[INFO] fetching crate rmp 0.8.14...
[INFO] checking rmp-0.8.14 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate rmp 0.8.14 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rmp 0.8.14
[INFO] finished tweaking crates.io crate rmp 0.8.14
[INFO] tweaked toml for crates.io crate rmp 0.8.14 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmp 0.8.14 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] crate crates.io crate rmp 0.8.14 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 8d39e627f9211e311a75dbdc54337d3e91a4cfb21a5191fd5d8a0b8452f8ada5
[INFO] running `Command { std: "docker" "start" "-a" "8d39e627f9211e311a75dbdc54337d3e91a4cfb21a5191fd5d8a0b8452f8ada5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d39e627f9211e311a75dbdc54337d3e91a4cfb21a5191fd5d8a0b8452f8ada5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d39e627f9211e311a75dbdc54337d3e91a4cfb21a5191fd5d8a0b8452f8ada5", kill_on_drop: false }`
[INFO] [stdout] 8d39e627f9211e311a75dbdc54337d3e91a4cfb21a5191fd5d8a0b8452f8ada5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f97bf8f8e498fbfe686e6e52e245f340d115ac39d0a3a3475d5eac896beea3cc
[INFO] running `Command { std: "docker" "start" "-a" "f97bf8f8e498fbfe686e6e52e245f340d115ac39d0a3a3475d5eac896beea3cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rmp v0.8.14 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MarkerWriteError` is never constructed
[INFO] [stdout]    --> src/decode/mod.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 | struct MarkerWriteError<E: RmpReadErr>(E);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stdout] warning: struct `MarkerWriteError` is never constructed
[INFO] [stdout]    --> src/decode/mod.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 | struct MarkerWriteError<E: RmpReadErr>(E);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.92s
[INFO] running `Command { std: "docker" "inspect" "f97bf8f8e498fbfe686e6e52e245f340d115ac39d0a3a3475d5eac896beea3cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f97bf8f8e498fbfe686e6e52e245f340d115ac39d0a3a3475d5eac896beea3cc", kill_on_drop: false }`
[INFO] [stdout] f97bf8f8e498fbfe686e6e52e245f340d115ac39d0a3a3475d5eac896beea3cc