[INFO] cloning repository https://github.com/suxiaoshao/compiler-lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suxiaoshao/compiler-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuxiaoshao%2Fcompiler-lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuxiaoshao%2Fcompiler-lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad0e02015632a5cce4aae840068d0d816e3eb690
[INFO] testing suxiaoshao/compiler-lab against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuxiaoshao%2Fcompiler-lab" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/suxiaoshao/compiler-lab on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/suxiaoshao/compiler-lab
[INFO] finished tweaking git repo https://github.com/suxiaoshao/compiler-lab
[INFO] tweaked toml for git repo https://github.com/suxiaoshao/compiler-lab written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/suxiaoshao/compiler-lab already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05f0fd3aedfa2fd2d47db93b7b2b63d71db3fbdec33be641b508c6e71c436756
[INFO] running `Command { std: "docker" "start" "-a" "05f0fd3aedfa2fd2d47db93b7b2b63d71db3fbdec33be641b508c6e71c436756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05f0fd3aedfa2fd2d47db93b7b2b63d71db3fbdec33be641b508c6e71c436756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05f0fd3aedfa2fd2d47db93b7b2b63d71db3fbdec33be641b508c6e71c436756", kill_on_drop: false }`
[INFO] [stdout] 05f0fd3aedfa2fd2d47db93b7b2b63d71db3fbdec33be641b508c6e71c436756
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c20ee05b54a465291e41432ce5af56806cc4ab5cd5d52a546e8badfa6243112
[INFO] running `Command { std: "docker" "start" "-a" "8c20ee05b54a465291e41432ce5af56806cc4ab5cd5d52a546e8badfa6243112", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling compiler-lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `scope`
[INFO] [stdout]   --> src/translator/identifier.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(in crate::translator) scope: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Identifier` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/translator/identifier.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]   --> src/tokenizer/read_token_state/empty.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     position: Position,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Empty` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/tokenizer/read_token_state/empty.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 55s
[INFO] running `Command { std: "docker" "inspect" "8c20ee05b54a465291e41432ce5af56806cc4ab5cd5d52a546e8badfa6243112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c20ee05b54a465291e41432ce5af56806cc4ab5cd5d52a546e8badfa6243112", kill_on_drop: false }`
[INFO] [stdout] 8c20ee05b54a465291e41432ce5af56806cc4ab5cd5d52a546e8badfa6243112
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cf188a2f093dcd36e1d03d7d8610ee65693027e63a705368c3bb94cef41c62b
[INFO] running `Command { std: "docker" "start" "-a" "6cf188a2f093dcd36e1d03d7d8610ee65693027e63a705368c3bb94cef41c62b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling compiler-lab v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `scope`
[INFO] [stdout]   --> src/translator/identifier.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub(in crate::translator) scope: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Identifier` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/translator/identifier.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `position`
[INFO] [stdout]   --> src/tokenizer/read_token_state/empty.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     position: Position,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Empty` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/tokenizer/read_token_state/empty.rs:21:10
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[derive(Clone, Debug)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "6cf188a2f093dcd36e1d03d7d8610ee65693027e63a705368c3bb94cef41c62b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf188a2f093dcd36e1d03d7d8610ee65693027e63a705368c3bb94cef41c62b", kill_on_drop: false }`
[INFO] [stdout] 6cf188a2f093dcd36e1d03d7d8610ee65693027e63a705368c3bb94cef41c62b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69ee24b46b773b2a287dc71e2fcff396d7e5bc38a2d5a21b095d76a812892263
[INFO] running `Command { std: "docker" "start" "-a" "69ee24b46b773b2a287dc71e2fcff396d7e5bc38a2d5a21b095d76a812892263", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: field is never read: `scope`
[INFO] [stderr]   --> src/translator/identifier.rs:30:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 6 tests
[INFO] [stderr] 30 |     pub(in crate::translator) scope: i32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Identifier` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/translator/identifier.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 | #[derive(Clone, Debug)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `position`
[INFO] [stderr]   --> src/tokenizer/read_token_state/empty.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     position: Position,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Empty` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/tokenizer/read_token_state/empty.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[derive(Clone, Debug)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `compiler-lab` (bin "compiler-lab" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/compiler_lab-4efa3651ccb0af36)
[INFO] [stdout] test parser::production::test::eq ... ok
[INFO] [stdout] test parser::production::test::test ... ok
[INFO] [stdout] test tokenizer::read_token_state::and::test::read_char_ ... ok
[INFO] [stdout] test tokenizer::read_token_state::and::test::read_char_and ... ok
[INFO] [stdout] test tokenizer::test::get_tokens_test ... ok
[INFO] [stdout] test parser::grammar::test::test_grammar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69ee24b46b773b2a287dc71e2fcff396d7e5bc38a2d5a21b095d76a812892263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ee24b46b773b2a287dc71e2fcff396d7e5bc38a2d5a21b095d76a812892263", kill_on_drop: false }`
[INFO] [stdout] 69ee24b46b773b2a287dc71e2fcff396d7e5bc38a2d5a21b095d76a812892263