[INFO] fetching crate sapling-mincode 0.1.0...
[INFO] building sapling-mincode-0.1.0 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate sapling-mincode 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate sapling-mincode 0.1.0 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sapling-mincode 0.1.0
[INFO] finished tweaking crates.io crate sapling-mincode 0.1.0
[INFO] tweaked toml for crates.io crate sapling-mincode 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: failed to write /workspace/builds/worker-2-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] building sapling-mincode-0.1.0 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] extracting crate sapling-mincode 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate sapling-mincode 0.1.0 on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sapling-mincode 0.1.0
[INFO] finished tweaking crates.io crate sapling-mincode 0.1.0
[INFO] tweaked toml for crates.io crate sapling-mincode 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] baf044129e5ffc500ae3454cf6967228cdfa79dd0ee9f2d2f8c2c32220011741
[INFO] running `Command { std: "docker" "start" "-a" "baf044129e5ffc500ae3454cf6967228cdfa79dd0ee9f2d2f8c2c32220011741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "baf044129e5ffc500ae3454cf6967228cdfa79dd0ee9f2d2f8c2c32220011741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baf044129e5ffc500ae3454cf6967228cdfa79dd0ee9f2d2f8c2c32220011741", kill_on_drop: false }`
[INFO] [stdout] baf044129e5ffc500ae3454cf6967228cdfa79dd0ee9f2d2f8c2c32220011741
[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=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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a93256037385ed51fdce3101107e7632f3d7a3a4ee4a40af928a6ef4eef14ab3
[INFO] running `Command { std: "docker" "start" "-a" "a93256037385ed51fdce3101107e7632f3d7a3a4ee4a40af928a6ef4eef14ab3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling sapling-vlqencoding v0.1.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling sapling-mincode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.22s
[INFO] running `Command { std: "docker" "inspect" "a93256037385ed51fdce3101107e7632f3d7a3a4ee4a40af928a6ef4eef14ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93256037385ed51fdce3101107e7632f3d7a3a4ee4a40af928a6ef4eef14ab3", kill_on_drop: false }`
[INFO] [stdout] a93256037385ed51fdce3101107e7632f3d7a3a4ee4a40af928a6ef4eef14ab3
[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=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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49b87602a7896dd5e53f89af866cdefd632cb80e9365fae5053ece1351c6f37a
[INFO] running `Command { std: "docker" "start" "-a" "49b87602a7896dd5e53f89af866cdefd632cb80e9365fae5053ece1351c6f37a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling sapling-mincode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.60s
[INFO] running `Command { std: "docker" "inspect" "49b87602a7896dd5e53f89af866cdefd632cb80e9365fae5053ece1351c6f37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b87602a7896dd5e53f89af866cdefd632cb80e9365fae5053ece1351c6f37a", kill_on_drop: false }`
[INFO] [stdout] 49b87602a7896dd5e53f89af866cdefd632cb80e9365fae5053ece1351c6f37a