[INFO] cloning repository https://github.com/hoailinh1210/learn-rust-by-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hoailinh1210/learn-rust-by-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoailinh1210%2Flearn-rust-by-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoailinh1210%2Flearn-rust-by-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b61665385d863edef3fe012b2706f8ff01f0fc2b
[INFO] building hoailinh1210/learn-rust-by-examples against try#334963c956d25708feab489a3816ae63f639355d for pr-135216-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhoailinh1210%2Flearn-rust-by-examples" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hoailinh1210/learn-rust-by-examples on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hoailinh1210/learn-rust-by-examples
[INFO] finished tweaking git repo https://github.com/hoailinh1210/learn-rust-by-examples
[INFO] tweaked toml for git repo https://github.com/hoailinh1210/learn-rust-by-examples written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hoailinh1210/learn-rust-by-examples 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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df71273ae06b4b8139b7cf441fc811eadc09c137661bc05926fe7d23084d5576
[INFO] running `Command { std: "docker" "start" "-a" "df71273ae06b4b8139b7cf441fc811eadc09c137661bc05926fe7d23084d5576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df71273ae06b4b8139b7cf441fc811eadc09c137661bc05926fe7d23084d5576", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df71273ae06b4b8139b7cf441fc811eadc09c137661bc05926fe7d23084d5576", kill_on_drop: false }`
[INFO] [stdout] df71273ae06b4b8139b7cf441fc811eadc09c137661bc05926fe7d23084d5576
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28aeba90f00494425524c8802587e8d0b1011b374e3d49a26dc50cc5a56091ce
[INFO] running `Command { std: "docker" "start" "-a" "28aeba90f00494425524c8802587e8d0b1011b374e3d49a26dc50cc5a56091ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-rust-by-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `A` and `B` are never constructed
[INFO] [stdout]   --> src/bin/enum-sizes.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | enum Foo {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] 9  |     A,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     B,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "28aeba90f00494425524c8802587e8d0b1011b374e3d49a26dc50cc5a56091ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28aeba90f00494425524c8802587e8d0b1011b374e3d49a26dc50cc5a56091ce", kill_on_drop: false }`
[INFO] [stdout] 28aeba90f00494425524c8802587e8d0b1011b374e3d49a26dc50cc5a56091ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4d1ad10f887047ff93adb9a6fc220f01441b5d991419c732643828118ec5301
[INFO] running `Command { std: "docker" "start" "-a" "d4d1ad10f887047ff93adb9a6fc220f01441b5d991419c732643828118ec5301", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-rust-by-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `A` and `B` are never constructed
[INFO] [stdout]   --> src/bin/enum-sizes.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | enum Foo {
[INFO] [stdout]    |      --- variants in this enum
[INFO] [stdout] 9  |     A,
[INFO] [stdout]    |     ^
[INFO] [stdout] 10 |     B,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "d4d1ad10f887047ff93adb9a6fc220f01441b5d991419c732643828118ec5301", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d1ad10f887047ff93adb9a6fc220f01441b5d991419c732643828118ec5301", kill_on_drop: false }`
[INFO] [stdout] d4d1ad10f887047ff93adb9a6fc220f01441b5d991419c732643828118ec5301