[INFO] fetching crate isrepr_macros 0.1.0...
[INFO] checking isrepr_macros-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate isrepr_macros 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate isrepr_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 isrepr_macros 0.1.0
[INFO] finished tweaking crates.io crate isrepr_macros 0.1.0
[INFO] tweaked toml for crates.io crate isrepr_macros 0.1.0 written to /workspace/builds/worker-6-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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 397bae7b39a75c0ee7080db4b8ebfee84375d1dc1b062926efca9afd251aeaa9
[INFO] running `Command { std: "docker" "start" "-a" "397bae7b39a75c0ee7080db4b8ebfee84375d1dc1b062926efca9afd251aeaa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "397bae7b39a75c0ee7080db4b8ebfee84375d1dc1b062926efca9afd251aeaa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397bae7b39a75c0ee7080db4b8ebfee84375d1dc1b062926efca9afd251aeaa9", kill_on_drop: false }`
[INFO] [stdout] 397bae7b39a75c0ee7080db4b8ebfee84375d1dc1b062926efca9afd251aeaa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6999c194f2897ad13137cc48097faf93d2e54d5e8edd968d50b77dc4492b3eea
[INFO] running `Command { std: "docker" "start" "-a" "6999c194f2897ad13137cc48097faf93d2e54d5e8edd968d50b77dc4492b3eea", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking isrepr_macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `has_outer_tag` is never used
[INFO] [stdout]   --> src/repr/repr_enum.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait EnumReprInfo {
[INFO] [stdout]    |       ------------ method in this trait
[INFO] [stdout] 13 |     fn has_inner_tag(&self) -> bool;
[INFO] [stdout] 14 |     fn has_outer_tag(&self) -> bool;
[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 `has_outer_tag` is never used
[INFO] [stdout]   --> src/repr/repr_enum.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait EnumReprInfo {
[INFO] [stdout]    |       ------------ method in this trait
[INFO] [stdout] 13 |     fn has_inner_tag(&self) -> bool;
[INFO] [stdout] 14 |     fn has_outer_tag(&self) -> bool;
[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 4.36s
[INFO] running `Command { std: "docker" "inspect" "6999c194f2897ad13137cc48097faf93d2e54d5e8edd968d50b77dc4492b3eea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6999c194f2897ad13137cc48097faf93d2e54d5e8edd968d50b77dc4492b3eea", kill_on_drop: false }`
[INFO] [stdout] 6999c194f2897ad13137cc48097faf93d2e54d5e8edd968d50b77dc4492b3eea
[INFO] checking isrepr_macros-0.1.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate isrepr_macros 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate isrepr_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 isrepr_macros 0.1.0
[INFO] finished tweaking crates.io crate isrepr_macros 0.1.0
[INFO] tweaked toml for crates.io crate isrepr_macros 0.1.0 written to /workspace/builds/worker-6-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [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-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3eb9257d02eaab3d1b35ee175a741aaa246fd0a2983d551933ce693d9f7cdea0
[INFO] running `Command { std: "docker" "start" "-a" "3eb9257d02eaab3d1b35ee175a741aaa246fd0a2983d551933ce693d9f7cdea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3eb9257d02eaab3d1b35ee175a741aaa246fd0a2983d551933ce693d9f7cdea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb9257d02eaab3d1b35ee175a741aaa246fd0a2983d551933ce693d9f7cdea0", kill_on_drop: false }`
[INFO] [stdout] 3eb9257d02eaab3d1b35ee175a741aaa246fd0a2983d551933ce693d9f7cdea0
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8f38d9b4f45c7a495adc5e37ba9c3def049e73860433cfae8a65e9e4b142180
[INFO] running `Command { std: "docker" "start" "-a" "b8f38d9b4f45c7a495adc5e37ba9c3def049e73860433cfae8a65e9e4b142180", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking isrepr_macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `has_outer_tag` is never used
[INFO] [stdout]   --> src/repr/repr_enum.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait EnumReprInfo {
[INFO] [stdout]    |       ------------ method in this trait
[INFO] [stdout] 13 |     fn has_inner_tag(&self) -> bool;
[INFO] [stdout] 14 |     fn has_outer_tag(&self) -> bool;
[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 `has_outer_tag` is never used
[INFO] [stdout]   --> src/repr/repr_enum.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait EnumReprInfo {
[INFO] [stdout]    |       ------------ method in this trait
[INFO] [stdout] 13 |     fn has_inner_tag(&self) -> bool;
[INFO] [stdout] 14 |     fn has_outer_tag(&self) -> bool;
[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 4.97s
[INFO] running `Command { std: "docker" "inspect" "b8f38d9b4f45c7a495adc5e37ba9c3def049e73860433cfae8a65e9e4b142180", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f38d9b4f45c7a495adc5e37ba9c3def049e73860433cfae8a65e9e4b142180", kill_on_drop: false }`
[INFO] [stdout] b8f38d9b4f45c7a495adc5e37ba9c3def049e73860433cfae8a65e9e4b142180