[INFO] cloning repository https://github.com/natthphong/basic_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natthphong/basic_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatthphong%2Fbasic_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatthphong%2Fbasic_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f99ea61f2341810fe5177170ff515319701c19c3
[INFO] checking natthphong/basic_rust against master#bbcc1691a4646a6d2ebb2189bdff5b878407fbe6 for pr-117351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatthphong%2Fbasic_rust" "/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/natthphong/basic_rust on toolchain bbcc1691a4646a6d2ebb2189bdff5b878407fbe6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/natthphong/basic_rust
[INFO] finished tweaking git repo https://github.com/natthphong/basic_rust
[INFO] tweaked toml for git repo https://github.com/natthphong/basic_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/natthphong/basic_rust 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" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe7587a4fc470ef9c91e1ccbf521ff3d60b50199bcfb4500ab4b7ef599ee3e5e
[INFO] running `Command { std: "docker" "start" "-a" "fe7587a4fc470ef9c91e1ccbf521ff3d60b50199bcfb4500ab4b7ef599ee3e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe7587a4fc470ef9c91e1ccbf521ff3d60b50199bcfb4500ab4b7ef599ee3e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe7587a4fc470ef9c91e1ccbf521ff3d60b50199bcfb4500ab4b7ef599ee3e5e", kill_on_drop: false }`
[INFO] [stdout] fe7587a4fc470ef9c91e1ccbf521ff3d60b50199bcfb4500ab4b7ef599ee3e5e
[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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+bbcc1691a4646a6d2ebb2189bdff5b878407fbe6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88f3a232f7a6fced5d4bb08d3fec49a32edc29f17be9629dba94cb3e7ff1baec
[INFO] running `Command { std: "docker" "start" "-a" "88f3a232f7a6fced5d4bb08d3fec49a32edc29f17be9629dba94cb3e7ff1baec", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
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[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.54s
[INFO] running `Command { std: "docker" "inspect" "88f3a232f7a6fced5d4bb08d3fec49a32edc29f17be9629dba94cb3e7ff1baec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88f3a232f7a6fced5d4bb08d3fec49a32edc29f17be9629dba94cb3e7ff1baec", kill_on_drop: false }`
[INFO] [stdout] 88f3a232f7a6fced5d4bb08d3fec49a32edc29f17be9629dba94cb3e7ff1baec