[INFO] fetching crate rmodbus 0.9.5...
[INFO] checking rmodbus-0.9.5 against master#a83f933a9da258cf037e3cab37cd486bfd861a7d for pr-125384-1
[INFO] extracting crate rmodbus 0.9.5 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rmodbus 0.9.5 on toolchain a83f933a9da258cf037e3cab37cd486bfd861a7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rmodbus 0.9.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rmodbus 0.9.5
[INFO] tweaked toml for crates.io crate rmodbus 0.9.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rmodbus 0.9.5 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" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ioctl-rs v0.1.6
[INFO] [stderr]   Downloaded serial v0.4.0
[INFO] [stderr]   Downloaded serial-windows v0.4.0
[INFO] [stderr]   Downloaded serial-unix v0.4.0
[INFO] [stderr]   Downloaded serial-core v0.4.0
[INFO] [stderr]   Downloaded termios v0.2.2
[INFO] [stderr]   Downloaded serde_arrays v0.1.0
[INFO] [stderr]   Downloaded bincode_derive v2.0.0-rc.2
[INFO] [stderr]   Downloaded unicode-ident v1.0.6
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded fixedvec v0.2.4
[INFO] [stderr]   Downloaded virtue v0.0.8
[INFO] [stderr]   Downloaded syn v2.0.15
[INFO] [stderr]   Downloaded bincode v2.0.0-rc.2
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded defmt-macros v0.3.7
[INFO] [stderr]   Downloaded defmt v0.3.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded serde_derive v1.0.160
[INFO] [stderr]   Downloaded serde v1.0.160
[INFO] [stderr]   Downloaded ieee754 v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8561ae7277fa5215ef6dec5e5ebca3352927d92d01e3ef3706c8d43c63db6a2
[INFO] running `Command { std: "docker" "start" "-a" "d8561ae7277fa5215ef6dec5e5ebca3352927d92d01e3ef3706c8d43c63db6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8561ae7277fa5215ef6dec5e5ebca3352927d92d01e3ef3706c8d43c63db6a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8561ae7277fa5215ef6dec5e5ebca3352927d92d01e3ef3706c8d43c63db6a2", kill_on_drop: false }`
[INFO] [stdout] d8561ae7277fa5215ef6dec5e5ebca3352927d92d01e3ef3706c8d43c63db6a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc2758af6404da41c56081947558cec42c2808d9198404a13a78136c4e471b3f
[INFO] running `Command { std: "docker" "start" "-a" "dc2758af6404da41c56081947558cec42c2808d9198404a13a78136c4e471b3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling virtue v0.0.8
[INFO] [stderr]    Compiling crc16 v0.4.0
[INFO] [stderr]     Checking ieee754 v0.2.6
[INFO] [stderr]     Checking fixedvec v0.2.4
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking rmodbus v0.9.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bincode_derive v2.0.0-rc.2
[INFO] [stderr]     Checking ioctl-rs v0.1.6
[INFO] [stderr]     Checking serial-core v0.4.0
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking serial-unix v0.4.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking serial v0.4.0
[INFO] [stderr]     Checking bincode v2.0.0-rc.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "dc2758af6404da41c56081947558cec42c2808d9198404a13a78136c4e471b3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc2758af6404da41c56081947558cec42c2808d9198404a13a78136c4e471b3f", kill_on_drop: false }`
[INFO] [stdout] dc2758af6404da41c56081947558cec42c2808d9198404a13a78136c4e471b3f