[INFO] cloning repository https://github.com/regnskali/Learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/regnskali/Learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fregnskali%2FLearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fregnskali%2FLearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a087a5ddc77eda5befc32b457f548a97fbe05ec
[INFO] checking regnskali/Learning against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fregnskali%2FLearning" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/regnskali/Learning
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/regnskali/Learning
[INFO] tweaked toml for git repo https://github.com/regnskali/Learning written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/regnskali/Learning on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/regnskali/Learning 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded onig v6.3.2
[INFO] [stderr]   Downloaded time v0.3.12
[INFO] [stderr]   Downloaded anyhow v1.0.60
[INFO] [stderr]   Downloaded serde v1.0.142
[INFO] [stderr]   Downloaded jsonxf v1.1.1
[INFO] [stderr]   Downloaded onig_sys v69.8.0
[INFO] [stderr]   Downloaded libc v0.2.127
[INFO] [stderr]   Downloaded syntect v4.6.0
[INFO] [stderr]   Downloaded serde_derive v1.0.142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fea00c5a311443dde3a0efc125321f2f5e26a3e6ab417e9881476cd0d879ea40
[INFO] running `Command { std: "docker" "start" "-a" "fea00c5a311443dde3a0efc125321f2f5e26a3e6ab417e9881476cd0d879ea40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fea00c5a311443dde3a0efc125321f2f5e26a3e6ab417e9881476cd0d879ea40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea00c5a311443dde3a0efc125321f2f5e26a3e6ab417e9881476cd0d879ea40", kill_on_drop: false }`
[INFO] [stdout] fea00c5a311443dde3a0efc125321f2f5e26a3e6ab417e9881476cd0d879ea40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a437cb308cfd4bf6e68bcb947cb46fcbd8a1f8fde579995a844888fcd920da7
[INFO] running `Command { std: "docker" "start" "-a" "9a437cb308cfd4bf6e68bcb947cb46fcbd8a1f8fde579995a844888fcd920da7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.127
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling serde v1.0.142
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling rustls v0.20.6
[INFO] [stderr]    Compiling onig_sys v69.8.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.142
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.60
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling clap_derive v3.2.15
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rustls-pemfile v1.0.1
[INFO] [stderr]     Checking jsonxf v1.1.1
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.3.12
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking tokio v1.20.1
[INFO] [stderr]     Checking clap v3.2.16
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.83
[INFO] [stderr]     Checking plist v1.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking webpki-roots v0.22.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking onig v6.3.2
[INFO] [stderr]     Checking syntect v4.6.0
[INFO] [stderr]     Checking tokio-util v0.7.3
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking hyper v0.14.20
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking reqwest v0.11.11
[INFO] [stderr]     Checking httpie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.82s
[INFO] running `Command { std: "docker" "inspect" "9a437cb308cfd4bf6e68bcb947cb46fcbd8a1f8fde579995a844888fcd920da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a437cb308cfd4bf6e68bcb947cb46fcbd8a1f8fde579995a844888fcd920da7", kill_on_drop: false }`
[INFO] [stdout] 9a437cb308cfd4bf6e68bcb947cb46fcbd8a1f8fde579995a844888fcd920da7