[INFO] cloning repository https://github.com/SilentFlyBy/skump
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SilentFlyBy/skump" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilentFlyBy%2Fskump", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilentFlyBy%2Fskump'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2c5d9a1308af2d8b3995e17f1195e517f5fbc0a
[INFO] checking SilentFlyBy/skump against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilentFlyBy%2Fskump" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SilentFlyBy/skump on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SilentFlyBy/skump
[INFO] finished tweaking git repo https://github.com/SilentFlyBy/skump
[INFO] tweaked toml for git repo https://github.com/SilentFlyBy/skump written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/SilentFlyBy/skump already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded percent-encoding v1.0.1
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded maplit v1.0.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb794803a26171f74150a9f73c83997e9d89dc3fbe35251e6a548ef1ef3ec89e
[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" "eb794803a26171f74150a9f73c83997e9d89dc3fbe35251e6a548ef1ef3ec89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb794803a26171f74150a9f73c83997e9d89dc3fbe35251e6a548ef1ef3ec89e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb794803a26171f74150a9f73c83997e9d89dc3fbe35251e6a548ef1ef3ec89e", kill_on_drop: false }`
[INFO] [stdout] eb794803a26171f74150a9f73c83997e9d89dc3fbe35251e6a548ef1ef3ec89e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c79cd78d52d36c091bba81db3c70dd90f41f7c6e3cb25defd69358000d70d337
[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" "c79cd78d52d36c091bba81db3c70dd90f41f7c6e3cb25defd69358000d70d337", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking wkhtmltox-sys v0.1.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]     Checking rusqlite v0.24.2
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking wkhtmltopdf v0.3.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling include_dir_impl v0.6.0
[INFO] [stderr]     Checking include_dir v0.6.0
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking handlebars v3.5.3
[INFO] [stderr]     Checking skump v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `pdfout`
[INFO] [stdout]  --> src/export/pdf.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut pdfout = pdf_app.builder();
[INFO] [stdout]   |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pdfout`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `messages`
[INFO] [stdout]  --> src/export/pdf.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn to_pdf(messages: Vec<db::Message>, user: db::User) -> Result<()> {
[INFO] [stdout]   |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user`
[INFO] [stdout]  --> src/export/pdf.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn to_pdf(messages: Vec<db::Message>, user: db::User) -> Result<()> {
[INFO] [stdout]   |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pdfout`
[INFO] [stdout]  --> src/export/pdf.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut pdfout = pdf_app.builder();
[INFO] [stdout]   |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_pdfout`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `messages`
[INFO] [stdout]  --> src/export/pdf.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn to_pdf(messages: Vec<db::Message>, user: db::User) -> Result<()> {
[INFO] [stdout]   |               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `user`
[INFO] [stdout]  --> src/export/pdf.rs:5:43
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn to_pdf(messages: Vec<db::Message>, user: db::User) -> Result<()> {
[INFO] [stdout]   |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/export/pdf.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut pdfout = pdf_app.builder();
[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]  --> src/export/pdf.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut pdfout = pdf_app.builder();
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `Command { std: "docker" "inspect" "c79cd78d52d36c091bba81db3c70dd90f41f7c6e3cb25defd69358000d70d337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c79cd78d52d36c091bba81db3c70dd90f41f7c6e3cb25defd69358000d70d337", kill_on_drop: false }`
[INFO] [stdout] c79cd78d52d36c091bba81db3c70dd90f41f7c6e3cb25defd69358000d70d337