[INFO] cloning repository https://github.com/stallmanifold/rust-matasano-crypto-challenges
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stallmanifold/rust-matasano-crypto-challenges" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Frust-matasano-crypto-challenges", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Frust-matasano-crypto-challenges'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16d7b2f3c06d2db5f1d7ae02df77085b2d1a2f69
[INFO] documenting stallmanifold/rust-matasano-crypto-challenges against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstallmanifold%2Frust-matasano-crypto-challenges" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stallmanifold/rust-matasano-crypto-challenges on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stallmanifold/rust-matasano-crypto-challenges
[INFO] finished tweaking git repo https://github.com/stallmanifold/rust-matasano-crypto-challenges
[INFO] tweaked toml for git repo https://github.com/stallmanifold/rust-matasano-crypto-challenges written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/stallmanifold/rust-matasano-crypto-challenges already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b1d3440764315ebac9b87ade9258d847eabac09055848ee771c205e2eddd3b2
[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" "7b1d3440764315ebac9b87ade9258d847eabac09055848ee771c205e2eddd3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b1d3440764315ebac9b87ade9258d847eabac09055848ee771c205e2eddd3b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b1d3440764315ebac9b87ade9258d847eabac09055848ee771c205e2eddd3b2", kill_on_drop: false }`
[INFO] [stdout] 7b1d3440764315ebac9b87ade9258d847eabac09055848ee771c205e2eddd3b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", 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] 65e33ec31f866e8300f9cc0331b7528d54d03d396b1b2c4f29cef1fbc42bd19e
[INFO] running `Command { std: "docker" "start" "-a" "65e33ec31f866e8300f9cc0331b7528d54d03d396b1b2c4f29cef1fbc42bd19e", kill_on_drop: false }`
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]  Documenting matasano-crypto-challenges v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bitwise/hex_rep.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |         0x30...0x39 => Some(character-0x30),
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bitwise/hex_rep.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |         0x41...0x46 => Some(character-0x37),
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bitwise/hex_rep.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 |         0x61...0x66 => Some(character-0x57),
[INFO] [stdout]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bitwise/hex_rep.rs:64:21
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 0x30...0x39 | 0x41...0x46 | 0x61...0x66 => continue,
[INFO] [stdout]    |                     ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bitwise/hex_rep.rs:64:35
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 0x30...0x39 | 0x41...0x46 | 0x61...0x66 => continue,
[INFO] [stdout]    |                                   ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/bitwise/hex_rep.rs:64:49
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 0x30...0x39 | 0x41...0x46 | 0x61...0x66 => continue,
[INFO] [stdout]    |                                                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.09s
[INFO] running `Command { std: "docker" "inspect" "65e33ec31f866e8300f9cc0331b7528d54d03d396b1b2c4f29cef1fbc42bd19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65e33ec31f866e8300f9cc0331b7528d54d03d396b1b2c4f29cef1fbc42bd19e", kill_on_drop: false }`
[INFO] [stdout] 65e33ec31f866e8300f9cc0331b7528d54d03d396b1b2c4f29cef1fbc42bd19e