[INFO] fetching crate const-tweaker-attribute 0.5.0...
[INFO] testing const-tweaker-attribute-0.5.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate const-tweaker-attribute 0.5.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate const-tweaker-attribute 0.5.0 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 const-tweaker-attribute 0.5.0
[INFO] finished tweaking crates.io crate const-tweaker-attribute 0.5.0
[INFO] tweaked toml for crates.io crate const-tweaker-attribute 0.5.0 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] a51ad934a92881a3cf609dd5d38ea6f8c4b41dc405cf48d4d2dad8d66e37ec56
[INFO] running `Command { std: "docker" "start" "-a" "a51ad934a92881a3cf609dd5d38ea6f8c4b41dc405cf48d4d2dad8d66e37ec56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a51ad934a92881a3cf609dd5d38ea6f8c4b41dc405cf48d4d2dad8d66e37ec56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a51ad934a92881a3cf609dd5d38ea6f8c4b41dc405cf48d4d2dad8d66e37ec56", kill_on_drop: false }`
[INFO] [stdout] a51ad934a92881a3cf609dd5d38ea6f8c4b41dc405cf48d4d2dad8d66e37ec56
[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] 359cc3571eeff326f78b2b832ed5aa844f42d8535454c95111e3c634712685e8
[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" "359cc3571eeff326f78b2b832ed5aa844f42d8535454c95111e3c634712685e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling const-tweaker-attribute v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.13s
[INFO] running `Command { std: "docker" "inspect" "359cc3571eeff326f78b2b832ed5aa844f42d8535454c95111e3c634712685e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359cc3571eeff326f78b2b832ed5aa844f42d8535454c95111e3c634712685e8", kill_on_drop: false }`
[INFO] [stdout] 359cc3571eeff326f78b2b832ed5aa844f42d8535454c95111e3c634712685e8
[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] [stdout] 3aa568815e2c3df9cbc2e4f850895433fbc325f77ba1d7f8938e7af1d685b6c8
[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" "3aa568815e2c3df9cbc2e4f850895433fbc325f77ba1d7f8938e7af1d685b6c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling const-tweaker-attribute v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "3aa568815e2c3df9cbc2e4f850895433fbc325f77ba1d7f8938e7af1d685b6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa568815e2c3df9cbc2e4f850895433fbc325f77ba1d7f8938e7af1d685b6c8", kill_on_drop: false }`
[INFO] [stdout] 3aa568815e2c3df9cbc2e4f850895433fbc325f77ba1d7f8938e7af1d685b6c8
[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] a731ac71266c9e4efb92a77babe0fa5eb582fe48a22acaf2847257c79540e4fe
[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" "a731ac71266c9e4efb92a77babe0fa5eb582fe48a22acaf2847257c79540e4fe", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/const_tweaker_attribute-8d7ac41acc839be8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests const-tweaker-attribute
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "a731ac71266c9e4efb92a77babe0fa5eb582fe48a22acaf2847257c79540e4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a731ac71266c9e4efb92a77babe0fa5eb582fe48a22acaf2847257c79540e4fe", kill_on_drop: false }`
[INFO] [stdout] a731ac71266c9e4efb92a77babe0fa5eb582fe48a22acaf2847257c79540e4fe