[INFO] fetching crate xtra-addons 0.0.1...
[INFO] checking xtra-addons-0.0.1 against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] extracting crate xtra-addons 0.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate xtra-addons 0.0.1 on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xtra-addons 0.0.1
[INFO] finished tweaking crates.io crate xtra-addons 0.0.1
[INFO] tweaked toml for crates.io crate xtra-addons 0.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-util v0.3.12
[INFO] [stderr]   Downloaded flume v0.10.1
[INFO] [stderr]   Downloaded futures-task v0.3.12
[INFO] [stderr]   Downloaded pin-project-internal v1.0.4
[INFO] [stderr]   Downloaded futures-channel v0.3.12
[INFO] [stderr]   Downloaded async-process v1.0.1
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded futures-executor v0.3.12
[INFO] [stderr]   Downloaded spin v0.7.1
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded async-attributes v1.1.2
[INFO] [stderr]   Downloaded scoped-tls v1.0.0
[INFO] [stderr]   Downloaded spinning_top v0.2.2
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded async-io v1.3.1
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded xtra v0.5.0-rc.1
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded catty v0.1.4
[INFO] [stderr]   Downloaded pollster v0.2.1
[INFO] [stderr]   Downloaded futures v0.3.12
[INFO] [stderr]   Downloaded async-trait v0.1.42
[INFO] [stderr]   Downloaded pin-project v1.0.4
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.7
[INFO] [stderr]   Downloaded async-mutex v1.4.0
[INFO] [stderr]   Downloaded async-global-executor v2.0.2
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded blocking v1.0.2
[INFO] [stderr]   Downloaded spinny v0.2.2
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded futures-lite v1.11.3
[INFO] [stderr]   Downloaded gloo-timers v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.20
[INFO] [stderr]   Downloaded async-std v1.9.0
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded generator v0.6.23
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded barrage v0.2.1
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded futures-core v0.3.12
[INFO] [stderr]   Downloaded futures-sink v0.3.12
[INFO] [stderr]   Downloaded pin-project-lite v0.2.4
[INFO] [stderr]   Downloaded futures-io v0.3.12
[INFO] [stderr]   Downloaded futures-macro v0.3.12
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd6efff250c6b814bb57e2f400db51b1fbdd6b3bc0bf07c8ed7cdbddae72e4ff
[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" "dd6efff250c6b814bb57e2f400db51b1fbdd6b3bc0bf07c8ed7cdbddae72e4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd6efff250c6b814bb57e2f400db51b1fbdd6b3bc0bf07c8ed7cdbddae72e4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd6efff250c6b814bb57e2f400db51b1fbdd6b3bc0bf07c8ed7cdbddae72e4ff", kill_on_drop: false }`
[INFO] [stdout] dd6efff250c6b814bb57e2f400db51b1fbdd6b3bc0bf07c8ed7cdbddae72e4ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70b3e23ab269a87a15e3a083d7e4b1e01a8018ef177a7354f2e29c396ba9e813
[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" "70b3e23ab269a87a15e3a083d7e4b1e01a8018ef177a7354f2e29c396ba9e813", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking spin v0.7.1
[INFO] [stderr]     Checking pollster v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking log v0.4.13
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking catty v0.1.4
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking spinny v0.2.2
[INFO] [stderr]     Checking spinning_top v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking barrage v0.2.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking flume v0.10.1
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking xtra v0.5.0-rc.1
[INFO] [stderr]     Checking xtra-addons v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.19s
[INFO] running `Command { std: "docker" "inspect" "70b3e23ab269a87a15e3a083d7e4b1e01a8018ef177a7354f2e29c396ba9e813", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70b3e23ab269a87a15e3a083d7e4b1e01a8018ef177a7354f2e29c396ba9e813", kill_on_drop: false }`
[INFO] [stdout] 70b3e23ab269a87a15e3a083d7e4b1e01a8018ef177a7354f2e29c396ba9e813