[INFO] fetching crate xactor 0.7.7...
[INFO] checking xactor-0.7.7 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate xactor 0.7.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate xactor 0.7.7 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xactor 0.7.7
[INFO] finished tweaking crates.io crate xactor 0.7.7
[INFO] tweaked toml for crates.io crate xactor 0.7.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate xactor 0.7.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-internal v0.4.23
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.6
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded async-attributes v1.1.1
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded event-listener v2.3.0
[INFO] [stderr]   Downloaded pin-project v0.4.23
[INFO] [stderr]   Downloaded async-std v1.6.2
[INFO] [stderr]   Downloaded web-sys v0.3.44
[INFO] [stderr]   Downloaded waker-fn v1.0.0
[INFO] [stderr]   Downloaded syn v1.0.37
[INFO] [stderr]   Downloaded js-sys v0.3.44
[INFO] [stderr]   Downloaded fastrand v1.3.3
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded blocking v0.4.7
[INFO] [stderr]   Downloaded futures-lite v0.1.10
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded async-channel v1.4.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.17
[INFO] [stderr]   Downloaded concurrent-queue v1.2.0
[INFO] [stderr]   Downloaded parking v1.0.6
[INFO] [stderr]   Downloaded smol v0.1.18
[INFO] [stderr]   Downloaded xactor-derive v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24a156e32434fb5fba4f836ab75a7c295fdccf6b7431a5322f0649c134d06e2d
[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" "24a156e32434fb5fba4f836ab75a7c295fdccf6b7431a5322f0649c134d06e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24a156e32434fb5fba4f836ab75a7c295fdccf6b7431a5322f0649c134d06e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24a156e32434fb5fba4f836ab75a7c295fdccf6b7431a5322f0649c134d06e2d", kill_on_drop: false }`
[INFO] [stdout] 24a156e32434fb5fba4f836ab75a7c295fdccf6b7431a5322f0649c134d06e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4544b52db1dfffaa1b29c30878e467d092032a1a5ddb1827207db258c2876ef3
[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" "4544b52db1dfffaa1b29c30878e467d092032a1a5ddb1827207db258c2876ef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.37
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking event-listener v2.3.0
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking concurrent-queue v1.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling xactor-derive v0.7.1
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking xactor v0.7.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.41s
[INFO] running `Command { std: "docker" "inspect" "4544b52db1dfffaa1b29c30878e467d092032a1a5ddb1827207db258c2876ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4544b52db1dfffaa1b29c30878e467d092032a1a5ddb1827207db258c2876ef3", kill_on_drop: false }`
[INFO] [stdout] 4544b52db1dfffaa1b29c30878e467d092032a1a5ddb1827207db258c2876ef3