[INFO] fetching crate symbolic-unreal 8.0.5...
[INFO] checking symbolic-unreal-8.0.5 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate symbolic-unreal 8.0.5 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate symbolic-unreal 8.0.5 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic-unreal 8.0.5
[INFO] finished tweaking crates.io crate symbolic-unreal 8.0.5
[INFO] tweaked toml for crates.io crate symbolic-unreal 8.0.5 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--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 elementtree v0.5.0
[INFO] [stderr]   Downloaded string_cache v0.8.1
[INFO] [stderr]   Downloaded anylog v0.6.1
[INFO] [stderr]   Downloaded similar-asserts v1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 207fbb139dc524a447dff97afa503cec74937277be947eca36a87d48436e9bb4
[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" "207fbb139dc524a447dff97afa503cec74937277be947eca36a87d48436e9bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "207fbb139dc524a447dff97afa503cec74937277be947eca36a87d48436e9bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "207fbb139dc524a447dff97afa503cec74937277be947eca36a87d48436e9bb4", kill_on_drop: false }`
[INFO] [stdout] 207fbb139dc524a447dff97afa503cec74937277be947eca36a87d48436e9bb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40deef9dc5f5a775c53970fa298a72669d1327f0f2a4dd77c93d42eb8bd3f6b9
[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" "40deef9dc5f5a775c53970fa298a72669d1327f0f2a4dd77c93d42eb8bd3f6b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]     Checking anylog v0.6.1
[INFO] [stderr]     Checking similar-asserts v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking elementtree v0.5.0
[INFO] [stderr]     Checking symbolic-unreal v8.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking insta v1.7.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.10s
[INFO] running `Command { std: "docker" "inspect" "40deef9dc5f5a775c53970fa298a72669d1327f0f2a4dd77c93d42eb8bd3f6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40deef9dc5f5a775c53970fa298a72669d1327f0f2a4dd77c93d42eb8bd3f6b9", kill_on_drop: false }`
[INFO] [stdout] 40deef9dc5f5a775c53970fa298a72669d1327f0f2a4dd77c93d42eb8bd3f6b9