[INFO] fetching crate stepflow 0.0.8...
[INFO] checking stepflow-0.0.8 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate stepflow 0.0.8 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate stepflow 0.0.8 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stepflow 0.0.8
[INFO] finished tweaking crates.io crate stepflow 0.0.8
[INFO] tweaked toml for crates.io crate stepflow 0.0.8 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate stepflow 0.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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] dddf4d7ec69666817a4d4c81ed549dac36210b1fb23472a2282fcf8462f75c10
[INFO] running `Command { std: "docker" "start" "-a" "dddf4d7ec69666817a4d4c81ed549dac36210b1fb23472a2282fcf8462f75c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dddf4d7ec69666817a4d4c81ed549dac36210b1fb23472a2282fcf8462f75c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dddf4d7ec69666817a4d4c81ed549dac36210b1fb23472a2282fcf8462f75c10", kill_on_drop: false }`
[INFO] [stdout] dddf4d7ec69666817a4d4c81ed549dac36210b1fb23472a2282fcf8462f75c10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa9efb97f23860d92f56742d70eee0b0e92bcc2d5a28427c6e2624f6cd9a2dfc
[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" "fa9efb97f23860d92f56742d70eee0b0e92bcc2d5a28427c6e2624f6cd9a2dfc", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking multipart v0.17.1
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking pin-project v1.0.6
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking stepflow-base v0.0.5
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking stepflow-data v0.0.5
[INFO] [stderr]     Checking stepflow-step v0.0.5
[INFO] [stderr]     Checking stepflow-action v0.0.6
[INFO] [stderr]     Checking stepflow-session v0.0.7
[INFO] [stderr]     Checking tera v1.7.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking stepflow v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "fa9efb97f23860d92f56742d70eee0b0e92bcc2d5a28427c6e2624f6cd9a2dfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa9efb97f23860d92f56742d70eee0b0e92bcc2d5a28427c6e2624f6cd9a2dfc", kill_on_drop: false }`
[INFO] [stdout] fa9efb97f23860d92f56742d70eee0b0e92bcc2d5a28427c6e2624f6cd9a2dfc