[INFO] fetching crate rendersvg-meetmangukiya 0.9.1...
[INFO] testing rendersvg-meetmangukiya-0.9.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate rendersvg-meetmangukiya 0.9.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rendersvg-meetmangukiya 0.9.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-9/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" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dc29ef3fbcd8b14af055e65f7d91bf97dd9ec0a8ff8855cecb7e27886d030a9
[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" "5dc29ef3fbcd8b14af055e65f7d91bf97dd9ec0a8ff8855cecb7e27886d030a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dc29ef3fbcd8b14af055e65f7d91bf97dd9ec0a8ff8855cecb7e27886d030a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc29ef3fbcd8b14af055e65f7d91bf97dd9ec0a8ff8855cecb7e27886d030a9", kill_on_drop: false }`
[INFO] [stdout] 5dc29ef3fbcd8b14af055e65f7d91bf97dd9ec0a8ff8855cecb7e27886d030a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e306b19232661acf73e2e867cad875398167036cfdeb1088570ea202aa8b6f27
[INFO] running `Command { std: "docker" "start" "-a" "e306b19232661acf73e2e867cad875398167036cfdeb1088570ea202aa8b6f27", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling xmlparser v0.13.1
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling rctree v0.3.3
[INFO] [stderr]    Compiling unicode-script v0.5.0
[INFO] [stderr]    Compiling rgb v0.8.17
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling ttf-parser v0.3.0
[INFO] [stderr]    Compiling pico-args v0.2.0
[INFO] [stderr]    Compiling data-url v0.1.0
[INFO] [stderr]    Compiling simplecss v0.2.0
[INFO] [stderr]    Compiling fern v0.5.8
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling inflate v0.4.5
[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 flate2 v1.0.14
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling harfbuzz-sys v0.3.4
[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 36.90s
[INFO] running `Command { std: "docker" "inspect" "e306b19232661acf73e2e867cad875398167036cfdeb1088570ea202aa8b6f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e306b19232661acf73e2e867cad875398167036cfdeb1088570ea202aa8b6f27", kill_on_drop: false }`
[INFO] [stdout] e306b19232661acf73e2e867cad875398167036cfdeb1088570ea202aa8b6f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c85029092a370d90acd0fa81bdcbba72b0bac51f1e51b17fc4d2b356160fbcb
[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" "7c85029092a370d90acd0fa81bdcbba72b0bac51f1e51b17fc4d2b356160fbcb", 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 1.06s
[INFO] running `Command { std: "docker" "inspect" "7c85029092a370d90acd0fa81bdcbba72b0bac51f1e51b17fc4d2b356160fbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c85029092a370d90acd0fa81bdcbba72b0bac51f1e51b17fc4d2b356160fbcb", kill_on_drop: false }`
[INFO] [stdout] 7c85029092a370d90acd0fa81bdcbba72b0bac51f1e51b17fc4d2b356160fbcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1655790e2bcbbc8278bf843142b8106afccd2446ed25885f7ab51bb4be3da347
[INFO] running `Command { std: "docker" "start" "-a" "1655790e2bcbbc8278bf843142b8106afccd2446ed25885f7ab51bb4be3da347", kill_on_drop: false }`
[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 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rendersvg_meetmangukiya-2f1d699e78b5c515
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1655790e2bcbbc8278bf843142b8106afccd2446ed25885f7ab51bb4be3da347", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1655790e2bcbbc8278bf843142b8106afccd2446ed25885f7ab51bb4be3da347", kill_on_drop: false }`
[INFO] [stdout] 1655790e2bcbbc8278bf843142b8106afccd2446ed25885f7ab51bb4be3da347
