[INFO] cloning repository https://github.com/jonas-schievink/microrpc-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jonas-schievink/microrpc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonas-schievink%2Fmicrorpc-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonas-schievink%2Fmicrorpc-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1bc706f90f122144075b382ef594a85865ab2547 [INFO] building jonas-schievink/microrpc-rs against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjonas-schievink%2Fmicrorpc-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jonas-schievink/microrpc-rs on toolchain 222c5724ecc922fe67815f428c19f82c129d9386 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jonas-schievink/microrpc-rs [INFO] finished tweaking git repo https://github.com/jonas-schievink/microrpc-rs [INFO] tweaked toml for git repo https://github.com/jonas-schievink/microrpc-rs written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/jonas-schievink/microrpc-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded encode_unicode v0.1.3 [INFO] [stderr] Downloaded rustyline v1.0.0 [INFO] [stderr] Downloaded ioctl-rs v0.1.5 [INFO] [stderr] Downloaded clap v2.22.1 [INFO] [stderr] Downloaded serial v0.3.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 22a47118490abdb83cef67b886e518212cd933dd70cdfabc001fac33540b8423 [INFO] running `Command { std: "docker" "start" "-a" "22a47118490abdb83cef67b886e518212cd933dd70cdfabc001fac33540b8423", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22a47118490abdb83cef67b886e518212cd933dd70cdfabc001fac33540b8423", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22a47118490abdb83cef67b886e518212cd933dd70cdfabc001fac33540b8423", kill_on_drop: false }` [INFO] [stdout] 22a47118490abdb83cef67b886e518212cd933dd70cdfabc001fac33540b8423 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fb9e767f1db8c6be1c781565f5cab20e23d8ce82d8c10134b8ac4c0ff7de26c4 [INFO] running `Command { std: "docker" "start" "-a" "fb9e767f1db8c6be1c781565f5cab20e23d8ce82d8c10134b8ac4c0ff7de26c4", kill_on_drop: false }` [INFO] [stderr] Compiling byteorder v1.0.0 [INFO] [stderr] Compiling microrpc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:91:32 [INFO] [stdout] | [INFO] [stdout] 91 | fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 91 - fn cause(&self) -> Option<&error::Error> { [INFO] [stdout] 91 + fn cause(&self) -> Option<&dyn error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:81:42 [INFO] [stdout] | [INFO] [stdout] 81 | Error::IoError(ref io) => io.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "fb9e767f1db8c6be1c781565f5cab20e23d8ce82d8c10134b8ac4c0ff7de26c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fb9e767f1db8c6be1c781565f5cab20e23d8ce82d8c10134b8ac4c0ff7de26c4", kill_on_drop: false }` [INFO] [stdout] fb9e767f1db8c6be1c781565f5cab20e23d8ce82d8c10134b8ac4c0ff7de26c4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87e63cb5b9355fcc5792cdc8f44f268eee0a0f2db88b1835ee843e8d04152bbe [INFO] running `Command { std: "docker" "start" "-a" "87e63cb5b9355fcc5792cdc8f44f268eee0a0f2db88b1835ee843e8d04152bbe", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] running `Command { std: "docker" "inspect" "87e63cb5b9355fcc5792cdc8f44f268eee0a0f2db88b1835ee843e8d04152bbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87e63cb5b9355fcc5792cdc8f44f268eee0a0f2db88b1835ee843e8d04152bbe", kill_on_drop: false }` [INFO] [stdout] 87e63cb5b9355fcc5792cdc8f44f268eee0a0f2db88b1835ee843e8d04152bbe