[INFO] fetching crate arsert 0.0.2...
[INFO] checking arsert-0.0.2 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate arsert 0.0.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate arsert 0.0.2 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arsert 0.0.2
[INFO] finished tweaking crates.io crate arsert 0.0.2
[INFO] tweaked toml for crates.io crate arsert 0.0.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arsert_impl v0.0.2
[INFO] [stderr]   Downloaded lazy_static v1.1.1
[INFO] [stderr]   Downloaded version-sync v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92812e96f4680c8bb72529a3d49a5eac08b81addbaa5560591398106936ea57f
[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" "92812e96f4680c8bb72529a3d49a5eac08b81addbaa5560591398106936ea57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92812e96f4680c8bb72529a3d49a5eac08b81addbaa5560591398106936ea57f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92812e96f4680c8bb72529a3d49a5eac08b81addbaa5560591398106936ea57f", kill_on_drop: false }`
[INFO] [stdout] 92812e96f4680c8bb72529a3d49a5eac08b81addbaa5560591398106936ea57f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6923d0b2cc5c0110b9c4f784d499996d47eab9b32a7c35f1ec773b9deb22dae
[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" "e6923d0b2cc5c0110b9c4f784d499996d47eab9b32a7c35f1ec773b9deb22dae", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling arsert_failure v0.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling lazy_static v1.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking version-sync v0.6.0
[INFO] [stderr]    Compiling arsert_impl v0.0.2
[INFO] [stderr]     Checking arsert v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.22s
[INFO] running `Command { std: "docker" "inspect" "e6923d0b2cc5c0110b9c4f784d499996d47eab9b32a7c35f1ec773b9deb22dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6923d0b2cc5c0110b9c4f784d499996d47eab9b32a7c35f1ec773b9deb22dae", kill_on_drop: false }`
[INFO] [stdout] e6923d0b2cc5c0110b9c4f784d499996d47eab9b32a7c35f1ec773b9deb22dae