[INFO] fetching crate arcon_spec 0.1.3...
[INFO] checking arcon_spec-0.1.3 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate arcon_spec 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate arcon_spec 0.1.3 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arcon_spec 0.1.3
[INFO] finished tweaking crates.io crate arcon_spec 0.1.3
[INFO] tweaked toml for crates.io crate arcon_spec 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b8e632e6cc057f73a85ceda1897a013e15a0e7f9142c37f522bf397831bd2a8
[INFO] running `Command { std: "docker" "start" "-a" "2b8e632e6cc057f73a85ceda1897a013e15a0e7f9142c37f522bf397831bd2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b8e632e6cc057f73a85ceda1897a013e15a0e7f9142c37f522bf397831bd2a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8e632e6cc057f73a85ceda1897a013e15a0e7f9142c37f522bf397831bd2a8", kill_on_drop: false }`
[INFO] [stdout] 2b8e632e6cc057f73a85ceda1897a013e15a0e7f9142c37f522bf397831bd2a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d7ee41b10bec3da044c544f8e5e019128c6d537a50ee5e6387f55770fba2868
[INFO] running `Command { std: "docker" "start" "-a" "3d7ee41b10bec3da044c544f8e5e019128c6d537a50ee5e6387f55770fba2868", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking tempfile v3.9.0
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking arcon_spec v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "3d7ee41b10bec3da044c544f8e5e019128c6d537a50ee5e6387f55770fba2868", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d7ee41b10bec3da044c544f8e5e019128c6d537a50ee5e6387f55770fba2868", kill_on_drop: false }`
[INFO] [stdout] 3d7ee41b10bec3da044c544f8e5e019128c6d537a50ee5e6387f55770fba2868