[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 master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSilentFlyBy%2Fskump" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SilentFlyBy/skump on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-8/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" "+90442458ac46b1d5eed752c316da25450f67285b" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d099e8c853147669d34727c3e5e8ca243a30bd5f1a94720b27cd5edc41b4814
[INFO] running `Command { std: "docker" "start" "-a" "7d099e8c853147669d34727c3e5e8ca243a30bd5f1a94720b27cd5edc41b4814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d099e8c853147669d34727c3e5e8ca243a30bd5f1a94720b27cd5edc41b4814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d099e8c853147669d34727c3e5e8ca243a30bd5f1a94720b27cd5edc41b4814", kill_on_drop: false }`
[INFO] [stdout] 7d099e8c853147669d34727c3e5e8ca243a30bd5f1a94720b27cd5edc41b4814
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39b30760cdc2531d0ce91148ab88f84f0d75b91a63053407f445c5f3c30ab821
[INFO] running `Command { std: "docker" "start" "-a" "39b30760cdc2531d0ce91148ab88f84f0d75b91a63053407f445c5f3c30ab821", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling anyhow v1.0.39
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking wkhtmltox-sys v0.1.2
[INFO] [stderr]     Checking quick-error v2.0.0
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking rusqlite v0.24.2
[INFO] [stderr]     Checking idna v0.1.5
[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 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_json v1.0.64
[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 31.66s
[INFO] running `Command { std: "docker" "inspect" "39b30760cdc2531d0ce91148ab88f84f0d75b91a63053407f445c5f3c30ab821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b30760cdc2531d0ce91148ab88f84f0d75b91a63053407f445c5f3c30ab821", kill_on_drop: false }`
[INFO] [stdout] 39b30760cdc2531d0ce91148ab88f84f0d75b91a63053407f445c5f3c30ab821