[INFO] fetching crate ron 0.9.0-alpha.0...
[INFO] checking ron-0.9.0-alpha.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate ron 0.9.0-alpha.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ron 0.9.0-alpha.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ron 0.9.0-alpha.0
[INFO] finished tweaking crates.io crate ron 0.9.0-alpha.0
[INFO] tweaked toml for crates.io crate ron 0.9.0-alpha.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate ron 0.9.0-alpha.0 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded option_set v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 094f71a6b2862c0e0aab2ae1002daf0abc7108ca693e3e8017ac3c97fe9acc95
[INFO] running `Command { std: "docker" "start" "-a" "094f71a6b2862c0e0aab2ae1002daf0abc7108ca693e3e8017ac3c97fe9acc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "094f71a6b2862c0e0aab2ae1002daf0abc7108ca693e3e8017ac3c97fe9acc95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "094f71a6b2862c0e0aab2ae1002daf0abc7108ca693e3e8017ac3c97fe9acc95", kill_on_drop: false }`
[INFO] [stdout] 094f71a6b2862c0e0aab2ae1002daf0abc7108ca693e3e8017ac3c97fe9acc95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aec601a05ae9b2abb2e0585cb3b5d01400d0366e4e453c2219278356775e8efb
[INFO] running `Command { std: "docker" "start" "-a" "aec601a05ae9b2abb2e0585cb3b5d01400d0366e4e453c2219278356775e8efb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling typetag-impl v0.2.16
[INFO] [stderr]     Checking erased-serde v0.4.3
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking option_set v0.2.0
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking ron v0.9.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking typetag v0.2.16
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/410_trailing_comma.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Newtype(i32);
[INFO] [stdout]   |        ------- ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/410_trailing_comma.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Tuple(i32, i32);
[INFO] [stdout]    |        ----- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.27s
[INFO] running `Command { std: "docker" "inspect" "aec601a05ae9b2abb2e0585cb3b5d01400d0366e4e453c2219278356775e8efb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec601a05ae9b2abb2e0585cb3b5d01400d0366e4e453c2219278356775e8efb", kill_on_drop: false }`
[INFO] [stdout] aec601a05ae9b2abb2e0585cb3b5d01400d0366e4e453c2219278356775e8efb
[INFO] checking ron-0.9.0-alpha.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate ron 0.9.0-alpha.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ron 0.9.0-alpha.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ron 0.9.0-alpha.0
[INFO] finished tweaking crates.io crate ron 0.9.0-alpha.0
[INFO] tweaked toml for crates.io crate ron 0.9.0-alpha.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate ron 0.9.0-alpha.0 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b41212aec97cffbccc3d688c2c8cf698cb512b01fb08870c8be67320762c845
[INFO] running `Command { std: "docker" "start" "-a" "9b41212aec97cffbccc3d688c2c8cf698cb512b01fb08870c8be67320762c845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b41212aec97cffbccc3d688c2c8cf698cb512b01fb08870c8be67320762c845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b41212aec97cffbccc3d688c2c8cf698cb512b01fb08870c8be67320762c845", kill_on_drop: false }`
[INFO] [stdout] 9b41212aec97cffbccc3d688c2c8cf698cb512b01fb08870c8be67320762c845
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5be0dbd62cd70ccf3266ffb90e4e95124444b7c24fa275365c0369ec069cc5b7
[INFO] running `Command { std: "docker" "start" "-a" "5be0dbd62cd70ccf3266ffb90e4e95124444b7c24fa275365c0369ec069cc5b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking heck v0.4.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling typetag-impl v0.2.16
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]     Checking erased-serde v0.4.3
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking option_set v0.2.0
[INFO] [stderr]     Checking ron v0.9.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking typetag v0.2.16
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/410_trailing_comma.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Newtype(i32);
[INFO] [stdout]   |        ------- ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]   --> tests/410_trailing_comma.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Tuple(i32, i32);
[INFO] [stdout]    |        ----- ^^^  ^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        fields in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing these fields
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.32s
[INFO] running `Command { std: "docker" "inspect" "5be0dbd62cd70ccf3266ffb90e4e95124444b7c24fa275365c0369ec069cc5b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be0dbd62cd70ccf3266ffb90e4e95124444b7c24fa275365c0369ec069cc5b7", kill_on_drop: false }`
[INFO] [stdout] 5be0dbd62cd70ccf3266ffb90e4e95124444b7c24fa275365c0369ec069cc5b7