[INFO] fetching crate rust2pickle 0.0.2...
[INFO] checking rust2pickle-0.0.2 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate rust2pickle 0.0.2 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate rust2pickle 0.0.2 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust2pickle 0.0.2
[INFO] finished tweaking crates.io crate rust2pickle 0.0.2
[INFO] tweaked toml for crates.io crate rust2pickle 0.0.2 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate crates.io crate rust2pickle 0.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.16
[INFO] [stderr]   Downloaded structopt v0.3.18
[INFO] [stderr]   Downloaded iter-read v0.2.1
[INFO] [stderr]   Downloaded serde-pickle v0.6.1
[INFO] [stderr]   Downloaded structopt-derive v0.4.11
[INFO] [stderr]   Downloaded syn v1.0.42
[INFO] [stderr]   Downloaded libc v0.2.78
[INFO] [stderr]   Downloaded syn-serde v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a1ddd600e33466cdfe9b6bbb5ea39633cbd47208492da6935c0dac70612d815
[INFO] running `Command { std: "docker" "start" "-a" "1a1ddd600e33466cdfe9b6bbb5ea39633cbd47208492da6935c0dac70612d815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a1ddd600e33466cdfe9b6bbb5ea39633cbd47208492da6935c0dac70612d815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a1ddd600e33466cdfe9b6bbb5ea39633cbd47208492da6935c0dac70612d815", kill_on_drop: false }`
[INFO] [stdout] 1a1ddd600e33466cdfe9b6bbb5ea39633cbd47208492da6935c0dac70612d815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f4c5700278acf1d639fd81895456dc6b85ef3e00edb4f9113987e7b9ca3aa99
[INFO] running `Command { std: "docker" "start" "-a" "3f4c5700278acf1d639fd81895456dc6b85ef3e00edb4f9113987e7b9ca3aa99", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling libc v0.2.78
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking iter-read v0.2.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking serde-pickle v0.6.1
[INFO] [stderr]     Checking syn-serde v0.2.0
[INFO] [stderr]     Checking rust2pickle v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.49s
[INFO] running `Command { std: "docker" "inspect" "3f4c5700278acf1d639fd81895456dc6b85ef3e00edb4f9113987e7b9ca3aa99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4c5700278acf1d639fd81895456dc6b85ef3e00edb4f9113987e7b9ca3aa99", kill_on_drop: false }`
[INFO] [stdout] 3f4c5700278acf1d639fd81895456dc6b85ef3e00edb4f9113987e7b9ca3aa99