[INFO] fetching crate persy_expimp 0.6.0...
[INFO] checking persy_expimp-0.6.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate persy_expimp 0.6.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate persy_expimp 0.6.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate persy_expimp 0.6.0
[INFO] finished tweaking crates.io crate persy_expimp 0.6.0
[INFO] tweaked toml for crates.io crate persy_expimp 0.6.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate persy_expimp 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.3
[INFO] [stderr]   Downloaded proc-macro-error v1.0.3
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded linked-hash-map v0.5.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.18
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded serde v1.0.114
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded hermit-abi v0.1.15
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded data-encoding v2.2.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.8
[INFO] [stderr]   Downloaded persy v0.10.0
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded syn v1.0.34
[INFO] [stderr]   Downloaded structopt v0.3.15
[INFO] [stderr]   Downloaded libc v0.2.72
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded clap v2.33.1
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded itoa v0.4.6
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.8
[INFO] [stderr]   Downloaded unsigned-varint v0.4.0
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88f20d1a86c007ec00e98e066395c15cb94b358c6c68fe29d63b7d804ff6fa46
[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" "88f20d1a86c007ec00e98e066395c15cb94b358c6c68fe29d63b7d804ff6fa46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88f20d1a86c007ec00e98e066395c15cb94b358c6c68fe29d63b7d804ff6fa46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f20d1a86c007ec00e98e066395c15cb94b358c6c68fe29d63b7d804ff6fa46", kill_on_drop: false }`
[INFO] [stdout] 88f20d1a86c007ec00e98e066395c15cb94b358c6c68fe29d63b7d804ff6fa46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b9f15fdd16653c56df2196321053059a0888dd5ef1ffb69ee2982c7e2ad4ae9
[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" "9b9f15fdd16653c56df2196321053059a0888dd5ef1ffb69ee2982c7e2ad4ae9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]     Checking data-encoding v2.2.1
[INFO] [stderr]     Checking unsigned-varint v0.4.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking persy v0.10.0
[INFO] [stderr]     Checking persy_expimp v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.76s
[INFO] running `Command { std: "docker" "inspect" "9b9f15fdd16653c56df2196321053059a0888dd5ef1ffb69ee2982c7e2ad4ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9f15fdd16653c56df2196321053059a0888dd5ef1ffb69ee2982c7e2ad4ae9", kill_on_drop: false }`
[INFO] [stdout] 9b9f15fdd16653c56df2196321053059a0888dd5ef1ffb69ee2982c7e2ad4ae9