[INFO] fetching crate elements 0.13.0...
[INFO] checking elements-0.13.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate elements 0.13.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate elements 0.13.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elements 0.13.0
[INFO] finished tweaking crates.io crate elements 0.13.0
[INFO] tweaked toml for crates.io crate elements 0.13.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09874a5d092970902dd2c5e68f7d29bebbaba4dc682bb5254fa8849eae9a41e8
[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" "09874a5d092970902dd2c5e68f7d29bebbaba4dc682bb5254fa8849eae9a41e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09874a5d092970902dd2c5e68f7d29bebbaba4dc682bb5254fa8849eae9a41e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09874a5d092970902dd2c5e68f7d29bebbaba4dc682bb5254fa8849eae9a41e8", kill_on_drop: false }`
[INFO] [stdout] 09874a5d092970902dd2c5e68f7d29bebbaba4dc682bb5254fa8849eae9a41e8
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e2fcb3e0869a9e469818cb5970e7df77f42608a8dc5fcf9c637a9766cf3587e
[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" "4e2fcb3e0869a9e469818cb5970e7df77f42608a8dc5fcf9c637a9766cf3587e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bitcoin_hashes v0.9.4
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]     Checking bitcoin_hashes v0.7.6
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling secp256k1-sys v0.3.0
[INFO] [stderr]     Checking secp256k1 v0.19.0
[INFO] [stderr]     Checking bitcoin v0.25.2
[INFO] [stderr]     Checking slip21 v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking elements v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.65s
[INFO] running `Command { std: "docker" "inspect" "4e2fcb3e0869a9e469818cb5970e7df77f42608a8dc5fcf9c637a9766cf3587e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2fcb3e0869a9e469818cb5970e7df77f42608a8dc5fcf9c637a9766cf3587e", kill_on_drop: false }`
[INFO] [stdout] 4e2fcb3e0869a9e469818cb5970e7df77f42608a8dc5fcf9c637a9766cf3587e