[INFO] cloning repository https://github.com/NicholasLYang/saber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NicholasLYang/saber" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Fsaber", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Fsaber'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8ccd6cce9fbc8a8553ccc4f2a67da50fc0b7c06
[INFO] testing NicholasLYang/saber against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Fsaber" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NicholasLYang/saber on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NicholasLYang/saber
[INFO] finished tweaking git repo https://github.com/NicholasLYang/saber
[INFO] tweaked toml for git repo https://github.com/NicholasLYang/saber written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/NicholasLYang/saber already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06201c1ebc9462e7b297d929865c2d0cc0c4740a42b6fda398ed80f7acc96c54
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "06201c1ebc9462e7b297d929865c2d0cc0c4740a42b6fda398ed80f7acc96c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06201c1ebc9462e7b297d929865c2d0cc0c4740a42b6fda398ed80f7acc96c54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06201c1ebc9462e7b297d929865c2d0cc0c4740a42b6fda398ed80f7acc96c54", kill_on_drop: false }`
[INFO] [stdout] 06201c1ebc9462e7b297d929865c2d0cc0c4740a42b6fda398ed80f7acc96c54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c59be1abe4cd2b9545307a8d7d569cfe1e240ec9d5fc67798ab82ba4f38acbea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c59be1abe4cd2b9545307a8d7d569cfe1e240ec9d5fc67798ab82ba4f38acbea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.22
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling hashbrown v0.9.0
[INFO] [stderr]    Compiling os_str_bytes v2.3.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling strum v0.13.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling bimap v0.4.0
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling im v13.0.0
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling sized-chunks v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling strum_macros v0.13.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]    Compiling clap v3.0.0-beta.1
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling saber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `PRINT_INT_INDEX`, `PRINT_STRING_INDEX`
[INFO] [stdout]  --> src/code_generator.rs:4:110
[INFO] [stdout]   |
[INFO] [stdout] 4 | ...x, ALLOC_INDEX, DEALLOC_INDEX, PRINT_CHAR_INDEX, PRINT_INT_INDEX, PRINT_STRING_INDEX, STREQ_INDEX, PRINT_HEAP_INDEX};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 43s
[INFO] running `Command { std: "docker" "inspect" "c59be1abe4cd2b9545307a8d7d569cfe1e240ec9d5fc67798ab82ba4f38acbea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59be1abe4cd2b9545307a8d7d569cfe1e240ec9d5fc67798ab82ba4f38acbea", kill_on_drop: false }`
[INFO] [stdout] c59be1abe4cd2b9545307a8d7d569cfe1e240ec9d5fc67798ab82ba4f38acbea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 31444123b7d1b596725d813777c2c521e029d4e8a6ed29298121b4353fd7b124
[INFO] running `Command { std: "docker" "start" "-a" "31444123b7d1b596725d813777c2c521e029d4e8a6ed29298121b4353fd7b124", kill_on_drop: false }`
[INFO] [stderr]    Compiling saber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `ast`
[INFO] [stdout]     --> src/parser.rs:1228:9
[INFO] [stdout]      |
[INFO] [stdout] 1228 |     use ast::{Expr, Loc, Op, Pat, Stmt, TypeSig, Value};
[INFO] [stdout]      |         ^^^ help: a similar path exists: `crate::ast`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `use` statements changed in Rust 2018; read more at <https://doc.rust-lang.org/edition-guide/rust-2018/module-system/path-clarity.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `lexer`
[INFO] [stdout]     --> src/parser.rs:1229:9
[INFO] [stdout]      |
[INFO] [stdout] 1229 |     use lexer::{Lexer, Location, LocationRange};
[INFO] [stdout]      |         ^^^^^ help: a similar path exists: `crate::lexer`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `use` statements changed in Rust 2018; read more at <https://doc.rust-lang.org/edition-guide/rust-2018/module-system/path-clarity.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `parser`
[INFO] [stdout]     --> src/parser.rs:1230:9
[INFO] [stdout]      |
[INFO] [stdout] 1230 |     use parser::{ParseError, Parser};
[INFO] [stdout]      |         ^^^^^^ help: a similar path exists: `crate::parser`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `use` statements changed in Rust 2018; read more at <https://doc.rust-lang.org/edition-guide/rust-2018/module-system/path-clarity.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PRINT_INT_INDEX`, `PRINT_STRING_INDEX`
[INFO] [stdout]  --> src/code_generator.rs:4:110
[INFO] [stdout]   |
[INFO] [stdout] 4 | ...x, ALLOC_INDEX, DEALLOC_INDEX, PRINT_CHAR_INDEX, PRINT_INT_INDEX, PRINT_STRING_INDEX, STREQ_INDEX, PRINT_HEAP_INDEX};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `saber`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "31444123b7d1b596725d813777c2c521e029d4e8a6ed29298121b4353fd7b124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31444123b7d1b596725d813777c2c521e029d4e8a6ed29298121b4353fd7b124", kill_on_drop: false }`
[INFO] [stdout] 31444123b7d1b596725d813777c2c521e029d4e8a6ed29298121b4353fd7b124
