[INFO] fetching crate arsc 0.1.5...
[INFO] testing arsc-0.1.5 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate arsc 0.1.5 into /workspace/builds/worker-4-tc2/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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arsc 0.1.5 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc2c8defa4325addac61889a6dfd925ec95612ee8ae6c30a1bb417d269d20f7d
[INFO] running `Command { std: "docker" "start" "-a" "dc2c8defa4325addac61889a6dfd925ec95612ee8ae6c30a1bb417d269d20f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc2c8defa4325addac61889a6dfd925ec95612ee8ae6c30a1bb417d269d20f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2c8defa4325addac61889a6dfd925ec95612ee8ae6c30a1bb417d269d20f7d", kill_on_drop: false }`
[INFO] [stdout] dc2c8defa4325addac61889a6dfd925ec95612ee8ae6c30a1bb417d269d20f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a4cb6dda6c4f1dc10bacf1c966dfde64b2737db67e020af64ad2a8f6230c774
[INFO] running `Command { std: "docker" "start" "-a" "7a4cb6dda6c4f1dc10bacf1c966dfde64b2737db67e020af64ad2a8f6230c774", 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 1.38s
[INFO] running `Command { std: "docker" "inspect" "7a4cb6dda6c4f1dc10bacf1c966dfde64b2737db67e020af64ad2a8f6230c774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4cb6dda6c4f1dc10bacf1c966dfde64b2737db67e020af64ad2a8f6230c774", kill_on_drop: false }`
[INFO] [stdout] 7a4cb6dda6c4f1dc10bacf1c966dfde64b2737db67e020af64ad2a8f6230c774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c89c86bb5b0a684ff190a55ffabcd49afba8315e5c8add0ae5756b3654d07e72
[INFO] running `Command { std: "docker" "start" "-a" "c89c86bb5b0a684ff190a55ffabcd49afba8315e5c8add0ae5756b3654d07e72", 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 0.92s
[INFO] running `Command { std: "docker" "inspect" "c89c86bb5b0a684ff190a55ffabcd49afba8315e5c8add0ae5756b3654d07e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c89c86bb5b0a684ff190a55ffabcd49afba8315e5c8add0ae5756b3654d07e72", kill_on_drop: false }`
[INFO] [stdout] c89c86bb5b0a684ff190a55ffabcd49afba8315e5c8add0ae5756b3654d07e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d53bb287d39638607f996c2b0a7652bd1fae8bd37b08453227af975e125e3311
[INFO] running `Command { std: "docker" "start" "-a" "d53bb287d39638607f996c2b0a7652bd1fae8bd37b08453227af975e125e3311", 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] [stderr]     |
[INFO] [stderr] 290 |         for specs in &self.specs {
[INFO] [stderr]     |                      ^^^^^^^^^^^
[INFO] [stderr]     |
[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 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arsc-df2c0362ec1a527c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests arsc
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "d53bb287d39638607f996c2b0a7652bd1fae8bd37b08453227af975e125e3311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53bb287d39638607f996c2b0a7652bd1fae8bd37b08453227af975e125e3311", kill_on_drop: false }`
[INFO] [stdout] d53bb287d39638607f996c2b0a7652bd1fae8bd37b08453227af975e125e3311