[INFO] fetching crate class_file 0.1.0...
[INFO] checking class_file-0.1.0 against try#7306d3110618f84a6a4662b9e2cc4fd0d9b02da8 for pr-97346
[INFO] extracting crate class_file 0.1.0 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate class_file 0.1.0 on toolchain 7306d3110618f84a6a4662b9e2cc4fd0d9b02da8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate class_file 0.1.0
[INFO] finished tweaking crates.io crate class_file 0.1.0
[INFO] tweaked toml for crates.io crate class_file 0.1.0 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dde461eba4b65eacb3692c5e04e918d98baf48219a8534768bb4f4330461e2c
[INFO] running `Command { std: "docker" "start" "-a" "4dde461eba4b65eacb3692c5e04e918d98baf48219a8534768bb4f4330461e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dde461eba4b65eacb3692c5e04e918d98baf48219a8534768bb4f4330461e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dde461eba4b65eacb3692c5e04e918d98baf48219a8534768bb4f4330461e2c", kill_on_drop: false }`
[INFO] [stdout] 4dde461eba4b65eacb3692c5e04e918d98baf48219a8534768bb4f4330461e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+7306d3110618f84a6a4662b9e2cc4fd0d9b02da8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e5528f9aa72e9aa837e2dca8ed7aed323262a4a64ec9c3c727d1e26730d5d4b
[INFO] running `Command { std: "docker" "start" "-a" "3e5528f9aa72e9aa837e2dca8ed7aed323262a4a64ec9c3c727d1e26730d5d4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking mutf8 v0.1.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking class_file v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_INTEGER_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_INTEGER_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 109 |             CONSTANT_INTEGER_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_FLOAT_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_FLOAT_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 110 |             CONSTANT_FLOAT_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_LONG_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_LONG_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 111 |             CONSTANT_LONG_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_DOUBLE_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_DOUBLE_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 112 |             CONSTANT_DOUBLE_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_STRING_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_STRING_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 113 |             CONSTANT_STRING_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_INTEGER_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:649:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_INTEGER_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 649 |             CONSTANT_INTEGER_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_FLOAT_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:650:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_FLOAT_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 650 |             CONSTANT_FLOAT_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_LONG_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:651:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_LONG_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 651 |             CONSTANT_LONG_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_DOUBLE_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:652:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_DOUBLE_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 652 |             CONSTANT_DOUBLE_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_STRING_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:653:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_STRING_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 653 |             CONSTANT_STRING_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_METHOD_HANDLE_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:654:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_METHOD_HANDLE_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 654 |             CONSTANT_METHOD_HANDLE_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_METHOD_TYPE_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:655:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_METHOD_TYPE_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 655 |             CONSTANT_METHOD_TYPE_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_DYNAMIC_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:656:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_DYNAMIC_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 656 |             CONSTANT_DYNAMIC_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_INTEGER_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:109:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_INTEGER_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 109 |             CONSTANT_INTEGER_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_FLOAT_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_FLOAT_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 110 |             CONSTANT_FLOAT_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_LONG_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:111:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_LONG_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 111 |             CONSTANT_LONG_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_DOUBLE_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:112:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_DOUBLE_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 112 |             CONSTANT_DOUBLE_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_STRING_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_STRING_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 113 |             CONSTANT_STRING_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_INTEGER_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:649:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_INTEGER_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 649 |             CONSTANT_INTEGER_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_FLOAT_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:650:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_FLOAT_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 650 |             CONSTANT_FLOAT_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_LONG_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:651:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_LONG_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 651 |             CONSTANT_LONG_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_DOUBLE_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:652:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_DOUBLE_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 652 |             CONSTANT_DOUBLE_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_STRING_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:653:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_STRING_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 653 |             CONSTANT_STRING_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_METHOD_HANDLE_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:654:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_METHOD_HANDLE_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 654 |             CONSTANT_METHOD_HANDLE_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_METHOD_TYPE_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:655:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_METHOD_TYPE_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 655 |             CONSTANT_METHOD_TYPE_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CONSTANT_DYNAMIC_TAG` is imported redundantly
[INFO] [stdout]    --> src/attr.rs:656:4
[INFO] [stdout]     |
[INFO] [stdout] 3   | use crate::*;
[INFO] [stdout]     |     -------- the item `CONSTANT_DYNAMIC_TAG` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 656 |             CONSTANT_DYNAMIC_TAG,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.27s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "3e5528f9aa72e9aa837e2dca8ed7aed323262a4a64ec9c3c727d1e26730d5d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5528f9aa72e9aa837e2dca8ed7aed323262a4a64ec9c3c727d1e26730d5d4b", kill_on_drop: false }`
[INFO] [stdout] 3e5528f9aa72e9aa837e2dca8ed7aed323262a4a64ec9c3c727d1e26730d5d4b