[INFO] fetching crate buss-protocol 0.1.0...
[INFO] testing buss-protocol-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate buss-protocol 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate buss-protocol 0.1.0
[INFO] finished tweaking crates.io crate buss-protocol 0.1.0
[INFO] tweaked toml for crates.io crate buss-protocol 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate buss-protocol 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc7be520bbf01dd8a7d36ca5a2d1023657e1c33c759e90e2b55f819b6bed0737
[INFO] running `Command { std: "docker" "start" "-a" "cc7be520bbf01dd8a7d36ca5a2d1023657e1c33c759e90e2b55f819b6bed0737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7be520bbf01dd8a7d36ca5a2d1023657e1c33c759e90e2b55f819b6bed0737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7be520bbf01dd8a7d36ca5a2d1023657e1c33c759e90e2b55f819b6bed0737", kill_on_drop: false }`
[INFO] [stdout] cc7be520bbf01dd8a7d36ca5a2d1023657e1c33c759e90e2b55f819b6bed0737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d9a9d655e52f0df73c7d9afca990fb5ed5c937574ae51c485ce4af4c8edad80
[INFO] running `Command { std: "docker" "start" "-a" "6d9a9d655e52f0df73c7d9afca990fb5ed5c937574ae51c485ce4af4c8edad80", kill_on_drop: false }`
[INFO] [stderr]    Compiling buss-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "6d9a9d655e52f0df73c7d9afca990fb5ed5c937574ae51c485ce4af4c8edad80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d9a9d655e52f0df73c7d9afca990fb5ed5c937574ae51c485ce4af4c8edad80", kill_on_drop: false }`
[INFO] [stdout] 6d9a9d655e52f0df73c7d9afca990fb5ed5c937574ae51c485ce4af4c8edad80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ca51ecbd5303c9ea316512f20fc4550aa236e5ebd1379d1b02589d62f2c9052
[INFO] running `Command { std: "docker" "start" "-a" "7ca51ecbd5303c9ea316512f20fc4550aa236e5ebd1379d1b02589d62f2c9052", kill_on_drop: false }`
[INFO] [stderr]    Compiling buss-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "7ca51ecbd5303c9ea316512f20fc4550aa236e5ebd1379d1b02589d62f2c9052", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca51ecbd5303c9ea316512f20fc4550aa236e5ebd1379d1b02589d62f2c9052", kill_on_drop: false }`
[INFO] [stdout] 7ca51ecbd5303c9ea316512f20fc4550aa236e5ebd1379d1b02589d62f2c9052
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6cf2a66973548e25ffadb2b584578e8fd8d0ec83d1b0287783932ac56390ac64
[INFO] running `Command { std: "docker" "start" "-a" "6cf2a66973548e25ffadb2b584578e8fd8d0ec83d1b0287783932ac56390ac64", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/buss_protocol-cca1e9b9ba72acf0)
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test tests::skeleton ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::skeleton stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::skeleton
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6cf2a66973548e25ffadb2b584578e8fd8d0ec83d1b0287783932ac56390ac64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf2a66973548e25ffadb2b584578e8fd8d0ec83d1b0287783932ac56390ac64", kill_on_drop: false }`
[INFO] [stdout] 6cf2a66973548e25ffadb2b584578e8fd8d0ec83d1b0287783932ac56390ac64