[INFO] fetching crate salty 0.1.0-alpha.2...
[INFO] checking salty-0.1.0-alpha.2 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate salty 0.1.0-alpha.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate salty 0.1.0-alpha.2 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate salty 0.1.0-alpha.2
[INFO] finished tweaking crates.io crate salty 0.1.0-alpha.2
[INFO] tweaked toml for crates.io crate salty 0.1.0-alpha.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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] 7fbddd449849d3a114308133fa89569b077166c1b7f30fc4033636b5af7684e1
[INFO] running `Command { std: "docker" "start" "-a" "7fbddd449849d3a114308133fa89569b077166c1b7f30fc4033636b5af7684e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fbddd449849d3a114308133fa89569b077166c1b7f30fc4033636b5af7684e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fbddd449849d3a114308133fa89569b077166c1b7f30fc4033636b5af7684e1", kill_on_drop: false }`
[INFO] [stdout] 7fbddd449849d3a114308133fa89569b077166c1b7f30fc4033636b5af7684e1
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78b7a64cccd38b723fda5185336188ec3a888c35b1383d1f84b9020d7da7a7b2
[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" "78b7a64cccd38b723fda5185336188ec3a888c35b1383d1f84b9020d7da7a7b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling salty v0.1.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stdout] error[E0425]: cannot find function `decode` in crate `hex`
[INFO] [stdout]    --> src/agreement.rs:152:14
[INFO] [stdout]     |
[INFO] [stdout] 152 |         hex::decode(little_endian_hex_digits).unwrap().try_into().unwrap()
[INFO] [stdout]     |              ^^^^^^ not found in `hex`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 119 |     use core::num::flt2dec::decode;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `encode` in crate `hex`
[INFO] [stdout]    --> src/agreement.rs:203:25
[INFO] [stdout]     |
[INFO] [stdout] 203 |         assert_eq!(hex::encode(k), "422c8e7a6227d7bca1350b3e2bb7279f7897b87bb6854b783c60e80311ae3079");
[INFO] [stdout]     |                         ^^^^^^ not found in `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `encode` in crate `hex`
[INFO] [stdout]    --> src/agreement.rs:212:25
[INFO] [stdout]     |
[INFO] [stdout] 212 |         assert_eq!(hex::encode(k), "684cf59ba83309552800ef566f2f4d3c1c3887c49360e3875f2eb94d99532c51");
[INFO] [stdout]     |                         ^^^^^^ not found in `hex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::convert::TryInto`
[INFO] [stdout]    --> src/agreement.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     use core::convert::TryInto;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `salty`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "78b7a64cccd38b723fda5185336188ec3a888c35b1383d1f84b9020d7da7a7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78b7a64cccd38b723fda5185336188ec3a888c35b1383d1f84b9020d7da7a7b2", kill_on_drop: false }`
[INFO] [stdout] 78b7a64cccd38b723fda5185336188ec3a888c35b1383d1f84b9020d7da7a7b2