[INFO] fetching crate serum-borsh-derive-internal 0.7.2+serum.1...
[INFO] checking serum-borsh-derive-internal-0.7.2+serum.1 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate serum-borsh-derive-internal 0.7.2+serum.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate serum-borsh-derive-internal 0.7.2+serum.1 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 serum-borsh-derive-internal 0.7.2+serum.1
[INFO] finished tweaking crates.io crate serum-borsh-derive-internal 0.7.2+serum.1
[INFO] tweaked toml for crates.io crate serum-borsh-derive-internal 0.7.2+serum.1 written to /workspace/builds/worker-0/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] b7b9755a091fdc1937a0ff772b1e05558d1af56b800ff12c1bd20318e60c9d59
[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" "b7b9755a091fdc1937a0ff772b1e05558d1af56b800ff12c1bd20318e60c9d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7b9755a091fdc1937a0ff772b1e05558d1af56b800ff12c1bd20318e60c9d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7b9755a091fdc1937a0ff772b1e05558d1af56b800ff12c1bd20318e60c9d59", kill_on_drop: false }`
[INFO] [stdout] b7b9755a091fdc1937a0ff772b1e05558d1af56b800ff12c1bd20318e60c9d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 268cb882f39810f845d0043a1f5beaca7fc981b98750cc337b6eba7583abab5c
[INFO] running `Command { std: "docker" "start" "-a" "268cb882f39810f845d0043a1f5beaca7fc981b98750cc337b6eba7583abab5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking serum-borsh-derive-internal v0.7.2+serum.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "268cb882f39810f845d0043a1f5beaca7fc981b98750cc337b6eba7583abab5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268cb882f39810f845d0043a1f5beaca7fc981b98750cc337b6eba7583abab5c", kill_on_drop: false }`
[INFO] [stdout] 268cb882f39810f845d0043a1f5beaca7fc981b98750cc337b6eba7583abab5c