[INFO] fetching crate flowruntime 0.8.8...
[INFO] checking flowruntime-0.8.8 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate flowruntime 0.8.8 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate flowruntime 0.8.8
[INFO] finished tweaking crates.io crate flowruntime 0.8.8
[INFO] tweaked toml for crates.io crate flowruntime 0.8.8 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flowruntime 0.8.8 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding flow_impl v0.8.5 (available: v0.8.9)
[INFO] [stderr]       Adding flowrlib v0.8.8 (available: v0.95.0)
[INFO] [stderr]       Adding simplog v1.2.2 (available: v1.6.0)
[INFO] [stderr]       Adding url v2.1.1 (available: v2.5.8)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flow_impl v0.8.5
[INFO] [stderr]   Downloaded multimap v0.5.0
[INFO] [stderr]   Downloaded memory_units v0.3.0
[INFO] [stderr]   Downloaded wasmi-validation v0.1.0
[INFO] [stderr]   Downloaded wasmi v0.4.5
[INFO] [stderr]   Downloaded parity-wasm v0.31.3
[INFO] [stderr]   Downloaded simplog v1.2.2
[INFO] [stderr]   Downloaded flowrlib v0.8.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94c4c6b8c3857f7cd1cf4926e1e8c204dcc2d1ae12c1182e547dde8d3774be19
[INFO] running `Command { std: "docker" "start" "-a" "94c4c6b8c3857f7cd1cf4926e1e8c204dcc2d1ae12c1182e547dde8d3774be19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94c4c6b8c3857f7cd1cf4926e1e8c204dcc2d1ae12c1182e547dde8d3774be19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c4c6b8c3857f7cd1cf4926e1e8c204dcc2d1ae12c1182e547dde8d3774be19", kill_on_drop: false }`
[INFO] [stdout] 94c4c6b8c3857f7cd1cf4926e1e8c204dcc2d1ae12c1182e547dde8d3774be19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ee6b6441c31f455fe93c67ea2b1278c7dc9166b9f5b9d1c9e82aa4c599bced9
[INFO] running `Command { std: "docker" "start" "-a" "5ee6b6441c31f455fe93c67ea2b1278c7dc9166b9f5b9d1c9e82aa4c599bced9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking tinyvec v1.10.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking parity-wasm v0.31.3
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking memory_units v0.3.0
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]     Checking simplog v1.2.2
[INFO] [stderr]     Checking unicode-normalization v0.1.25
[INFO] [stderr]     Checking wasmi-validation v0.1.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking wasmi v0.4.5
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking multimap v0.5.0
[INFO] [stderr]     Checking flow_impl v0.8.5
[INFO] [stderr]     Checking flowrlib v0.8.8
[INFO] [stderr]     Checking flowruntime v0.8.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "5ee6b6441c31f455fe93c67ea2b1278c7dc9166b9f5b9d1c9e82aa4c599bced9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee6b6441c31f455fe93c67ea2b1278c7dc9166b9f5b9d1c9e82aa4c599bced9", kill_on_drop: false }`
[INFO] [stdout] 5ee6b6441c31f455fe93c67ea2b1278c7dc9166b9f5b9d1c9e82aa4c599bced9