[INFO] fetching crate decent-synquote-alternative 0.1.0...
[INFO] testing decent-synquote-alternative-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate decent-synquote-alternative 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate decent-synquote-alternative 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate decent-synquote-alternative 0.1.0
[INFO] finished tweaking crates.io crate decent-synquote-alternative 0.1.0
[INFO] tweaked toml for crates.io crate decent-synquote-alternative 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "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] faebdae2591ef1f6d0072d17a32b852d1bf4eee623fbfd9c7642f13184b5a7e0
[INFO] running `Command { std: "docker" "start" "-a" "faebdae2591ef1f6d0072d17a32b852d1bf4eee623fbfd9c7642f13184b5a7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faebdae2591ef1f6d0072d17a32b852d1bf4eee623fbfd9c7642f13184b5a7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faebdae2591ef1f6d0072d17a32b852d1bf4eee623fbfd9c7642f13184b5a7e0", kill_on_drop: false }`
[INFO] [stdout] faebdae2591ef1f6d0072d17a32b852d1bf4eee623fbfd9c7642f13184b5a7e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "build" "--frozen" "--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] 9ad076b1756bb229207bb27d0ecb9961f767a5c6d039ae14b54bba9ac0b137e1
[INFO] running `Command { std: "docker" "start" "-a" "9ad076b1756bb229207bb27d0ecb9961f767a5c6d039ae14b54bba9ac0b137e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling decent-synquote-alternative v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "9ad076b1756bb229207bb27d0ecb9961f767a5c6d039ae14b54bba9ac0b137e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ad076b1756bb229207bb27d0ecb9961f767a5c6d039ae14b54bba9ac0b137e1", kill_on_drop: false }`
[INFO] [stdout] 9ad076b1756bb229207bb27d0ecb9961f767a5c6d039ae14b54bba9ac0b137e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f78c4b586c515f342da7c2a8bed17961ba64ca588c92fe34ebcf9ef727b4080c
[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" "f78c4b586c515f342da7c2a8bed17961ba64ca588c92fe34ebcf9ef727b4080c", kill_on_drop: false }`
[INFO] [stderr]    Compiling decent-synquote-alternative v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "f78c4b586c515f342da7c2a8bed17961ba64ca588c92fe34ebcf9ef727b4080c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f78c4b586c515f342da7c2a8bed17961ba64ca588c92fe34ebcf9ef727b4080c", kill_on_drop: false }`
[INFO] [stdout] f78c4b586c515f342da7c2a8bed17961ba64ca588c92fe34ebcf9ef727b4080c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2021-01-01" "test" "--frozen", 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] a6e96da37a42a11caff588b7d131760516ebcc56e860cd204176bd52c9467b70
[INFO] running `Command { std: "docker" "start" "-a" "a6e96da37a42a11caff588b7d131760516ebcc56e860cd204176bd52c9467b70", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/decent_synquote_alternative-d5616060f69f5125
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests decent-synquote-alternative
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a6e96da37a42a11caff588b7d131760516ebcc56e860cd204176bd52c9467b70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e96da37a42a11caff588b7d131760516ebcc56e860cd204176bd52c9467b70", kill_on_drop: false }`
[INFO] [stdout] a6e96da37a42a11caff588b7d131760516ebcc56e860cd204176bd52c9467b70