[INFO] fetching crate rendersvg-meetmangukiya 0.9.1...
[INFO] testing rendersvg-meetmangukiya-0.9.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate rendersvg-meetmangukiya 0.9.1 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate rendersvg-meetmangukiya 0.9.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rendersvg-meetmangukiya 0.9.1
[INFO] finished tweaking crates.io crate rendersvg-meetmangukiya 0.9.1
[INFO] tweaked toml for crates.io crate rendersvg-meetmangukiya 0.9.1 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate crates.io crate rendersvg-meetmangukiya 0.9.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7765ee729e78bba2aa1270bf0ee78654d90d9db4f7fc4fa9f82387391daf6512
[INFO] running `Command { std: "docker" "start" "-a" "7765ee729e78bba2aa1270bf0ee78654d90d9db4f7fc4fa9f82387391daf6512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7765ee729e78bba2aa1270bf0ee78654d90d9db4f7fc4fa9f82387391daf6512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7765ee729e78bba2aa1270bf0ee78654d90d9db4f7fc4fa9f82387391daf6512", kill_on_drop: false }`
[INFO] [stdout] 7765ee729e78bba2aa1270bf0ee78654d90d9db4f7fc4fa9f82387391daf6512
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d49024330ceaf88fd27782fad18167d8112f1df2412248799a6bdd54e0aa5897
[INFO] running `Command { std: "docker" "start" "-a" "d49024330ceaf88fd27782fad18167d8112f1df2412248799a6bdd54e0aa5897", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling xmlparser v0.13.1
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling rgb v0.8.17
[INFO] [stderr]    Compiling ttf-parser v0.3.0
[INFO] [stderr]    Compiling unicode-script v0.5.0
[INFO] [stderr]    Compiling pico-args v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling simplecss v0.2.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling svgtypes v0.5.0
[INFO] [stderr]    Compiling kurbo v0.5.11
[INFO] [stderr]    Compiling svgfilters v0.1.0
[INFO] [stderr]    Compiling roxmltree v0.9.1
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling harfbuzz_rs v1.0.1
[INFO] [stderr]    Compiling usvg v0.9.0
[INFO] [stderr]    Compiling resvg v0.9.0
[INFO] [stderr]    Compiling rendersvg-meetmangukiya v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |           return Err(format!("{}", $msg));
[INFO] [stdout]    |           ------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 41 | /     let (args, opt) = match args::parse() {
[INFO] [stdout] 42 | |         Ok((args, opt)) => (args, opt),
[INFO] [stdout] 43 | |         Err(e) => {
[INFO] [stdout] 44 | |             args::print_help();
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |         }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |______^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/main.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (args, opt) = match args::parse() {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backend`
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let backend: Box<dyn Render> = match args.backend_name.as_str() {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/args.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |     let mut list = Vec::new();
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.93s
[INFO] running `Command { std: "docker" "inspect" "d49024330ceaf88fd27782fad18167d8112f1df2412248799a6bdd54e0aa5897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d49024330ceaf88fd27782fad18167d8112f1df2412248799a6bdd54e0aa5897", kill_on_drop: false }`
[INFO] [stdout] d49024330ceaf88fd27782fad18167d8112f1df2412248799a6bdd54e0aa5897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c269a4eb005f2ef417e738ba7ad1b22b5e01fab0cd37def4b1805fa762cf935
[INFO] running `Command { std: "docker" "start" "-a" "2c269a4eb005f2ef417e738ba7ad1b22b5e01fab0cd37def4b1805fa762cf935", kill_on_drop: false }`
[INFO] [stderr]    Compiling rendersvg-meetmangukiya v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |           return Err(format!("{}", $msg));
[INFO] [stdout]    |           ------------------------------- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 41 | /     let (args, opt) = match args::parse() {
[INFO] [stdout] 42 | |         Ok((args, opt)) => (args, opt),
[INFO] [stdout] 43 | |         Err(e) => {
[INFO] [stdout] 44 | |             args::print_help();
[INFO] [stdout] ...  |
[INFO] [stdout] 47 | |         }
[INFO] [stdout] 48 | |     };
[INFO] [stdout]    | |______^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opt`
[INFO] [stdout]   --> src/main.rs:41:16
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let (args, opt) = match args::parse() {
[INFO] [stdout]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backend`
[INFO] [stdout]   --> src/main.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let backend: Box<dyn Render> = match args.backend_name.as_str() {
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/args.rs:288:9
[INFO] [stdout]     |
[INFO] [stdout] 288 |     let mut list = Vec::new();
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "2c269a4eb005f2ef417e738ba7ad1b22b5e01fab0cd37def4b1805fa762cf935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c269a4eb005f2ef417e738ba7ad1b22b5e01fab0cd37def4b1805fa762cf935", kill_on_drop: false }`
[INFO] [stdout] 2c269a4eb005f2ef417e738ba7ad1b22b5e01fab0cd37def4b1805fa762cf935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4d9e17bd9adaf8972d52636fe5dd2bde40940850765eb861b9de3349a06d436
[INFO] running `Command { std: "docker" "start" "-a" "f4d9e17bd9adaf8972d52636fe5dd2bde40940850765eb861b9de3349a06d436", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |           return Err(format!("{}", $msg));
[INFO] [stderr]    |           ------------------------------- any code following this expression is unreachable
[INFO] [stderr] ...
[INFO] [stderr] 41 | /     let (args, opt) = match args::parse() {
[INFO] [stderr] 42 | |         Ok((args, opt)) => (args, opt),
[INFO] [stderr] 43 | |         Err(e) => {
[INFO] [stderr] 44 | |             args::print_help();
[INFO] [stderr] ...  |
[INFO] [stderr] 47 | |         }
[INFO] [stderr] 48 | |     };
[INFO] [stderr]    | |______^ unreachable statement
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opt`
[INFO] [stderr]   --> src/main.rs:41:16
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let (args, opt) = match args::parse() {
[INFO] [stderr]    |                ^^^ help: if this is intentional, prefix it with an underscore: `_opt`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `backend`
[INFO] [stderr]   --> src/main.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let backend: Box<dyn Render> = match args.backend_name.as_str() {
[INFO] [stderr]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backend`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/args.rs:288:9
[INFO] [stderr]     |
[INFO] [stderr] 288 |     let mut list = Vec::new();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rendersvg_meetmangukiya-820460d96df46083)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4d9e17bd9adaf8972d52636fe5dd2bde40940850765eb861b9de3349a06d436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d9e17bd9adaf8972d52636fe5dd2bde40940850765eb861b9de3349a06d436", kill_on_drop: false }`
[INFO] [stdout] f4d9e17bd9adaf8972d52636fe5dd2bde40940850765eb861b9de3349a06d436
