[INFO] cloning repository https://github.com/shimizu-saffle/rust-training
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shimizu-saffle/rust-training" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimizu-saffle%2Frust-training", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimizu-saffle%2Frust-training'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0dd6714026e181b56e43164c0f2e3ef0a56bd5b
[INFO] checking shimizu-saffle/rust-training against master#9d28fe39763974a96d61232e96ac856735e4cdd6 for pr-139624
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshimizu-saffle%2Frust-training" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shimizu-saffle/rust-training on toolchain 9d28fe39763974a96d61232e96ac856735e4cdd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shimizu-saffle/rust-training
[INFO] finished tweaking git repo https://github.com/shimizu-saffle/rust-training
[INFO] tweaked toml for git repo https://github.com/shimizu-saffle/rust-training written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/shimizu-saffle/rust-training 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" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9313924752d130a5d9b53027310582f43020de23969dcd9e72bf29ed91166a6
[INFO] running `Command { std: "docker" "start" "-a" "f9313924752d130a5d9b53027310582f43020de23969dcd9e72bf29ed91166a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9313924752d130a5d9b53027310582f43020de23969dcd9e72bf29ed91166a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9313924752d130a5d9b53027310582f43020de23969dcd9e72bf29ed91166a6", kill_on_drop: false }`
[INFO] [stdout] f9313924752d130a5d9b53027310582f43020de23969dcd9e72bf29ed91166a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+9d28fe39763974a96d61232e96ac856735e4cdd6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4aebcf472d38fb8fa7dbdb3f264b1efe3b7384535327411b863798d2f38e97b
[INFO] running `Command { std: "docker" "start" "-a" "c4aebcf472d38fb8fa7dbdb3f264b1efe3b7384535327411b863798d2f38e97b", 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]     Checking get_even_numbers v0.1.0 (/opt/rustwide/workdir/projects/get_even_numbers)
[INFO] [stderr]     Checking add_by_index v0.1.0 (/opt/rustwide/workdir/projects/add_by_index)
[INFO] [stderr]     Checking double_odd_numbers_in_vector v0.1.0 (/opt/rustwide/workdir/projects/double_odd_numbers_in_vector)
[INFO] [stderr]     Checking count_specific_char_in_string v0.1.0 (/opt/rustwide/workdir/projects/count_specific_char_in_string)
[INFO] [stderr]     Checking calculate-even-and-odd-averages v0.1.0 (/opt/rustwide/workdir/projects/diff_max_min)
[INFO] [stderr]     Checking is_all_unique v0.1.0 (/opt/rustwide/workdir/projects/is_all_unique)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "c4aebcf472d38fb8fa7dbdb3f264b1efe3b7384535327411b863798d2f38e97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4aebcf472d38fb8fa7dbdb3f264b1efe3b7384535327411b863798d2f38e97b", kill_on_drop: false }`
[INFO] [stdout] c4aebcf472d38fb8fa7dbdb3f264b1efe3b7384535327411b863798d2f38e97b