[INFO] fetching crate crabwise-antlr-parser 0.1.2...
[INFO] testing crabwise-antlr-parser-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate crabwise-antlr-parser 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate crabwise-antlr-parser 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crabwise-antlr-parser 0.1.2
[INFO] finished tweaking crates.io crate crabwise-antlr-parser 0.1.2
[INFO] tweaked toml for crates.io crate crabwise-antlr-parser 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3be7286711efd53171339b1a2593fe03fdc174eeaac001f677e1f1f2663813e0
[INFO] running `Command { std: "docker" "start" "-a" "3be7286711efd53171339b1a2593fe03fdc174eeaac001f677e1f1f2663813e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3be7286711efd53171339b1a2593fe03fdc174eeaac001f677e1f1f2663813e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3be7286711efd53171339b1a2593fe03fdc174eeaac001f677e1f1f2663813e0", kill_on_drop: false }`
[INFO] [stdout] 3be7286711efd53171339b1a2593fe03fdc174eeaac001f677e1f1f2663813e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4485229e261bbdd28400461551247558a31199da77d82628f205f5fa761f6bca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4485229e261bbdd28400461551247558a31199da77d82628f205f5fa761f6bca", kill_on_drop: false }`
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling combine-proc-macro v0.3.1
[INFO] [stderr]    Compiling crabwise-antlr-parser v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.50s
[INFO] running `Command { std: "docker" "inspect" "4485229e261bbdd28400461551247558a31199da77d82628f205f5fa761f6bca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4485229e261bbdd28400461551247558a31199da77d82628f205f5fa761f6bca", kill_on_drop: false }`
[INFO] [stdout] 4485229e261bbdd28400461551247558a31199da77d82628f205f5fa761f6bca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70c4487ed2f8af70b2290ce32e1a2a9a3489d684be876ac916b3662439babea0
[INFO] running `Command { std: "docker" "start" "-a" "70c4487ed2f8af70b2290ce32e1a2a9a3489d684be876ac916b3662439babea0", kill_on_drop: false }`
[INFO] [stderr]    Compiling crabwise-antlr-parser v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "70c4487ed2f8af70b2290ce32e1a2a9a3489d684be876ac916b3662439babea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c4487ed2f8af70b2290ce32e1a2a9a3489d684be876ac916b3662439babea0", kill_on_drop: false }`
[INFO] [stdout] 70c4487ed2f8af70b2290ce32e1a2a9a3489d684be876ac916b3662439babea0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e4ca6b357f3a9f387781571585a0673b0023f54afb302a6edf308693ccf2a3f3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e4ca6b357f3a9f387781571585a0673b0023f54afb302a6edf308693ccf2a3f3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crabwise_antlr_parser-e5c79c974598f9fb
[INFO] [stderr]    Doc-tests crabwise-antlr-parser
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e4ca6b357f3a9f387781571585a0673b0023f54afb302a6edf308693ccf2a3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4ca6b357f3a9f387781571585a0673b0023f54afb302a6edf308693ccf2a3f3", kill_on_drop: false }`
[INFO] [stdout] e4ca6b357f3a9f387781571585a0673b0023f54afb302a6edf308693ccf2a3f3