[INFO] fetching crate silly-alloc-macros 0.1.0...
[INFO] checking silly-alloc-macros-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate silly-alloc-macros 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate silly-alloc-macros 0.1.0 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 silly-alloc-macros 0.1.0
[INFO] finished tweaking crates.io crate silly-alloc-macros 0.1.0
[INFO] tweaked toml for crates.io crate silly-alloc-macros 0.1.0 written to /workspace/builds/worker-5-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 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[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-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] 4111aeafc017d5f42f145eb8c15e8fb1c0a0fd0153163dc9abdcb35acf436655
[INFO] running `Command { std: "docker" "start" "-a" "4111aeafc017d5f42f145eb8c15e8fb1c0a0fd0153163dc9abdcb35acf436655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4111aeafc017d5f42f145eb8c15e8fb1c0a0fd0153163dc9abdcb35acf436655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4111aeafc017d5f42f145eb8c15e8fb1c0a0fd0153163dc9abdcb35acf436655", kill_on_drop: false }`
[INFO] [stdout] 4111aeafc017d5f42f145eb8c15e8fb1c0a0fd0153163dc9abdcb35acf436655
[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] 2083b59fd466d1879c8e281aba5af23dd0423c75d2455d0b3d17834a5186eae5
[INFO] running `Command { std: "docker" "start" "-a" "2083b59fd466d1879c8e281aba5af23dd0423c75d2455d0b3d17834a5186eae5", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking silly-alloc-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `try_to_type_expression` is never used
[INFO] [stdout]   --> src/cast_helpers.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait TryToTypeExpression {
[INFO] [stdout]    |           ------------------- method in this trait
[INFO] [stdout] 15 |     fn try_to_type_expression(&self) -> Option<&ExprType>;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_to_type_expression` is never used
[INFO] [stdout]   --> src/cast_helpers.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait TryToTypeExpression {
[INFO] [stdout]    |           ------------------- method in this trait
[INFO] [stdout] 15 |     fn try_to_type_expression(&self) -> Option<&ExprType>;
[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 2.67s
[INFO] running `Command { std: "docker" "inspect" "2083b59fd466d1879c8e281aba5af23dd0423c75d2455d0b3d17834a5186eae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2083b59fd466d1879c8e281aba5af23dd0423c75d2455d0b3d17834a5186eae5", kill_on_drop: false }`
[INFO] [stdout] 2083b59fd466d1879c8e281aba5af23dd0423c75d2455d0b3d17834a5186eae5
[INFO] checking silly-alloc-macros-0.1.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate silly-alloc-macros 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate silly-alloc-macros 0.1.0 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 silly-alloc-macros 0.1.0
[INFO] finished tweaking crates.io crate silly-alloc-macros 0.1.0
[INFO] tweaked toml for crates.io crate silly-alloc-macros 0.1.0 written to /workspace/builds/worker-5-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]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[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] 48576b81d126d24a8f64faffc8c7ef64dfcfc2c7f3e46d68c4ff85d6a6274b76
[INFO] running `Command { std: "docker" "start" "-a" "48576b81d126d24a8f64faffc8c7ef64dfcfc2c7f3e46d68c4ff85d6a6274b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48576b81d126d24a8f64faffc8c7ef64dfcfc2c7f3e46d68c4ff85d6a6274b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48576b81d126d24a8f64faffc8c7ef64dfcfc2c7f3e46d68c4ff85d6a6274b76", kill_on_drop: false }`
[INFO] [stdout] 48576b81d126d24a8f64faffc8c7ef64dfcfc2c7f3e46d68c4ff85d6a6274b76
[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] d2d313095a75cb09d7ccafd52031b2f97756d4fea62aac70b58fff67bb47c42b
[INFO] running `Command { std: "docker" "start" "-a" "d2d313095a75cb09d7ccafd52031b2f97756d4fea62aac70b58fff67bb47c42b", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.109
[INFO] [stderr]     Checking silly-alloc-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `try_to_type_expression` is never used
[INFO] [stdout]   --> src/cast_helpers.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait TryToTypeExpression {
[INFO] [stdout]    |           ------------------- method in this trait
[INFO] [stdout] 15 |     fn try_to_type_expression(&self) -> Option<&ExprType>;
[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: method `try_to_type_expression` is never used
[INFO] [stdout]   --> src/cast_helpers.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait TryToTypeExpression {
[INFO] [stdout]    |           ------------------- method in this trait
[INFO] [stdout] 15 |     fn try_to_type_expression(&self) -> Option<&ExprType>;
[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` profile [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "d2d313095a75cb09d7ccafd52031b2f97756d4fea62aac70b58fff67bb47c42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d313095a75cb09d7ccafd52031b2f97756d4fea62aac70b58fff67bb47c42b", kill_on_drop: false }`
[INFO] [stdout] d2d313095a75cb09d7ccafd52031b2f97756d4fea62aac70b58fff67bb47c42b