[INFO] cloning repository https://github.com/cundd/yew-list-problem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cundd/yew-list-problem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcundd%2Fyew-list-problem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcundd%2Fyew-list-problem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2efbb0767dadc053ff744ca2e766509d67b98a17
[INFO] checking cundd/yew-list-problem against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcundd%2Fyew-list-problem" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cundd/yew-list-problem on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cundd/yew-list-problem
[INFO] finished tweaking git repo https://github.com/cundd/yew-list-problem
[INFO] tweaked toml for git repo https://github.com/cundd/yew-list-problem written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/cundd/yew-list-problem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7359eb2a70878557f3a5d7127f9d8fb41729ab7e73003a93cbdca6d707d75391
[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" "7359eb2a70878557f3a5d7127f9d8fb41729ab7e73003a93cbdca6d707d75391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7359eb2a70878557f3a5d7127f9d8fb41729ab7e73003a93cbdca6d707d75391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7359eb2a70878557f3a5d7127f9d8fb41729ab7e73003a93cbdca6d707d75391", kill_on_drop: false }`
[INFO] [stdout] 7359eb2a70878557f3a5d7127f9d8fb41729ab7e73003a93cbdca6d707d75391
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "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] c57ce3a1761edcafc1c27136df337664d0e5c041bf515ff1853330255382b03e
[INFO] running `Command { std: "docker" "start" "-a" "c57ce3a1761edcafc1c27136df337664d0e5c041bf515ff1853330255382b03e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling yew v0.11.1 (https://github.com/yewstack/yew#d4868b0e)
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling yew-macro v0.11.1 (https://github.com/yewstack/yew#d4868b0e)
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]     Checking web_logger v0.2.0
[INFO] [stderr]     Checking yew-app v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "c57ce3a1761edcafc1c27136df337664d0e5c041bf515ff1853330255382b03e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57ce3a1761edcafc1c27136df337664d0e5c041bf515ff1853330255382b03e", kill_on_drop: false }`
[INFO] [stdout] c57ce3a1761edcafc1c27136df337664d0e5c041bf515ff1853330255382b03e