[INFO] cloning repository https://github.com/mcpar-land/mcpar-land.github.io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mcpar-land/mcpar-land.github.io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcpar-land%2Fmcpar-land.github.io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcpar-land%2Fmcpar-land.github.io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adeb7c0995e6e15387473bb96cd9073f347263c4
[INFO] checking mcpar-land/mcpar-land.github.io against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcpar-land%2Fmcpar-land.github.io" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mcpar-land/mcpar-land.github.io on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mcpar-land/mcpar-land.github.io
[INFO] finished tweaking git repo https://github.com/mcpar-land/mcpar-land.github.io
[INFO] tweaked toml for git repo https://github.com/mcpar-land/mcpar-land.github.io written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mcpar-land/mcpar-land.github.io already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded bzip2 v0.4.4
[INFO] [stderr]   Downloaded maud_macros v0.25.0
[INFO] [stderr]   Downloaded maud v0.25.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.64
[INFO] [stderr]   Downloaded itoa v1.0.8
[INFO] [stderr]   Downloaded syn v2.0.26
[INFO] [stderr]   Downloaded highlight-pulldown v0.2.2
[INFO] [stderr]   Downloaded ryu v1.0.14
[INFO] [stderr]   Downloaded time-macros v0.2.10
[INFO] [stderr]   Downloaded onig v6.4.0
[INFO] [stderr]   Downloaded syntect v5.0.0
[INFO] [stderr]   Downloaded onig_sys v69.8.1
[INFO] [stderr]   Downloaded quick-xml v0.29.0
[INFO] [stderr]   Downloaded plist v1.5.0
[INFO] [stderr]   Downloaded time v0.3.23
[INFO] [stderr]   Downloaded serde_derive v1.0.171
[INFO] [stderr]   Downloaded serde v1.0.171
[INFO] [stderr]   Downloaded serde_json v1.0.102
[INFO] [stderr]   Downloaded zip-extensions v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dbb633b4226cd7fe35ca1e2bf65caee81a6a9d31179617236cd0c7b9688e472
[INFO] running `Command { std: "docker" "start" "-a" "4dbb633b4226cd7fe35ca1e2bf65caee81a6a9d31179617236cd0c7b9688e472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dbb633b4226cd7fe35ca1e2bf65caee81a6a9d31179617236cd0c7b9688e472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dbb633b4226cd7fe35ca1e2bf65caee81a6a9d31179617236cd0c7b9688e472", kill_on_drop: false }`
[INFO] [stdout] 4dbb633b4226cd7fe35ca1e2bf65caee81a6a9d31179617236cd0c7b9688e472
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10355ce667ac7c4eceb5afa552c1f1ff85b277b0f6f9b4cba1496513f98dd874
[INFO] running `Command { std: "docker" "start" "-a" "10355ce667ac7c4eceb5afa552c1f1ff85b277b0f6f9b4cba1496513f98dd874", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]     Checking quick-xml v0.29.0
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling maud_macros v0.25.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]     Checking plist v1.5.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking maud v0.25.0
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking zip-extensions v0.6.1
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]     Checking syntect v5.0.0
[INFO] [stderr]     Checking highlight-pulldown v0.2.2
[INFO] [stderr]     Checking mcpar-land-site v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `title_parser` is never used
[INFO] [stdout]    --> src/parsers/combinators.rs:296:6
[INFO] [stdout]     |
[INFO] [stdout] 296 |         fn title_parser<'a>(input: &'a str) -> PResult<'a, &'a str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.18s
[INFO] running `Command { std: "docker" "inspect" "10355ce667ac7c4eceb5afa552c1f1ff85b277b0f6f9b4cba1496513f98dd874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10355ce667ac7c4eceb5afa552c1f1ff85b277b0f6f9b4cba1496513f98dd874", kill_on_drop: false }`
[INFO] [stdout] 10355ce667ac7c4eceb5afa552c1f1ff85b277b0f6f9b4cba1496513f98dd874
[INFO] checking mcpar-land/mcpar-land.github.io against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmcpar-land%2Fmcpar-land.github.io" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mcpar-land/mcpar-land.github.io on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mcpar-land/mcpar-land.github.io
[INFO] finished tweaking git repo https://github.com/mcpar-land/mcpar-land.github.io
[INFO] tweaked toml for git repo https://github.com/mcpar-land/mcpar-land.github.io written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mcpar-land/mcpar-land.github.io already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0ac4e469163f464da99c1cb058eec00e987f04cb16880e269ce04e269f1eb6a
[INFO] running `Command { std: "docker" "start" "-a" "a0ac4e469163f464da99c1cb058eec00e987f04cb16880e269ce04e269f1eb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0ac4e469163f464da99c1cb058eec00e987f04cb16880e269ce04e269f1eb6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0ac4e469163f464da99c1cb058eec00e987f04cb16880e269ce04e269f1eb6a", kill_on_drop: false }`
[INFO] [stdout] a0ac4e469163f464da99c1cb058eec00e987f04cb16880e269ce04e269f1eb6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 889f494427328e2df016ba2c522454b1ba9ef63b338a5859404d1a116605e9e6
[INFO] running `Command { std: "docker" "start" "-a" "889f494427328e2df016ba2c522454b1ba9ef63b338a5859404d1a116605e9e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.64
[INFO] [stderr]    Compiling quote v1.0.29
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling thiserror v1.0.43
[INFO] [stderr]     Checking itoa v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.102
[INFO] [stderr]     Checking quick-xml v0.29.0
[INFO] [stderr]     Checking ryu v1.0.14
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking walkdir v2.3.3
[INFO] [stderr]     Checking time v0.3.23
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling maud_macros v0.25.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.43
[INFO] [stderr]    Compiling serde_derive v1.0.171
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking plist v1.5.0
[INFO] [stderr]     Checking maud v0.25.0
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking zip-extensions v0.6.1
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]     Checking syntect v5.0.0
[INFO] [stderr]     Checking highlight-pulldown v0.2.2
[INFO] [stderr]     Checking mcpar-land-site v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `title_parser` is never used
[INFO] [stdout]    --> src/parsers/combinators.rs:296:6
[INFO] [stdout]     |
[INFO] [stdout] 296 |         fn title_parser<'a>(input: &'a str) -> PResult<'a, &'a str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.94s
[INFO] running `Command { std: "docker" "inspect" "889f494427328e2df016ba2c522454b1ba9ef63b338a5859404d1a116605e9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "889f494427328e2df016ba2c522454b1ba9ef63b338a5859404d1a116605e9e6", kill_on_drop: false }`
[INFO] [stdout] 889f494427328e2df016ba2c522454b1ba9ef63b338a5859404d1a116605e9e6