[INFO] fetching crate stm32f7 0.13.0...
[INFO] testing stm32f7-0.13.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate stm32f7 0.13.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate stm32f7 0.13.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stm32f7 0.13.0
[INFO] finished tweaking crates.io crate stm32f7 0.13.0
[INFO] tweaked toml for crates.io crate stm32f7 0.13.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eec6cb10da3ddf2404bc82aa29b8105ade6133578ae80836e19bab70046aa0f5
[INFO] running `Command { std: "docker" "start" "-a" "eec6cb10da3ddf2404bc82aa29b8105ade6133578ae80836e19bab70046aa0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eec6cb10da3ddf2404bc82aa29b8105ade6133578ae80836e19bab70046aa0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec6cb10da3ddf2404bc82aa29b8105ade6133578ae80836e19bab70046aa0f5", kill_on_drop: false }`
[INFO] [stdout] eec6cb10da3ddf2404bc82aa29b8105ade6133578ae80836e19bab70046aa0f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b03ca2ef243a222048fbe6455dfc2ad2097e613cb4adde96b65cbed72f9a735
[INFO] running `Command { std: "docker" "start" "-a" "2b03ca2ef243a222048fbe6455dfc2ad2097e613cb4adde96b65cbed72f9a735", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcell v0.1.3
[INFO] [stderr]    Compiling stm32f7 v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling embedded-hal v0.2.5
[INFO] [stderr]    Compiling volatile-register v0.2.0
[INFO] [stderr]    Compiling cortex-m v0.7.3
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/generic.rs:162:19
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub(crate) fn new(bits: U) -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "2b03ca2ef243a222048fbe6455dfc2ad2097e613cb4adde96b65cbed72f9a735", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b03ca2ef243a222048fbe6455dfc2ad2097e613cb4adde96b65cbed72f9a735", kill_on_drop: false }`
[INFO] [stdout] 2b03ca2ef243a222048fbe6455dfc2ad2097e613cb4adde96b65cbed72f9a735
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35c9aa2459ca4c6ea86efb003467ef3935dc113b4efbc9091c868b94d9144188
[INFO] running `Command { std: "docker" "start" "-a" "35c9aa2459ca4c6ea86efb003467ef3935dc113b4efbc9091c868b94d9144188", kill_on_drop: false }`
[INFO] [stderr]    Compiling stm32f7 v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/generic.rs:162:19
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub(crate) fn new(bits: U) -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/generic.rs:162:19
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub(crate) fn new(bits: U) -> Self {
[INFO] [stdout]     |                   ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "35c9aa2459ca4c6ea86efb003467ef3935dc113b4efbc9091c868b94d9144188", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c9aa2459ca4c6ea86efb003467ef3935dc113b4efbc9091c868b94d9144188", kill_on_drop: false }`
[INFO] [stdout] 35c9aa2459ca4c6ea86efb003467ef3935dc113b4efbc9091c868b94d9144188
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7a80f25953f8fdffd397bb333a02f0ddb03b2076c8d57e8020564be8014a57e
[INFO] running `Command { std: "docker" "start" "-a" "c7a80f25953f8fdffd397bb333a02f0ddb03b2076c8d57e8020564be8014a57e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/generic.rs:162:19
[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] 162 |     pub(crate) fn new(bits: U) -> Self {
[INFO] [stdout] 
[INFO] [stderr]     |                   ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stm32f7` (lib) generated 1 warning
[INFO] [stderr] warning: `stm32f7` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stm32f7-6bb0def6912b1389)
[INFO] [stderr]    Doc-tests stm32f7
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/generic.rs - generic::Reg<U, REG>::modify (line 123) ... ignored
[INFO] [stdout] test src/generic.rs - generic::Reg<U, REG>::modify (line 129) ... ignored
[INFO] [stdout] test src/generic.rs - generic::Reg<U, REG>::read (line 40) ... ignored
[INFO] [stdout] test src/generic.rs - generic::Reg<U, REG>::read (line 44) ... ignored
[INFO] [stdout] test src/generic.rs - generic::Reg<U, REG>::write (line 77) ... ignored
[INFO] [stdout] test src/generic.rs - generic::Reg<U, REG>::write (line 81) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 6 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7a80f25953f8fdffd397bb333a02f0ddb03b2076c8d57e8020564be8014a57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a80f25953f8fdffd397bb333a02f0ddb03b2076c8d57e8020564be8014a57e", kill_on_drop: false }`
[INFO] [stdout] c7a80f25953f8fdffd397bb333a02f0ddb03b2076c8d57e8020564be8014a57e