[INFO] cloning repository https://github.com/safx/yew-taskboard-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/safx/yew-taskboard-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafx%2Fyew-taskboard-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafx%2Fyew-taskboard-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a943f5aef99f784acfc336bcd60fbc82617dca80
[INFO] checking safx/yew-taskboard-sample against master#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsafx%2Fyew-taskboard-sample" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/safx/yew-taskboard-sample on toolchain 2e5723137b2b88368d018b262a0a823a1423131b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/safx/yew-taskboard-sample
[INFO] finished tweaking git repo https://github.com/safx/yew-taskboard-sample
[INFO] tweaked toml for git repo https://github.com/safx/yew-taskboard-sample written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/safx/yew-taskboard-sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52992ef01198e5bc57e372636284c94d4b333c58abf7d7669eeba5b23dd14dba
[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" "52992ef01198e5bc57e372636284c94d4b333c58abf7d7669eeba5b23dd14dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52992ef01198e5bc57e372636284c94d4b333c58abf7d7669eeba5b23dd14dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52992ef01198e5bc57e372636284c94d4b333c58abf7d7669eeba5b23dd14dba", kill_on_drop: false }`
[INFO] [stdout] 52992ef01198e5bc57e372636284c94d4b333c58abf7d7669eeba5b23dd14dba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7c17510cd5c34ce472d701f21608ef7427cd8440abab494b8dd669644e87647
[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" "d7c17510cd5c34ce472d701f21608ef7427cd8440abab494b8dd669644e87647", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.2
[INFO] [stderr]    Compiling stdweb v0.4.10
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]     Checking yew v0.5.0 (https://github.com/DenisKolodin/yew#504ce8be)
[INFO] [stderr]     Checking yew-taskboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "d7c17510cd5c34ce472d701f21608ef7427cd8440abab494b8dd669644e87647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c17510cd5c34ce472d701f21608ef7427cd8440abab494b8dd669644e87647", kill_on_drop: false }`
[INFO] [stdout] d7c17510cd5c34ce472d701f21608ef7427cd8440abab494b8dd669644e87647