[INFO] fetching crate stepper-interface 0.1.2...
[INFO] checking stepper-interface-0.1.2 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate stepper-interface 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stepper-interface 0.1.2 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stepper-interface 0.1.2
[INFO] finished tweaking crates.io crate stepper-interface 0.1.2
[INFO] tweaked toml for crates.io crate stepper-interface 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded it-to-bytes v0.1.0
[INFO] [stderr]   Downloaded fluence-sdk-wit v0.2.18
[INFO] [stderr]   Downloaded fluence-sdk-main v0.2.18
[INFO] [stderr]   Downloaded fluence-sdk-macro v0.2.18
[INFO] [stderr]   Downloaded fluence v0.2.18
[INFO] [stderr]   Downloaded fluence-it-types v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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] 21bce34b3aeb0b793c6c8ad5634d24fa1da930070f6f9a3650c56364db541811
[INFO] running `Command { std: "docker" "start" "-a" "21bce34b3aeb0b793c6c8ad5634d24fa1da930070f6f9a3650c56364db541811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21bce34b3aeb0b793c6c8ad5634d24fa1da930070f6f9a3650c56364db541811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21bce34b3aeb0b793c6c8ad5634d24fa1da930070f6f9a3650c56364db541811", kill_on_drop: false }`
[INFO] [stdout] 21bce34b3aeb0b793c6c8ad5634d24fa1da930070f6f9a3650c56364db541811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 387d930750e77a009af6b652f1219a7abd8e2e073dad31320e1748f98b90065c
[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" "387d930750e77a009af6b652f1219a7abd8e2e073dad31320e1748f98b90065c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking it-to-bytes v0.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]     Checking fluence-it-types v0.1.1
[INFO] [stderr]    Compiling fluence-sdk-wit v0.2.18
[INFO] [stderr]    Compiling fluence-sdk-macro v0.2.18
[INFO] [stderr]     Checking fluence-sdk-main v0.2.18
[INFO] [stderr]     Checking fluence v0.2.18
[INFO] [stderr]     Checking stepper-interface v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.95s
[INFO] running `Command { std: "docker" "inspect" "387d930750e77a009af6b652f1219a7abd8e2e073dad31320e1748f98b90065c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "387d930750e77a009af6b652f1219a7abd8e2e073dad31320e1748f98b90065c", kill_on_drop: false }`
[INFO] [stdout] 387d930750e77a009af6b652f1219a7abd8e2e073dad31320e1748f98b90065c