[INFO] fetching crate nstack 0.10.0-rc.0...
[INFO] checking nstack-0.10.0-rc.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate nstack 0.10.0-rc.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nstack 0.10.0-rc.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edbd09c76e013394a612c3a9f2f918c23dd5475886ee75736e05ee42583b47f4
[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" "edbd09c76e013394a612c3a9f2f918c23dd5475886ee75736e05ee42583b47f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edbd09c76e013394a612c3a9f2f918c23dd5475886ee75736e05ee42583b47f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edbd09c76e013394a612c3a9f2f918c23dd5475886ee75736e05ee42583b47f4", kill_on_drop: false }`
[INFO] [stdout] edbd09c76e013394a612c3a9f2f918c23dd5475886ee75736e05ee42583b47f4
[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=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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--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] 6663ef0f68d347ea50852cfb80f6bffcdb640f813c3bfd67ff7bb44cd1d90da1
[INFO] running `Command { std: "docker" "start" "-a" "6663ef0f68d347ea50852cfb80f6bffcdb640f813c3bfd67ff7bb44cd1d90da1", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling arbitrary v1.0.1
[INFO] [stderr]    Compiling dusk-varint v0.1.0
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling blake2b_simd v0.3.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling 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 12.90s
[INFO] running `Command { std: "docker" "inspect" "6663ef0f68d347ea50852cfb80f6bffcdb640f813c3bfd67ff7bb44cd1d90da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6663ef0f68d347ea50852cfb80f6bffcdb640f813c3bfd67ff7bb44cd1d90da1", kill_on_drop: false }`
[INFO] [stdout] 6663ef0f68d347ea50852cfb80f6bffcdb640f813c3bfd67ff7bb44cd1d90da1