[INFO] fetching crate conform-derive 0.0.2...
[INFO] checking conform-derive-0.0.2 against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] extracting crate conform-derive 0.0.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate conform-derive 0.0.2 on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conform-derive 0.0.2
[INFO] finished tweaking crates.io crate conform-derive 0.0.2
[INFO] tweaked toml for crates.io crate conform-derive 0.0.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "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] 64ec23ee8e374382f329740fe4f0e6e2c8b5f9e895ac835800b9ae7cbd916d7a
[INFO] running `Command { std: "docker" "start" "-a" "64ec23ee8e374382f329740fe4f0e6e2c8b5f9e895ac835800b9ae7cbd916d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64ec23ee8e374382f329740fe4f0e6e2c8b5f9e895ac835800b9ae7cbd916d7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64ec23ee8e374382f329740fe4f0e6e2c8b5f9e895ac835800b9ae7cbd916d7a", kill_on_drop: false }`
[INFO] [stdout] 64ec23ee8e374382f329740fe4f0e6e2c8b5f9e895ac835800b9ae7cbd916d7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2b6f70e8b2eda52ecb577c14d79dd4011ff567cb8fc4600d279d68ceb7c7fd7
[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" "e2b6f70e8b2eda52ecb577c14d79dd4011ff567cb8fc4600d279d68ceb7c7fd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking inflections v1.1.1
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking conform v0.0.2
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]     Checking quote v0.4.2
[INFO] [stderr]     Checking card-validate v2.2.2
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking syn v0.12.15
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]     Checking validator v0.6.3
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking conform-derive v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling validator_derive v0.6.5
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.00s
[INFO] running `Command { std: "docker" "inspect" "e2b6f70e8b2eda52ecb577c14d79dd4011ff567cb8fc4600d279d68ceb7c7fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b6f70e8b2eda52ecb577c14d79dd4011ff567cb8fc4600d279d68ceb7c7fd7", kill_on_drop: false }`
[INFO] [stdout] e2b6f70e8b2eda52ecb577c14d79dd4011ff567cb8fc4600d279d68ceb7c7fd7