[INFO] fetching crate lachs 0.1.4...
[INFO] testing lachs-0.1.4 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate lachs 0.1.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate lachs 0.1.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lachs 0.1.4
[INFO] tweaked toml for crates.io crate lachs 0.1.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lachs 0.1.4 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lachs 0.1.4 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80f5fc6a1dc75f1d580f7cb2a22b543063b44cbef73930315c3671975bbe2399
[INFO] running `Command { std: "docker" "start" "-a" "80f5fc6a1dc75f1d580f7cb2a22b543063b44cbef73930315c3671975bbe2399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80f5fc6a1dc75f1d580f7cb2a22b543063b44cbef73930315c3671975bbe2399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f5fc6a1dc75f1d580f7cb2a22b543063b44cbef73930315c3671975bbe2399", kill_on_drop: false }`
[INFO] [stdout] 80f5fc6a1dc75f1d580f7cb2a22b543063b44cbef73930315c3671975bbe2399
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30981900b10a9f552377ad05d4dc7187980279d7620e0e5590eb77583c579f23
[INFO] running `Command { std: "docker" "start" "-a" "30981900b10a9f552377ad05d4dc7187980279d7620e0e5590eb77583c579f23", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling lachs_derive v0.1.4
[INFO] [stderr]    Compiling lachs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.13s
[INFO] running `Command { std: "docker" "inspect" "30981900b10a9f552377ad05d4dc7187980279d7620e0e5590eb77583c579f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30981900b10a9f552377ad05d4dc7187980279d7620e0e5590eb77583c579f23", kill_on_drop: false }`
[INFO] [stdout] 30981900b10a9f552377ad05d4dc7187980279d7620e0e5590eb77583c579f23
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a0b87671fd197be40b44f159abd085e3502e4f7f85aee435a9d61066221e23e
[INFO] running `Command { std: "docker" "start" "-a" "9a0b87671fd197be40b44f159abd085e3502e4f7f85aee435a9d61066221e23e", kill_on_drop: false }`
[INFO] [stderr]    Compiling lachs v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/lex_addition.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Plus,
[INFO] [stdout]   |     ^^^^ field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Plus,
[INFO] [stdout] 8 +     (),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/lex_addition.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Number,
[INFO] [stdout]    |     ^^^^^^ field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Number,
[INFO] [stdout] 10 +     (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/eat_whitespace.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Plus,
[INFO] [stdout]   |     ^^^^ field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Plus,
[INFO] [stdout] 8 +     (),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/eat_whitespace.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Number,
[INFO] [stdout]    |     ^^^^^^ field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 10 -     Number,
[INFO] [stdout] 10 +     (),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/basic_derive.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Equals,
[INFO] [stdout]   |     ^^^^^^ field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 6 -     Equals,
[INFO] [stdout] 6 +     (),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "9a0b87671fd197be40b44f159abd085e3502e4f7f85aee435a9d61066221e23e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0b87671fd197be40b44f159abd085e3502e4f7f85aee435a9d61066221e23e", kill_on_drop: false }`
[INFO] [stdout] 9a0b87671fd197be40b44f159abd085e3502e4f7f85aee435a9d61066221e23e
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e322932f7a72367416964fc9f8b94ff3e13961e0ca10c0f9738156733c01041c
[INFO] running `Command { std: "docker" "start" "-a" "e322932f7a72367416964fc9f8b94ff3e13961e0ca10c0f9738156733c01041c", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> tests/basic_derive.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Equals,
[INFO] [stderr]   |     ^^^^^^ field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 6 -     Equals,
[INFO] [stderr] 6 +     (),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `lachs` (test "basic_derive") generated 1 warning
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> tests/eat_whitespace.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Plus,
[INFO] [stderr]   |     ^^^^ field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 8 -     Plus,
[INFO] [stderr] 8 +     (),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/eat_whitespace.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Number,
[INFO] [stderr]    |     ^^^^^^ field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 10 -     Number,
[INFO] [stderr] 10 +     (),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `lachs` (test "eat_whitespace") generated 2 warnings
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> tests/lex_addition.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Plus,
[INFO] [stderr]   |     ^^^^ field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 8 -     Plus,
[INFO] [stderr] 8 +     (),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/lex_addition.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Number,
[INFO] [stderr]    |     ^^^^^^ field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 10 -     Number,
[INFO] [stderr] 10 +     (),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `lachs` (test "lex_addition") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lachs-d1643ffd1f90bea5)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_derive.rs (/opt/rustwide/target/debug/deps/basic_derive-3e0190b741396340)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/eat_whitespace.rs (/opt/rustwide/target/debug/deps/eat_whitespace-53317619067b9e58)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stderr]      Running tests/lex_addition.rs (/opt/rustwide/target/debug/deps/lex_addition-fa1a906a4b97878e)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lachs
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 9) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.69s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e322932f7a72367416964fc9f8b94ff3e13961e0ca10c0f9738156733c01041c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e322932f7a72367416964fc9f8b94ff3e13961e0ca10c0f9738156733c01041c", kill_on_drop: false }`
[INFO] [stdout] e322932f7a72367416964fc9f8b94ff3e13961e0ca10c0f9738156733c01041c