[INFO] fetching crate rmp 0.8.14...
[INFO] building rmp-0.8.14 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate rmp 0.8.14 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rmp 0.8.14 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd936eb88c02edb67bce4b703ed67656c9fbd54bbd2192a5ea8e4bac2063e4c9
[INFO] running `Command { std: "docker" "start" "-a" "bd936eb88c02edb67bce4b703ed67656c9fbd54bbd2192a5ea8e4bac2063e4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd936eb88c02edb67bce4b703ed67656c9fbd54bbd2192a5ea8e4bac2063e4c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd936eb88c02edb67bce4b703ed67656c9fbd54bbd2192a5ea8e4bac2063e4c9", kill_on_drop: false }`
[INFO] [stdout] bd936eb88c02edb67bce4b703ed67656c9fbd54bbd2192a5ea8e4bac2063e4c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4561937a2e61eb189204ebc55173cdd1a5ec979fbb7f8152cc00b11b185666e
[INFO] running `Command { std: "docker" "start" "-a" "e4561937a2e61eb189204ebc55173cdd1a5ec979fbb7f8152cc00b11b185666e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "e4561937a2e61eb189204ebc55173cdd1a5ec979fbb7f8152cc00b11b185666e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4561937a2e61eb189204ebc55173cdd1a5ec979fbb7f8152cc00b11b185666e", kill_on_drop: false }`
[INFO] [stdout] e4561937a2e61eb189204ebc55173cdd1a5ec979fbb7f8152cc00b11b185666e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea1b3dd73e6f4c253a3421930ad4d4ea8c39052d57dd778d8cf72fe1bafda206
[INFO] running `Command { std: "docker" "start" "-a" "ea1b3dd73e6f4c253a3421930ad4d4ea8c39052d57dd778d8cf72fe1bafda206", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.73s
[INFO] running `Command { std: "docker" "inspect" "ea1b3dd73e6f4c253a3421930ad4d4ea8c39052d57dd778d8cf72fe1bafda206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1b3dd73e6f4c253a3421930ad4d4ea8c39052d57dd778d8cf72fe1bafda206", kill_on_drop: false }`
[INFO] [stdout] ea1b3dd73e6f4c253a3421930ad4d4ea8c39052d57dd778d8cf72fe1bafda206