[INFO] cloning repository https://github.com/zserik/zxcalc-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zserik/zxcalc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzserik%2Fzxcalc-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzserik%2Fzxcalc-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 614cd872bad229679c8c67170fc29375925cfc22
[INFO] documenting zserik/zxcalc-rs against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzserik%2Fzxcalc-rs" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zserik/zxcalc-rs on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zserik/zxcalc-rs
[INFO] finished tweaking git repo https://github.com/zserik/zxcalc-rs
[INFO] tweaked toml for git repo https://github.com/zserik/zxcalc-rs written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/zserik/zxcalc-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e89802a61500d40924f8f778e8d88a1afe4492b1a67402fc81929964a1037f68
[INFO] running `Command { std: "docker" "start" "-a" "e89802a61500d40924f8f778e8d88a1afe4492b1a67402fc81929964a1037f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e89802a61500d40924f8f778e8d88a1afe4492b1a67402fc81929964a1037f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89802a61500d40924f8f778e8d88a1afe4492b1a67402fc81929964a1037f68", kill_on_drop: false }`
[INFO] [stdout] e89802a61500d40924f8f778e8d88a1afe4492b1a67402fc81929964a1037f68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20eaf8795faed058e684afed3d0bd20809cf04bf553d968f8da08b8b9ce152d1
[INFO] running `Command { std: "docker" "start" "-a" "20eaf8795faed058e684afed3d0bd20809cf04bf553d968f8da08b8b9ce152d1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]     Checking infract v0.0.0 (/opt/rustwide/workdir/infract)
[INFO] [stderr]     Checking sortedvec v0.5.0
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> infract/src/lib.rs:58:28
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn rest_mul(&mut self, mut n2: i128, mut d2: i128) {
[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: variable does not need to be mutable
[INFO] [stdout]   --> infract/src/lib.rs:58:42
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn rest_mul(&mut self, mut n2: i128, mut d2: i128) {
[INFO] [stdout]    |                                          ----^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]  Documenting zxcalc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.45s
[INFO] running `Command { std: "docker" "inspect" "20eaf8795faed058e684afed3d0bd20809cf04bf553d968f8da08b8b9ce152d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20eaf8795faed058e684afed3d0bd20809cf04bf553d968f8da08b8b9ce152d1", kill_on_drop: false }`
[INFO] [stdout] 20eaf8795faed058e684afed3d0bd20809cf04bf553d968f8da08b8b9ce152d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 24cf00050240d54d61ab1ac236e8abe9f6d6fd373222441d6806588e4f1a12ab
[INFO] running `Command { std: "docker" "start" "-a" "24cf00050240d54d61ab1ac236e8abe9f6d6fd373222441d6806588e4f1a12ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: no library targets found in package `zxcalc`
[INFO] running `Command { std: "docker" "inspect" "24cf00050240d54d61ab1ac236e8abe9f6d6fd373222441d6806588e4f1a12ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24cf00050240d54d61ab1ac236e8abe9f6d6fd373222441d6806588e4f1a12ab", kill_on_drop: false }`
[INFO] [stdout] 24cf00050240d54d61ab1ac236e8abe9f6d6fd373222441d6806588e4f1a12ab