[INFO] cloning repository https://github.com/atneit/ss-ntru-pke-attack-simulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atneit/ss-ntru-pke-attack-simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatneit%2Fss-ntru-pke-attack-simulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatneit%2Fss-ntru-pke-attack-simulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75b11a4f87b20f5b7b013a28bed5f72fd7a9ebff
[INFO] documenting atneit/ss-ntru-pke-attack-simulation against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatneit%2Fss-ntru-pke-attack-simulation" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atneit/ss-ntru-pke-attack-simulation on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/atneit/ss-ntru-pke-attack-simulation
[INFO] finished tweaking git repo https://github.com/atneit/ss-ntru-pke-attack-simulation
[INFO] tweaked toml for git repo https://github.com/atneit/ss-ntru-pke-attack-simulation written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/atneit/ss-ntru-pke-attack-simulation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 258c8ba9e54f788cabf488b1ff26acfb4bcfd3be6d2606f5426669c5beb5e2fb
[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" "258c8ba9e54f788cabf488b1ff26acfb4bcfd3be6d2606f5426669c5beb5e2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "258c8ba9e54f788cabf488b1ff26acfb4bcfd3be6d2606f5426669c5beb5e2fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258c8ba9e54f788cabf488b1ff26acfb4bcfd3be6d2606f5426669c5beb5e2fb", kill_on_drop: false }`
[INFO] [stdout] 258c8ba9e54f788cabf488b1ff26acfb4bcfd3be6d2606f5426669c5beb5e2fb
[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" "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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c27d4c1ad2b1559b8afe9dd20a1744dfaaff5c2b9b1717b892c4f8afd6731788
[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" "c27d4c1ad2b1559b8afe9dd20a1744dfaaff5c2b9b1717b892c4f8afd6731788", kill_on_drop: false }`
[INFO] [stderr]     Checking svg v0.5.11
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling quote v0.6.6
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking gag v0.1.10
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]     Checking plotlib v0.3.0
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking promptly v0.1.5
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]  Documenting ss-ntru-pke-attack-simulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `ss-ntru-pke-attack-simulation`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name ss_ntru_pke_attack_simulation src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bincode=/opt/rustwide/target/debug/deps/libbincode-65fab0b1fd8c3a5f.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-2be42c4ee21bffa8.rmeta --extern gag=/opt/rustwide/target/debug/deps/libgag-10f246a231c88188.rmeta --extern plotlib=/opt/rustwide/target/debug/deps/libplotlib-47e30d42d80ee9b4.rmeta --extern promptly=/opt/rustwide/target/debug/deps/libpromptly-328e8399db744ebd.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-8b9a7719902f176b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-02c53eac70096ba1.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-22c2295ac0d652c4.so --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-49ec843c5b690222.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-285bd131f0171575.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "c27d4c1ad2b1559b8afe9dd20a1744dfaaff5c2b9b1717b892c4f8afd6731788", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c27d4c1ad2b1559b8afe9dd20a1744dfaaff5c2b9b1717b892c4f8afd6731788", kill_on_drop: false }`
[INFO] [stdout] c27d4c1ad2b1559b8afe9dd20a1744dfaaff5c2b9b1717b892c4f8afd6731788