[INFO] fetching crate rcut-lib 0.0.52... [INFO] building rcut-lib-0.0.52 against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error [INFO] extracting crate rcut-lib 0.0.52 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate rcut-lib 0.0.52 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 rcut-lib 0.0.52 [INFO] finished tweaking crates.io crate rcut-lib 0.0.52 [INFO] tweaked toml for crates.io crate rcut-lib 0.0.52 written to /workspace/builds/worker-4-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 1 package to latest compatible version [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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c87b11bacb01e50543dd16d52e4f8bd2cb5e8854470f6c6a032d5a38ca00235d [INFO] running `Command { std: "docker" "start" "-a" "c87b11bacb01e50543dd16d52e4f8bd2cb5e8854470f6c6a032d5a38ca00235d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c87b11bacb01e50543dd16d52e4f8bd2cb5e8854470f6c6a032d5a38ca00235d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c87b11bacb01e50543dd16d52e4f8bd2cb5e8854470f6c6a032d5a38ca00235d", kill_on_drop: false }` [INFO] [stdout] c87b11bacb01e50543dd16d52e4f8bd2cb5e8854470f6c6a032d5a38ca00235d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] da3589810fa4b0c0e6ee506e45fea2071020f4b812ca7feb4d401042d39f4f2e [INFO] running `Command { std: "docker" "start" "-a" "da3589810fa4b0c0e6ee506e45fea2071020f4b812ca7feb4d401042d39f4f2e", kill_on_drop: false }` [INFO] [stderr] Compiling rtools-traits v0.0.52 [INFO] [stderr] Compiling rcut-lib v0.0.52 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "da3589810fa4b0c0e6ee506e45fea2071020f4b812ca7feb4d401042d39f4f2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da3589810fa4b0c0e6ee506e45fea2071020f4b812ca7feb4d401042d39f4f2e", kill_on_drop: false }` [INFO] [stdout] da3589810fa4b0c0e6ee506e45fea2071020f4b812ca7feb4d401042d39f4f2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ed3588f424557faf1536d65286b153891c3a993f26b24297bb83458cdca67eb7 [INFO] running `Command { std: "docker" "start" "-a" "ed3588f424557faf1536d65286b153891c3a993f26b24297bb83458cdca67eb7", kill_on_drop: false }` [INFO] [stderr] Compiling rcut-lib v0.0.52 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "ed3588f424557faf1536d65286b153891c3a993f26b24297bb83458cdca67eb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed3588f424557faf1536d65286b153891c3a993f26b24297bb83458cdca67eb7", kill_on_drop: false }` [INFO] [stdout] ed3588f424557faf1536d65286b153891c3a993f26b24297bb83458cdca67eb7