[INFO] fetching crate devbox-test-args 0.1.2...
[INFO] testing devbox-test-args-0.1.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate devbox-test-args 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate devbox-test-args 0.1.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate devbox-test-args 0.1.2
[INFO] finished tweaking crates.io crate devbox-test-args 0.1.2
[INFO] tweaked toml for crates.io crate devbox-test-args 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c95dc255dc14cd76cfa912637e8dee54a9d9d165b975d7f3b272e65653dd7962
[INFO] running `Command { std: "docker" "start" "-a" "c95dc255dc14cd76cfa912637e8dee54a9d9d165b975d7f3b272e65653dd7962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c95dc255dc14cd76cfa912637e8dee54a9d9d165b975d7f3b272e65653dd7962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95dc255dc14cd76cfa912637e8dee54a9d9d165b975d7f3b272e65653dd7962", kill_on_drop: false }`
[INFO] [stdout] c95dc255dc14cd76cfa912637e8dee54a9d9d165b975d7f3b272e65653dd7962
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 964e600e1924aac709379ab1e69cda938b77e06d670bbc1b13ea76e62d2e161d
[INFO] running `Command { std: "docker" "start" "-a" "964e600e1924aac709379ab1e69cda938b77e06d670bbc1b13ea76e62d2e161d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling devbox-test-args v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `colon`
[INFO] [stdout]    --> src/lib.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub colon: Token![:],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 9.01s
[INFO] running `Command { std: "docker" "inspect" "964e600e1924aac709379ab1e69cda938b77e06d670bbc1b13ea76e62d2e161d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "964e600e1924aac709379ab1e69cda938b77e06d670bbc1b13ea76e62d2e161d", kill_on_drop: false }`
[INFO] [stdout] 964e600e1924aac709379ab1e69cda938b77e06d670bbc1b13ea76e62d2e161d
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 378f0320af2aafd8281db476030f32a6c976a09b973f4ed44c3f133c3002eacf
[INFO] running `Command { std: "docker" "start" "-a" "378f0320af2aafd8281db476030f32a6c976a09b973f4ed44c3f133c3002eacf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling devbox-test-args v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `colon`
[INFO] [stdout]    --> src/lib.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub colon: Token![:],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `colon`
[INFO] [stdout]    --> src/lib.rs:212:5
[INFO] [stdout]     |
[INFO] [stdout] 212 |     pub colon: Token![:],
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "378f0320af2aafd8281db476030f32a6c976a09b973f4ed44c3f133c3002eacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378f0320af2aafd8281db476030f32a6c976a09b973f4ed44c3f133c3002eacf", kill_on_drop: false }`
[INFO] [stdout] 378f0320af2aafd8281db476030f32a6c976a09b973f4ed44c3f133c3002eacf
[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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3ea157acd008c8ae1251b761119fd15e46c67a0a9f33008f3435f7f50bcf27eb
[INFO] running `Command { std: "docker" "start" "-a" "3ea157acd008c8ae1251b761119fd15e46c67a0a9f33008f3435f7f50bcf27eb", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `colon`
[INFO] [stderr]    --> src/lib.rs:212:5
[INFO] [stderr]     |
[INFO] [stderr] 212 |     pub colon: Token![:],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `colon`
[INFO] [stderr]    --> src/lib.rs:212:5
[INFO] [stderr]     |
[INFO] [stderr] 212 |     pub colon: Token![:],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/devbox_test_args-038337ee54c6aaf1)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running tests/macrotest.rs (/opt/rustwide/target/debug/deps/macrotest-6cacc9ce6791254e)
[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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test args_cartesic__char_a__offset_0 ... ok
[INFO] [stdout] test args_noargs ... ok
[INFO] [stdout] test args_cartesic__char_b__offset_0 ... ok
[INFO] [stdout] test test_standard__char_a ... ok
[INFO] [stdout] test test_noargs ... ok
[INFO] [stderr]    Doc-tests devbox-test-args
[INFO] [stdout] test args_cartesic__char_a__offset_1 - should panic ... ok
[INFO] [stdout] test args_cartesic__char_b__offset_1 - should panic ... ok
[INFO] [stdout] test test_standard__char_b - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - args (line 79) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3ea157acd008c8ae1251b761119fd15e46c67a0a9f33008f3435f7f50bcf27eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ea157acd008c8ae1251b761119fd15e46c67a0a9f33008f3435f7f50bcf27eb", kill_on_drop: false }`
[INFO] [stdout] 3ea157acd008c8ae1251b761119fd15e46c67a0a9f33008f3435f7f50bcf27eb