[INFO] cloning repository https://github.com/weblfe/rust_lession
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/weblfe/rust_lession" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweblfe%2Frust_lession", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweblfe%2Frust_lession'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7625f9b0e133a044cb92921dff1d49d5ba9a0119
[INFO] checking weblfe/rust_lession against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fweblfe%2Frust_lession" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/weblfe/rust_lession
[INFO] finished tweaking git repo https://github.com/weblfe/rust_lession
[INFO] tweaked toml for git repo https://github.com/weblfe/rust_lession written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/weblfe/rust_lession on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/weblfe/rust_lession 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded backtrace v0.1.8
[INFO] [stderr]   Downloaded stdext v0.3.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.37
[INFO] [stderr]   Downloaded debugtrace v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51cc943d00d87ad8c5db6f78e556b164729fe835ac7e5b5a233f9ce967f97fb0
[INFO] running `Command { std: "docker" "start" "-a" "51cc943d00d87ad8c5db6f78e556b164729fe835ac7e5b5a233f9ce967f97fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51cc943d00d87ad8c5db6f78e556b164729fe835ac7e5b5a233f9ce967f97fb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cc943d00d87ad8c5db6f78e556b164729fe835ac7e5b5a233f9ce967f97fb0", kill_on_drop: false }`
[INFO] [stdout] 51cc943d00d87ad8c5db6f78e556b164729fe835ac7e5b5a233f9ce967f97fb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e16a32fe0570b2f4f4b3e4c4ac66864a9e0d0b66bf3c3bb94d37fd65a7a2ece0
[INFO] running `Command { std: "docker" "start" "-a" "e16a32fe0570b2f4f4b3e4c4ac66864a9e0d0b66bf3c3bb94d37fd65a7a2ece0", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking debug-builders v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling debugtrace v0.1.0
[INFO] [stderr]     Checking stdext v0.3.1
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir/hello_world)
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking system_libc v0.1.0 (/opt/rustwide/workdir/system_libc)
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking backtrace v0.1.8
[INFO] [stderr]     Checking array v0.1.0 (/opt/rustwide/workdir/array)
[INFO] [stderr]     Checking types v0.1.0 (/opt/rustwide/workdir/types)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.59s
[INFO] running `Command { std: "docker" "inspect" "e16a32fe0570b2f4f4b3e4c4ac66864a9e0d0b66bf3c3bb94d37fd65a7a2ece0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e16a32fe0570b2f4f4b3e4c4ac66864a9e0d0b66bf3c3bb94d37fd65a7a2ece0", kill_on_drop: false }`
[INFO] [stdout] e16a32fe0570b2f4f4b3e4c4ac66864a9e0d0b66bf3c3bb94d37fd65a7a2ece0
