76446f67e0b6245f7ced788edd635bac0eb15", kill_on_drop: false }`
[INFO] [stdout] b06eea591744b8556e605c5e04f76446f67e0b6245f7ced788edd635bac0eb15