[INFO] updating cached repository https://github.com/NicholasLYang/saber
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/NicholasLYang/saber
[INFO] [stderr]    07ed24a..540e4e6  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 540e4e6942f92e8bb1c585f570d775a1a118f673
[INFO] testing NicholasLYang/saber against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNicholasLYang%2Fsaber" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NicholasLYang/saber on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-4/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f1dd30ba7c1c5b58e49fa2049b1ce8c1692ff4e8b4866b23bd8b5252c58a58d
[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" "5f1dd30ba7c1c5b58e49fa2049b1ce8c1692ff4e8b4866b23bd8b5252c58a58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f1dd30ba7c1c5b58e49fa2049b1ce8c1692ff4e8b4866b23bd8b5252c58a58d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f1dd30ba7c1c5b58e49fa2049b1ce8c1692ff4e8b4866b23bd8b5252c58a58d", kill_on_drop: false }`
[INFO] [stdout] 5f1dd30ba7c1c5b58e49fa2049b1ce8c1692ff4e8b4866b23bd8b5252c58a58d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--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] a5b25d2aad116a2562988df88f1c9f24d6ba6241e2ad165e9ed7a22e8c30207d
[INFO] running `Command { std: "docker" "start" "-a" "a5b25d2aad116a2562988df88f1c9f24d6ba6241e2ad165e9ed7a22e8c30207d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.43
[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 unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling leb128 v0.2.4
[INFO] [stderr]    Compiling strum v0.13.0
[INFO] [stderr]    Compiling bimap v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling sized-chunks v0.3.1
[INFO] [stderr]    Compiling im v13.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling strum_macros v0.13.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling saber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "a5b25d2aad116a2562988df88f1c9f24d6ba6241e2ad165e9ed7a22e8c30207d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b25d2aad116a2562988df88f1c9f24d6ba6241e2ad165e9ed7a22e8c30207d", kill_on_drop: false }`
[INFO] [stdout] a5b25d2aad116a2562988df88f1c9f24d6ba6241e2ad165e9ed7a22e8c30207d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5f4da18de05006133c13de3ad09658c71f91ff906c80f03a234ab37d33b8508
[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" "e5f4da18de05006133c13de3ad09658c71f91ff906c80f03a234ab37d33b8508", kill_on_drop: false }`
[INFO] [stderr]    Compiling saber v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/parser.rs:1045:22
[INFO] [stdout]      |
[INFO] [stdout] 1045 |                 Some(TypeSig::Name(2)),
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^ expected struct `ast::Loc`, found enum `ast::TypeSig`
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected struct `ast::Loc<ast::TypeSig>`
[INFO] [stdout]                   found enum `ast::TypeSig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/parser.rs:1057:22
[INFO] [stdout]      |
[INFO] [stdout] 1057 |                 Some(TypeSig::Name(3)),
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^ expected struct `ast::Loc`, found enum `ast::TypeSig`
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected struct `ast::Loc<ast::TypeSig>`
[INFO] [stdout]                   found enum `ast::TypeSig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/parser.rs:1109:37
[INFO] [stdout]      |
[INFO] [stdout] 1109 | ...                   op: Op::Minus,
[INFO] [stdout]      |                           ^^^^^^^^^ expected enum `ast::UnaryOp`, found enum `ast::Op`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/parser.rs:1138:28
[INFO] [stdout]      |
[INFO] [stdout] 1138 |                       inner: Stmt::Return(Loc {
[INFO] [stdout]      |  ____________________________^
[INFO] [stdout] 1139 | |                         location: LocationRange(Location(1, 7), Location(1, 12)),
[INFO] [stdout] 1140 | |                         inner: Expr::BinOp {
[INFO] [stdout] 1141 | |                             op: Op::Plus,
[INFO] [stdout] ...    |
[INFO] [stdout] 1152 | |                         },
[INFO] [stdout] 1153 | |                     }),
[INFO] [stdout]      | |______________________^ expected enum `ast::Expr`, found enum `ast::Stmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[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" "e5f4da18de05006133c13de3ad09658c71f91ff906c80f03a234ab37d33b8508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f4da18de05006133c13de3ad09658c71f91ff906c80f03a234ab37d33b8508", kill_on_drop: false }`
[INFO] [stdout] e5f4da18de05006133c13de3ad09658c71f91ff906c80f03a234ab37d33b8508