[INFO] cloning repository https://github.com/SchrodingerZhu/grading-helper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SchrodingerZhu/grading-helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Fgrading-helper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Fgrading-helper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04a69c344ec5a86da3cebf9a967f2ca162edf118
[INFO] checking SchrodingerZhu/grading-helper against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSchrodingerZhu%2Fgrading-helper" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SchrodingerZhu/grading-helper on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SchrodingerZhu/grading-helper
[INFO] finished tweaking git repo https://github.com/SchrodingerZhu/grading-helper
[INFO] tweaked toml for git repo https://github.com/SchrodingerZhu/grading-helper written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/SchrodingerZhu/grading-helper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/SchrodingerZhu/simple_excel_writer`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prettytable-rs v0.8.0
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded r2d2 v0.8.9
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded tablefy_derive v0.2.1
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded redox_users v0.3.5
[INFO] [stderr]   Downloaded vcpkg v0.2.10
[INFO] [stderr]   Downloaded structopt-derive v0.4.10
[INFO] [stderr]   Downloaded diesel_derives v1.4.1
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded bigdecimal v0.1.2
[INFO] [stderr]   Downloaded termios v0.3.2
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded term v0.5.2
[INFO] [stderr]   Downloaded parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded structopt v0.3.17
[INFO] [stderr]   Downloaded diesel v1.4.5
[INFO] [stderr]   Downloaded zip v0.5.7
[INFO] [stderr]   Downloaded chrono v0.4.15
[INFO] [stderr]   Downloaded console v0.11.3
[INFO] [stderr]   Downloaded dialoguer v0.6.2
[INFO] [stderr]   Downloaded syn v1.0.40
[INFO] [stderr]   Downloaded ipnetwork v0.16.0
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.5
[INFO] [stderr]   Downloaded pretty_env_logger v0.4.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.20
[INFO] [stderr]   Downloaded tablefy v0.1.3
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded libsqlite3-sys v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a5105113b7dd9b2a5d8d3f7ba5e64e9791c6371cb38c5e470b6cafae644bd18
[INFO] running `Command { std: "docker" "start" "-a" "9a5105113b7dd9b2a5d8d3f7ba5e64e9791c6371cb38c5e470b6cafae644bd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a5105113b7dd9b2a5d8d3f7ba5e64e9791c6371cb38c5e470b6cafae644bd18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5105113b7dd9b2a5d8d3f7ba5e64e9791c6371cb38c5e470b6cafae644bd18", kill_on_drop: false }`
[INFO] [stdout] 9a5105113b7dd9b2a5d8d3f7ba5e64e9791c6371cb38c5e470b6cafae644bd18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 638b96017aecfba99195f492518bf03d1e955373eeeeb9bb8d02cf5627eabfe4
[INFO] running `Command { std: "docker" "start" "-a" "638b96017aecfba99195f492518bf03d1e955373eeeeb9bb8d02cf5627eabfe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking bigdecimal v0.1.2
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]    Compiling tablefy_derive v0.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking zip v0.5.7
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking simple_excel_writer v0.1.7 (https://github.com/SchrodingerZhu/simple_excel_writer#305e86dc)
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking ipnetwork v0.16.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking diesel v1.4.5
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking tablefy v0.1.3
[INFO] [stderr]     Checking helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `Command { std: "docker" "inspect" "638b96017aecfba99195f492518bf03d1e955373eeeeb9bb8d02cf5627eabfe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638b96017aecfba99195f492518bf03d1e955373eeeeb9bb8d02cf5627eabfe4", kill_on_drop: false }`
[INFO] [stdout] 638b96017aecfba99195f492518bf03d1e955373eeeeb9bb8d02cf5627eabfe4