[INFO] fetching crate flowrstructs 0.33.0...
[INFO] checking flowrstructs-0.33.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate flowrstructs 0.33.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate flowrstructs 0.33.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowrstructs 0.33.0
[INFO] finished tweaking crates.io crate flowrstructs 0.33.0
[INFO] tweaked toml for crates.io crate flowrstructs 0.33.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", 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] 382cbabab8bca21b2ea1739f7437bc34deef4dcea15b658ce3b91bfed5f94a72
[INFO] running `Command { std: "docker" "start" "-a" "382cbabab8bca21b2ea1739f7437bc34deef4dcea15b658ce3b91bfed5f94a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "382cbabab8bca21b2ea1739f7437bc34deef4dcea15b658ce3b91bfed5f94a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382cbabab8bca21b2ea1739f7437bc34deef4dcea15b658ce3b91bfed5f94a72", kill_on_drop: false }`
[INFO] [stdout] 382cbabab8bca21b2ea1739f7437bc34deef4dcea15b658ce3b91bfed5f94a72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff7be835a137e5034e4d24c26d2248524bcfba69bfd1bbacca71ea732b238e33
[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" "ff7be835a137e5034e4d24c26d2248524bcfba69bfd1bbacca71ea732b238e33", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling curl v0.4.34
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking simpath v1.4.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.39+curl-7.74.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking flow_impl v0.21.0
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking provider v0.25.0
[INFO] [stderr]     Checking flowrstructs v0.33.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib_manifest.rs:186:27
[INFO] [stdout]     |
[INFO] [stdout] 186 |         struct TestImpl {};
[INFO] [stdout]     |                           ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.14s
[INFO] running `Command { std: "docker" "inspect" "ff7be835a137e5034e4d24c26d2248524bcfba69bfd1bbacca71ea732b238e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff7be835a137e5034e4d24c26d2248524bcfba69bfd1bbacca71ea732b238e33", kill_on_drop: false }`
[INFO] [stdout] ff7be835a137e5034e4d24c26d2248524bcfba69bfd1bbacca71ea732b238e33