[INFO] fetching crate flowrlib 0.8.8...
[INFO] checking flowrlib-0.8.8 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate flowrlib 0.8.8 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate flowrlib 0.8.8 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowrlib 0.8.8
[INFO] finished tweaking crates.io crate flowrlib 0.8.8
[INFO] tweaked toml for crates.io crate flowrlib 0.8.8 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afc258cfb243e8a386739dc5b951d8fad23b28a7ac91f7466b1cbacf14536d84
[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" "afc258cfb243e8a386739dc5b951d8fad23b28a7ac91f7466b1cbacf14536d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afc258cfb243e8a386739dc5b951d8fad23b28a7ac91f7466b1cbacf14536d84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afc258cfb243e8a386739dc5b951d8fad23b28a7ac91f7466b1cbacf14536d84", kill_on_drop: false }`
[INFO] [stdout] afc258cfb243e8a386739dc5b951d8fad23b28a7ac91f7466b1cbacf14536d84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fe44f67479341c3448586512856e9bb903498f04fef35f83e0d615b0ae43a19
[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" "1fe44f67479341c3448586512856e9bb903498f04fef35f83e0d615b0ae43a19", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking flow_impl v0.8.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking flowrlib v0.8.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/lib_manifest.rs:184:27
[INFO] [stdout]     |
[INFO] [stdout] 184 |         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 52.56s
[INFO] running `Command { std: "docker" "inspect" "1fe44f67479341c3448586512856e9bb903498f04fef35f83e0d615b0ae43a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe44f67479341c3448586512856e9bb903498f04fef35f83e0d615b0ae43a19", kill_on_drop: false }`
[INFO] [stdout] 1fe44f67479341c3448586512856e9bb903498f04fef35f83e0d615b0ae43a19