[INFO] crate kerberos_crypto 0.3.5 is already in cache
[INFO] checking kerberos_crypto-0.3.5 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate kerberos_crypto 0.3.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate kerberos_crypto 0.3.5 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kerberos_crypto 0.3.5
[INFO] finished tweaking crates.io crate kerberos_crypto 0.3.5
[INFO] tweaked toml for crates.io crate kerberos_crypto 0.3.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c62829aac01dfd09dfaf8d2499c124c571892c332554a5641e057374dc9b5221
[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" "c62829aac01dfd09dfaf8d2499c124c571892c332554a5641e057374dc9b5221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c62829aac01dfd09dfaf8d2499c124c571892c332554a5641e057374dc9b5221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c62829aac01dfd09dfaf8d2499c124c571892c332554a5641e057374dc9b5221", kill_on_drop: false }`
[INFO] [stdout] c62829aac01dfd09dfaf8d2499c124c571892c332554a5641e057374dc9b5221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e31fbbc9e4fa464ddf7ab8f67a5e1bd6c670d2844345c36b1c45f0d044313bb8
[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" "e31fbbc9e4fa464ddf7ab8f67a5e1bd6c670d2844345c36b1c45f0d044313bb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking kerberos_constants v0.0.6
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking md4 v0.8.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking kerberos_crypto v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/aes_hmac_sha1/decrypt.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut hmac = hmac_sha1(&ki, &basic_plaintext);
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/algorithms/aes_hmac_sha1/decrypt.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut hmac = hmac_sha1(&ki, &basic_plaintext);
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.86s
[INFO] running `Command { std: "docker" "inspect" "e31fbbc9e4fa464ddf7ab8f67a5e1bd6c670d2844345c36b1c45f0d044313bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e31fbbc9e4fa464ddf7ab8f67a5e1bd6c670d2844345c36b1c45f0d044313bb8", kill_on_drop: false }`
[INFO] [stdout] e31fbbc9e4fa464ddf7ab8f67a5e1bd6c670d2844345c36b1c45f0d044313bb8