[INFO] fetching crate nstack 0.10.0-rc.0...
[INFO] checking nstack-0.10.0-rc.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate nstack 0.10.0-rc.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate nstack 0.10.0-rc.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain
[INFO] started tweaking crates.io crate nstack 0.10.0-rc.0
[INFO] finished tweaking crates.io crate nstack 0.10.0-rc.0
[INFO] tweaked toml for crates.io crate nstack 0.10.0-rc.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dusk-varint v0.1.0
[INFO] [stderr]   Downloaded blake2b_simd v0.3.1
[INFO] [stderr]   Downloaded canonical_derive v0.6.0
[INFO] [stderr]   Downloaded appendix v0.2.0
[INFO] [stderr]   Downloaded microkelvin v0.10.0-rc.1
[INFO] [stderr]   Downloaded canonical v0.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c192ec5b285ac797300cf3b30cc0a0e66e55ae1bc42424c62416ce46272e6091
[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" "c192ec5b285ac797300cf3b30cc0a0e66e55ae1bc42424c62416ce46272e6091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c192ec5b285ac797300cf3b30cc0a0e66e55ae1bc42424c62416ce46272e6091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c192ec5b285ac797300cf3b30cc0a0e66e55ae1bc42424c62416ce46272e6091", kill_on_drop: false }`
[INFO] [stdout] c192ec5b285ac797300cf3b30cc0a0e66e55ae1bc42424c62416ce46272e6091
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ddfa0c1c25d5e0f71bcc9bc0d1cd6f94e1f7969ebc20eeeb9c6fec6f4129c70
[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" "6ddfa0c1c25d5e0f71bcc9bc0d1cd6f94e1f7969ebc20eeeb9c6fec6f4129c70", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling dusk-varint v0.1.0
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling arbitrary v1.0.1
[INFO] [stderr]     Checking blake2b_simd v0.3.1
[INFO] [stderr]     Checking canonical v0.6.5
[INFO] [stderr]    Compiling canonical_derive v0.6.0
[INFO] [stderr]     Checking microkelvin v0.10.0-rc.1
[INFO] [stderr]     Checking nstack v0.10.0-rc.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `microkelvin::Link::<C, A>::compound_mut`: Please use `inner` instead
[INFO] [stdout]    --> src/lib.rs:194:45
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   match annotated.compound_mut()?._push(t)? {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `microkelvin::Link::<C, A>::compound_mut`: Please use `inner` instead
[INFO] [stdout]    --> src/lib.rs:280:39
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         match subtree.compound_mut()?._pop()? {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `microkelvin::Link::<C, A>::compound_mut`: Please use `inner` instead
[INFO] [stdout]    --> src/lib.rs:194:45
[INFO] [stdout]     |
[INFO] [stdout] 194 | ...                   match annotated.compound_mut()?._push(t)? {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `microkelvin::Link::<C, A>::compound_mut`: Please use `inner` instead
[INFO] [stdout]    --> src/lib.rs:280:39
[INFO] [stdout]     |
[INFO] [stdout] 280 |                         match subtree.compound_mut()?._pop()? {
[INFO] [stdout]     |                                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.67s
[INFO] running `Command { std: "docker" "inspect" "6ddfa0c1c25d5e0f71bcc9bc0d1cd6f94e1f7969ebc20eeeb9c6fec6f4129c70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ddfa0c1c25d5e0f71bcc9bc0d1cd6f94e1f7969ebc20eeeb9c6fec6f4129c70", kill_on_drop: false }`
[INFO] [stdout] 6ddfa0c1c25d5e0f71bcc9bc0d1cd6f94e1f7969ebc20eeeb9c6fec6f4129c70