[INFO] fetching crate sucrose-macros 1.0.1...
[INFO] checking sucrose-macros-1.0.1 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate sucrose-macros 1.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate sucrose-macros 1.0.1 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 sucrose-macros 1.0.1
[INFO] finished tweaking crates.io crate sucrose-macros 1.0.1
[INFO] tweaked toml for crates.io crate sucrose-macros 1.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.19)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.20)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.18)
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 91c848b16cd7633eac31294b5f5de74ea843d7e56a66296a591b19a4911d6af5
[INFO] running `Command { std: "docker" "start" "-a" "91c848b16cd7633eac31294b5f5de74ea843d7e56a66296a591b19a4911d6af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91c848b16cd7633eac31294b5f5de74ea843d7e56a66296a591b19a4911d6af5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91c848b16cd7633eac31294b5f5de74ea843d7e56a66296a591b19a4911d6af5", kill_on_drop: false }`
[INFO] [stdout] 91c848b16cd7633eac31294b5f5de74ea843d7e56a66296a591b19a4911d6af5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 987aecd3ac3ad5b50120ab7a25c4510086aeb52896de3af380c1bf2c310920e2
[INFO] running `Command { std: "docker" "start" "-a" "987aecd3ac3ad5b50120ab7a25c4510086aeb52896de3af380c1bf2c310920e2", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking darling v0.20.10
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking sucrose-macros v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Escape` is never constructed
[INFO] [stdout]   --> src/lib.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Escape;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Escape` is never constructed
[INFO] [stdout]   --> src/lib.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Escape;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "987aecd3ac3ad5b50120ab7a25c4510086aeb52896de3af380c1bf2c310920e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "987aecd3ac3ad5b50120ab7a25c4510086aeb52896de3af380c1bf2c310920e2", kill_on_drop: false }`
[INFO] [stdout] 987aecd3ac3ad5b50120ab7a25c4510086aeb52896de3af380c1bf2c310920e2
[INFO] checking sucrose-macros-1.0.1 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate sucrose-macros 1.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate sucrose-macros 1.0.1 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 sucrose-macros 1.0.1
[INFO] finished tweaking crates.io crate sucrose-macros 1.0.1
[INFO] tweaked toml for crates.io crate sucrose-macros 1.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 22 packages to latest compatible versions
[INFO] [stderr]       Adding toml v0.7.8 (latest: v0.8.19)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.20)
[INFO] [stderr]       Adding winnow v0.5.40 (latest: v0.6.18)
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8693d8425af0512e7922d59beb1ff5e659b20d3b6cba70560a25104487f9a98a
[INFO] running `Command { std: "docker" "start" "-a" "8693d8425af0512e7922d59beb1ff5e659b20d3b6cba70560a25104487f9a98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8693d8425af0512e7922d59beb1ff5e659b20d3b6cba70560a25104487f9a98a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8693d8425af0512e7922d59beb1ff5e659b20d3b6cba70560a25104487f9a98a", kill_on_drop: false }`
[INFO] [stdout] 8693d8425af0512e7922d59beb1ff5e659b20d3b6cba70560a25104487f9a98a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 81f6f8257c0a3864e1ac45435205c77a7edc8c76d2e7b3cfaea219db9b4718f1
[INFO] running `Command { std: "docker" "start" "-a" "81f6f8257c0a3864e1ac45435205c77a7edc8c76d2e7b3cfaea219db9b4718f1", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]     Checking winnow v0.5.40
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking proc-macro2 v1.0.86
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]     Checking indexmap v2.5.0
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling darling_macro v0.20.10
[INFO] [stderr]     Checking darling v0.20.10
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking toml_edit v0.19.15
[INFO] [stderr]     Checking toml v0.7.8
[INFO] [stderr]     Checking sucrose-macros v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Escape` is never constructed
[INFO] [stdout]   --> src/lib.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Escape;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Escape` is never constructed
[INFO] [stdout]   --> src/lib.rs:37:8
[INFO] [stdout]    |
[INFO] [stdout] 37 | struct Escape;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.81s
[INFO] running `Command { std: "docker" "inspect" "81f6f8257c0a3864e1ac45435205c77a7edc8c76d2e7b3cfaea219db9b4718f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81f6f8257c0a3864e1ac45435205c77a7edc8c76d2e7b3cfaea219db9b4718f1", kill_on_drop: false }`
[INFO] [stdout] 81f6f8257c0a3864e1ac45435205c77a7edc8c76d2e7b3cfaea219db9b4718f1