[INFO] fetching crate arsc 0.1.5...
[INFO] testing arsc-0.1.5 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate arsc 0.1.5 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate arsc 0.1.5
[INFO] finished tweaking crates.io crate arsc 0.1.5
[INFO] tweaked toml for crates.io crate arsc 0.1.5 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate arsc 0.1.5 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 066c6f9ea4b6a28f53c3da76195ad9d55ab8ce34e1a35b20646f580298d65a9c
[INFO] running `Command { std: "docker" "start" "-a" "066c6f9ea4b6a28f53c3da76195ad9d55ab8ce34e1a35b20646f580298d65a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066c6f9ea4b6a28f53c3da76195ad9d55ab8ce34e1a35b20646f580298d65a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066c6f9ea4b6a28f53c3da76195ad9d55ab8ce34e1a35b20646f580298d65a9c", kill_on_drop: false }`
[INFO] [stdout] 066c6f9ea4b6a28f53c3da76195ad9d55ab8ce34e1a35b20646f580298d65a9c
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a0409d3efe9922f5481b5624a371b2a5846c58cf77e8ee9458542f36446b8d12
[INFO] running `Command { std: "docker" "start" "-a" "a0409d3efe9922f5481b5624a371b2a5846c58cf77e8ee9458542f36446b8d12", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling arsc v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/writer/components_writing.rs:290:22
[INFO] [stdout]     |
[INFO] [stdout] 290 |         for specs in &self.specs {
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 290 -         for specs in &self.specs {
[INFO] [stdout] 290 +         while let Some(specs) = &self.specs {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 290 -         for specs in &self.specs {
[INFO] [stdout] 290 +         if let Some(specs) = &self.specs {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "a0409d3efe9922f5481b5624a371b2a5846c58cf77e8ee9458542f36446b8d12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0409d3efe9922f5481b5624a371b2a5846c58cf77e8ee9458542f36446b8d12", kill_on_drop: false }`
[INFO] [stdout] a0409d3efe9922f5481b5624a371b2a5846c58cf77e8ee9458542f36446b8d12
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] c090691c08cea859ee8ef570cae5b47bdb5baf4fb4c93b3bcafe5812bc545b34
[INFO] running `Command { std: "docker" "start" "-a" "c090691c08cea859ee8ef570cae5b47bdb5baf4fb4c93b3bcafe5812bc545b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/writer/components_writing.rs:290:22
[INFO] [stdout]     |
[INFO] [stdout] 290 |         for specs in &self.specs {
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 290 -         for specs in &self.specs {
[INFO] [stdout] 290 +         while let Some(specs) = &self.specs {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 290 -         for specs in &self.specs {
[INFO] [stdout] 290 +         if let Some(specs) = &self.specs {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling arsc v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/writer/components_writing.rs:290:22
[INFO] [stdout]     |
[INFO] [stdout] 290 |         for specs in &self.specs {
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 290 -         for specs in &self.specs {
[INFO] [stdout] 290 +         while let Some(specs) = &self.specs {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 290 -         for specs in &self.specs {
[INFO] [stdout] 290 +         if let Some(specs) = &self.specs {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "c090691c08cea859ee8ef570cae5b47bdb5baf4fb4c93b3bcafe5812bc545b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c090691c08cea859ee8ef570cae5b47bdb5baf4fb4c93b3bcafe5812bc545b34", kill_on_drop: false }`
[INFO] [stdout] c090691c08cea859ee8ef570cae5b47bdb5baf4fb4c93b3bcafe5812bc545b34
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f10bd884008c416cd7f0d10812e27846a9a592e14ff275d814bf0c39e6696026
[INFO] running `Command { std: "docker" "start" "-a" "f10bd884008c416cd7f0d10812e27846a9a592e14ff275d814bf0c39e6696026", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]    --> src/writer/components_writing.rs:290:22
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 0 tests
[INFO] [stderr] 290 |         for specs in &self.specs {
[INFO] [stdout] 
[INFO] [stderr]     |                      ^^^^^^^^^^^
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]     |
[INFO] [stderr] 290 -         for specs in &self.specs {
[INFO] [stderr] 290 +         while let Some(specs) = &self.specs {
[INFO] [stderr]     |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]     |
[INFO] [stderr] 290 -         for specs in &self.specs {
[INFO] [stderr] 290 +         if let Some(specs) = &self.specs {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `arsc` (lib) generated 1 warning
[INFO] [stderr] warning: `arsc` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/arsc-92079ab3e729051f)
[INFO] running `Command { std: "docker" "inspect" "f10bd884008c416cd7f0d10812e27846a9a592e14ff275d814bf0c39e6696026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f10bd884008c416cd7f0d10812e27846a9a592e14ff275d814bf0c39e6696026", kill_on_drop: false }`
[INFO] [stdout] f10bd884008c416cd7f0d10812e27846a9a592e14ff275d814bf0c39e6696026