[INFO] cloning repository https://github.com/Kazuhiro-Mimaki/rust-basic-handson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kazuhiro-Mimaki/rust-basic-handson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazuhiro-Mimaki%2Frust-basic-handson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazuhiro-Mimaki%2Frust-basic-handson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0d4fd461460e6dcaeaacf30d61211a21651bbed
[INFO] checking Kazuhiro-Mimaki/rust-basic-handson against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKazuhiro-Mimaki%2Frust-basic-handson" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kazuhiro-Mimaki/rust-basic-handson 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/Kazuhiro-Mimaki/rust-basic-handson
[INFO] finished tweaking git repo https://github.com/Kazuhiro-Mimaki/rust-basic-handson
[INFO] tweaked toml for git repo https://github.com/Kazuhiro-Mimaki/rust-basic-handson written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Kazuhiro-Mimaki/rust-basic-handson 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] 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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d217cff9a67d681e73aea59a6bafd13fe999acc28ae411922427eff3121ef9ab
[INFO] running `Command { std: "docker" "start" "-a" "d217cff9a67d681e73aea59a6bafd13fe999acc28ae411922427eff3121ef9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d217cff9a67d681e73aea59a6bafd13fe999acc28ae411922427eff3121ef9ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d217cff9a67d681e73aea59a6bafd13fe999acc28ae411922427eff3121ef9ab", kill_on_drop: false }`
[INFO] [stdout] d217cff9a67d681e73aea59a6bafd13fe999acc28ae411922427eff3121ef9ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 707fba26970168bae950866765f0223e5085b047c1638dd92012c1f4ba9c4c56
[INFO] running `Command { std: "docker" "start" "-a" "707fba26970168bae950866765f0223e5085b047c1638dd92012c1f4ba9c4c56", 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 v0.2.121
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking cat_1 v0.1.0 (/opt/rustwide/workdir/cat_1)
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking cat_2 v0.1.0 (/opt/rustwide/workdir/cat_2)
[INFO] [stderr]     Checking grep_1 v0.1.0 (/opt/rustwide/workdir/grep_1)
[INFO] [stderr]     Checking grep_2 v0.1.0 (/opt/rustwide/workdir/grep_2)
[INFO] [stderr]     Checking explain_move v0.1.0 (/opt/rustwide/workdir/explain_move)
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking grep_5 v0.1.0 (/opt/rustwide/workdir/grep_5)
[INFO] [stderr]     Checking grep_4 v0.1.0 (/opt/rustwide/workdir/grep_4)
[INFO] [stderr]     Checking grep_6 v0.1.0 (/opt/rustwide/workdir/grep_6)
[INFO] [stderr]     Checking grep_3 v0.1.0 (/opt/rustwide/workdir/grep_3)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "707fba26970168bae950866765f0223e5085b047c1638dd92012c1f4ba9c4c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707fba26970168bae950866765f0223e5085b047c1638dd92012c1f4ba9c4c56", kill_on_drop: false }`
[INFO] [stdout] 707fba26970168bae950866765f0223e5085b047c1638dd92012c1f4ba9c4c56