[INFO] fetching crate preftool-derive 0.2.0...
[INFO] checking preftool-derive-0.2.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate preftool-derive 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate preftool-derive 0.2.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate preftool-derive 0.2.0
[INFO] finished tweaking crates.io crate preftool-derive 0.2.0
[INFO] tweaked toml for crates.io crate preftool-derive 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04a08b43299e2b610034449cfa2682baf7279e6951ae34d98f9991b9e9a3c80e
[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" "04a08b43299e2b610034449cfa2682baf7279e6951ae34d98f9991b9e9a3c80e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04a08b43299e2b610034449cfa2682baf7279e6951ae34d98f9991b9e9a3c80e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a08b43299e2b610034449cfa2682baf7279e6951ae34d98f9991b9e9a3c80e", kill_on_drop: false }`
[INFO] [stdout] 04a08b43299e2b610034449cfa2682baf7279e6951ae34d98f9991b9e9a3c80e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e89dc8ea22fc92c8c661f25220d42dcab01c28163ff69fbe9cf59885c883f1e
[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" "4e89dc8ea22fc92c8c661f25220d42dcab01c28163ff69fbe9cf59885c883f1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]     Checking preftool v0.2.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking darling_core v0.9.0
[INFO] [stderr]    Compiling darling_macro v0.9.0
[INFO] [stderr]     Checking darling v0.9.0
[INFO] [stderr]     Checking preftool-derive-core v0.2.0
[INFO] [stderr]     Checking preftool-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.95s
[INFO] running `Command { std: "docker" "inspect" "4e89dc8ea22fc92c8c661f25220d42dcab01c28163ff69fbe9cf59885c883f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e89dc8ea22fc92c8c661f25220d42dcab01c28163ff69fbe9cf59885c883f1e", kill_on_drop: false }`
[INFO] [stdout] 4e89dc8ea22fc92c8c661f25220d42dcab01c28163ff69fbe9cf59885c883f1e