[INFO] fetching crate hc-sr04 0.1.2...
[INFO] testing hc-sr04-0.1.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate hc-sr04 0.1.2 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate hc-sr04 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hc-sr04 0.1.2
[INFO] tweaked toml for crates.io crate hc-sr04 0.1.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hc-sr04 0.1.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hc-sr04 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rppal v0.17.1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cb23d8c336480c492b561f0b9bdf0d845fd48b7642893226c015b335a5c81f3
[INFO] running `Command { std: "docker" "start" "-a" "7cb23d8c336480c492b561f0b9bdf0d845fd48b7642893226c015b335a5c81f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cb23d8c336480c492b561f0b9bdf0d845fd48b7642893226c015b335a5c81f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb23d8c336480c492b561f0b9bdf0d845fd48b7642893226c015b335a5c81f3", kill_on_drop: false }`
[INFO] [stdout] 7cb23d8c336480c492b561f0b9bdf0d845fd48b7642893226c015b335a5c81f3
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd4f7c34a4c61b53e27c24d4b4a5ff6214a6aa429f33febaeafe09e0f1908230
[INFO] running `Command { std: "docker" "start" "-a" "dd4f7c34a4c61b53e27c24d4b4a5ff6214a6aa429f33febaeafe09e0f1908230", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling rppal v0.17.1
[INFO] [stderr]    Compiling hc-sr04 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "dd4f7c34a4c61b53e27c24d4b4a5ff6214a6aa429f33febaeafe09e0f1908230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd4f7c34a4c61b53e27c24d4b4a5ff6214a6aa429f33febaeafe09e0f1908230", kill_on_drop: false }`
[INFO] [stdout] dd4f7c34a4c61b53e27c24d4b4a5ff6214a6aa429f33febaeafe09e0f1908230
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69c6217122711fd6e166e25355e42655283e286f5dd0001e94a180ce0ac02e27
[INFO] running `Command { std: "docker" "start" "-a" "69c6217122711fd6e166e25355e42655283e286f5dd0001e94a180ce0ac02e27", kill_on_drop: false }`
[INFO] [stderr]    Compiling hc-sr04 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "69c6217122711fd6e166e25355e42655283e286f5dd0001e94a180ce0ac02e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69c6217122711fd6e166e25355e42655283e286f5dd0001e94a180ce0ac02e27", kill_on_drop: false }`
[INFO] [stdout] 69c6217122711fd6e166e25355e42655283e286f5dd0001e94a180ce0ac02e27
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2be3680160368f653728465a5095ea5f7f671d0c4f0f209a0f771b640107bf6a
[INFO] running `Command { std: "docker" "start" "-a" "2be3680160368f653728465a5095ea5f7f671d0c4f0f209a0f771b640107bf6a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hc_sr04-d21b45e9ae5f22ed)
[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] [stderr]    Doc-tests hc_sr04
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 51) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 29) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 51) stdout ----
[INFO] [stdout] error: invalid format string: expected `}`, found `.`
[INFO] [stdout]   --> src/lib.rs:63:40
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Some(dist) => println!("Distance: {.1}cm", dist),
[INFO] [stdout]    |                                       -^ expected `}` in format string
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       because of this opening brace
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to print `{`, you can escape it using `{{`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 29) stdout ----
[INFO] [stdout] error: invalid format string: expected `}`, found `.`
[INFO] [stdout]   --> src/lib.rs:42:40
[INFO] [stdout]    |
[INFO] [stdout] 42 |     Some(dist) => println!("Distance: {.2}m", dist),
[INFO] [stdout]    |                                       -^ expected `}` in format string
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       because of this opening brace
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you intended to print `{`, you can escape it using `{{`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 29)
[INFO] [stdout]     src/lib.rs - (line 51)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2be3680160368f653728465a5095ea5f7f671d0c4f0f209a0f771b640107bf6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be3680160368f653728465a5095ea5f7f671d0c4f0f209a0f771b640107bf6a", kill_on_drop: false }`
[INFO] [stdout] 2be3680160368f653728465a5095ea5f7f671d0c4f0f209a0f771b640107bf6a