[INFO] cloning repository https://github.com/luolong/postkast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/luolong/postkast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluolong%2Fpostkast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluolong%2Fpostkast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c10ca0b8eaba3c6cb7cd3ad05cf9b7bb076ca598
[INFO] checking luolong/postkast against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluolong%2Fpostkast" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luolong/postkast on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luolong/postkast
[INFO] finished tweaking git repo https://github.com/luolong/postkast
[INFO] tweaked toml for git repo https://github.com/luolong/postkast written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/luolong/postkast already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex-syntax v0.6.24
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1cd97bf70aa078cf1497f03596fb1ca8e43cfdd2f2aa9028c4fd4008094edf4
[INFO] running `Command { std: "docker" "start" "-a" "d1cd97bf70aa078cf1497f03596fb1ca8e43cfdd2f2aa9028c4fd4008094edf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1cd97bf70aa078cf1497f03596fb1ca8e43cfdd2f2aa9028c4fd4008094edf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1cd97bf70aa078cf1497f03596fb1ca8e43cfdd2f2aa9028c4fd4008094edf4", kill_on_drop: false }`
[INFO] [stdout] d1cd97bf70aa078cf1497f03596fb1ca8e43cfdd2f2aa9028c4fd4008094edf4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9c6c147a4e1bf4f13b8dc570e1746f9e5d87c3e030851df8edd92296b46a8f
[INFO] running `Command { std: "docker" "start" "-a" "3a9c6c147a4e1bf4f13b8dc570e1746f9e5d87c3e030851df8edd92296b46a8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking regex-syntax v0.6.24
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking directories v3.0.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking imap-proto v0.10.2
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking imap v2.4.1
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking postkast v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.72s
[INFO] running `Command { std: "docker" "inspect" "3a9c6c147a4e1bf4f13b8dc570e1746f9e5d87c3e030851df8edd92296b46a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9c6c147a4e1bf4f13b8dc570e1746f9e5d87c3e030851df8edd92296b46a8f", kill_on_drop: false }`
[INFO] [stdout] 3a9c6c147a4e1bf4f13b8dc570e1746f9e5d87c3e030851df8edd92296b46a8f