[INFO] fetching crate bern-test 0.1.0...
[INFO] checking bern-test-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate bern-test 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate bern-test 0.1.0
[INFO] finished tweaking crates.io crate bern-test 0.1.0
[INFO] tweaked toml for crates.io crate bern-test 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bern-test 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]       Adding rtt-target v0.3.1 (available: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce8acd2ffd9bdf9532a8c895ec9ae8571653f64630543632f6f9b4460fb40ce6
[INFO] running `Command { std: "docker" "start" "-a" "ce8acd2ffd9bdf9532a8c895ec9ae8571653f64630543632f6f9b4460fb40ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce8acd2ffd9bdf9532a8c895ec9ae8571653f64630543632f6f9b4460fb40ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce8acd2ffd9bdf9532a8c895ec9ae8571653f64630543632f6f9b4460fb40ce6", kill_on_drop: false }`
[INFO] [stdout] ce8acd2ffd9bdf9532a8c895ec9ae8571653f64630543632f6f9b4460fb40ce6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0a28f5711b25c03b3bb03ad328efb1c01fba78e5623b039e3a92f8c3b679f4e
[INFO] running `Command { std: "docker" "start" "-a" "a0a28f5711b25c03b3bb03ad328efb1c01fba78e5623b039e3a92f8c3b679f4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling bern-test-macros v0.1.0
[INFO] [stderr]     Checking bern-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> src/serial.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 |             TX = mem::transmute(&write);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `&F` (64 bits)
[INFO] [stdout]    = note: target type: `[u8; 4]` (32 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> src/serial.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |             RX = mem::transmute(&read);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `&F` (64 bits)
[INFO] [stdout]    = note: target type: `[u8; 4]` (32 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> src/serial.rs:70:18
[INFO] [stdout]    |
[INFO] [stdout] 70 |             TX = mem::transmute(&write);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `&F` (64 bits)
[INFO] [stdout]    = note: target type: `[u8; 4]` (32 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> src/serial.rs:85:18
[INFO] [stdout]    |
[INFO] [stdout] 85 |             RX = mem::transmute(&read);
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `&F` (64 bits)
[INFO] [stdout]    = note: target type: `[u8; 4]` (32 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bern-test` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `bern-test` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a0a28f5711b25c03b3bb03ad328efb1c01fba78e5623b039e3a92f8c3b679f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0a28f5711b25c03b3bb03ad328efb1c01fba78e5623b039e3a92f8c3b679f4e", kill_on_drop: false }`
[INFO] [stdout] a0a28f5711b25c03b3bb03ad328efb1c01fba78e5623b039e3a92f8c3b679f4e