[INFO] fetching crate bern-test 0.1.0...
[INFO] checking bern-test-0.1.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate bern-test 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bern-test 0.1.0 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding rtt-target v0.3.1 (latest: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bern-test-macros v0.1.0
[INFO] [stderr]   Downloaded ufmt-write v0.1.0
[INFO] [stderr]   Downloaded rtt-target v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b1532cc8060798755d62324f8a020b7560983fbffacdc9da88601098c0a6a30
[INFO] running `Command { std: "docker" "start" "-a" "1b1532cc8060798755d62324f8a020b7560983fbffacdc9da88601098c0a6a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b1532cc8060798755d62324f8a020b7560983fbffacdc9da88601098c0a6a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1532cc8060798755d62324f8a020b7560983fbffacdc9da88601098c0a6a30", kill_on_drop: false }`
[INFO] [stdout] 1b1532cc8060798755d62324f8a020b7560983fbffacdc9da88601098c0a6a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7b38da3a59ed5214786891927e494ca5125aff855b7b3dd014a2446d1cb5828
[INFO] running `Command { std: "docker" "start" "-a" "e7b38da3a59ed5214786891927e494ca5125aff855b7b3dd014a2446d1cb5828", kill_on_drop: false }`
[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] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0512`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[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 3 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 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "e7b38da3a59ed5214786891927e494ca5125aff855b7b3dd014a2446d1cb5828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b38da3a59ed5214786891927e494ca5125aff855b7b3dd014a2446d1cb5828", kill_on_drop: false }`
[INFO] [stdout] e7b38da3a59ed5214786891927e494ca5125aff855b7b3dd014a2446d1cb5828
[INFO] checking bern-test-0.1.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate bern-test 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate bern-test 0.1.0 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding rtt-target v0.3.1 (latest: v0.5.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d818c0c4b643473cd41b05e9ce85e397de6e186af74e0b02c21d8e99bbc82dbc
[INFO] running `Command { std: "docker" "start" "-a" "d818c0c4b643473cd41b05e9ce85e397de6e186af74e0b02c21d8e99bbc82dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d818c0c4b643473cd41b05e9ce85e397de6e186af74e0b02c21d8e99bbc82dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d818c0c4b643473cd41b05e9ce85e397de6e186af74e0b02c21d8e99bbc82dbc", kill_on_drop: false }`
[INFO] [stdout] d818c0c4b643473cd41b05e9ce85e397de6e186af74e0b02c21d8e99bbc82dbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5540fe94d0e9bf9ab406a8e5abf452a2c2af737d67f8600039607e10b5430edd
[INFO] running `Command { std: "docker" "start" "-a" "5540fe94d0e9bf9ab406a8e5abf452a2c2af737d67f8600039607e10b5430edd", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "5540fe94d0e9bf9ab406a8e5abf452a2c2af737d67f8600039607e10b5430edd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5540fe94d0e9bf9ab406a8e5abf452a2c2af737d67f8600039607e10b5430edd", kill_on_drop: false }`
[INFO] [stdout] 5540fe94d0e9bf9ab406a8e5abf452a2c2af737d67f8600039607e10b5430edd