[INFO] cloning repository https://github.com/conradludgate/flag-bearer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/conradludgate/flag-bearer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fflag-bearer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fflag-bearer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdecdcc7c2dcd78fc382f77d05934e8249ae5ba2
[INFO] building conradludgate/flag-bearer against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fconradludgate%2Fflag-bearer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/conradludgate/flag-bearer on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/conradludgate/flag-bearer
[INFO] finished tweaking git repo https://github.com/conradludgate/flag-bearer
[INFO] tweaked toml for git repo https://github.com/conradludgate/flag-bearer written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/conradludgate/flag-bearer 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/conradludgate/futures-testing`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbtest v0.3.2
[INFO] [stderr]   Downloaded pin-list v0.1.1
[INFO] [stderr]   Downloaded pinned-aliasable v0.1.3
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 730f6e5626c867034e0981b25d35197c6e9ad7f41dd6677f19050654fb18b660
[INFO] running `Command { std: "docker" "start" "-a" "730f6e5626c867034e0981b25d35197c6e9ad7f41dd6677f19050654fb18b660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "730f6e5626c867034e0981b25d35197c6e9ad7f41dd6677f19050654fb18b660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730f6e5626c867034e0981b25d35197c6e9ad7f41dd6677f19050654fb18b660", kill_on_drop: false }`
[INFO] [stdout] 730f6e5626c867034e0981b25d35197c6e9ad7f41dd6677f19050654fb18b660
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3475681cef8ceceeded50f106bfe49d61ca27f975b1abef40989ab2ba8fbf302
[INFO] running `Command { std: "docker" "start" "-a" "3475681cef8ceceeded50f106bfe49d61ca27f975b1abef40989ab2ba8fbf302", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling pinned-aliasable v0.1.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling flag-bearer-core v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-core)
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling pollster v0.4.0
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.5
[INFO] [stderr]    Compiling pin-list v0.1.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling flate2 v1.1.0
[INFO] [stderr]    Compiling flag-bearer-queue v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-queue)
[INFO] [stderr]    Compiling crossbeam-channel v0.5.14
[INFO] [stderr]    Compiling flag-bearer-mutex v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer-mutex)
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling flag-bearer v0.1.0-rc.6 (/opt/rustwide/workdir/flag-bearer)
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling flag-bearer-tests v0.1.0 (/opt/rustwide/workdir/flag-bearer-tests)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.83s
[INFO] running `Command { std: "docker" "inspect" "3475681cef8ceceeded50f106bfe49d61ca27f975b1abef40989ab2ba8fbf302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3475681cef8ceceeded50f106bfe49d61ca27f975b1abef40989ab2ba8fbf302", kill_on_drop: false }`
[INFO] [stdout] 3475681cef8ceceeded50f106bfe49d61ca27f975b1abef40989ab2ba8fbf302
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: open /var/lib/docker/overlay2/3305f98ea04447fbc91386c4710dfc613e5dfb0031cad049c2e0471248035766-init/merged/dev/console: no space left on device