[INFO] fetching crate tstr 0.2.1...
[INFO] checking tstr-0.2.1 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate tstr 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate tstr 0.2.1 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tstr 0.2.1
[INFO] finished tweaking crates.io crate tstr 0.2.1
[INFO] tweaked toml for crates.io crate tstr 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea8b5b5f498bcc8ae734fde2a69fe482741112d7498970b17d3ff8658313f0fe
[INFO] running `Command { std: "docker" "start" "-a" "ea8b5b5f498bcc8ae734fde2a69fe482741112d7498970b17d3ff8658313f0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea8b5b5f498bcc8ae734fde2a69fe482741112d7498970b17d3ff8658313f0fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8b5b5f498bcc8ae734fde2a69fe482741112d7498970b17d3ff8658313f0fe", kill_on_drop: false }`
[INFO] [stdout] ea8b5b5f498bcc8ae734fde2a69fe482741112d7498970b17d3ff8658313f0fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50b0e11f129be3cd3d5698286de8c32bbd7e1ad5372de3184e61cd39522fb8f7
[INFO] running `Command { std: "docker" "start" "-a" "50b0e11f129be3cd3d5698286de8c32bbd7e1ad5372de3184e61cd39522fb8f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling tstr_proc_macros v0.2.1
[INFO] [stderr]     Checking tstr v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::marker::PhantomData`
[INFO] [stdout]  --> src/asserts.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/asserts.rs:92:1
[INFO] [stdout]     |
[INFO] [stdout] 92  | / macro_rules! declare_assert_res {
[INFO] [stdout] 93  | |     (
[INFO] [stdout] 94  | |         $(#[$meta:meta])*
[INFO] [stdout] 95  | |         struct $struct:ident<$L:ident, $R:ident>;
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |     };
[INFO] [stdout] 113 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::marker::PhantomData`
[INFO] [stdout]  --> src/asserts.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::marker::PhantomData;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/asserts.rs:92:1
[INFO] [stdout]     |
[INFO] [stdout] 92  | / macro_rules! declare_assert_res {
[INFO] [stdout] 93  | |     (
[INFO] [stdout] 94  | |         $(#[$meta:meta])*
[INFO] [stdout] 95  | |         struct $struct:ident<$L:ident, $R:ident>;
[INFO] [stdout] ...   |
[INFO] [stdout] 112 | |     };
[INFO] [stdout] 113 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/utils.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "50b0e11f129be3cd3d5698286de8c32bbd7e1ad5372de3184e61cd39522fb8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b0e11f129be3cd3d5698286de8c32bbd7e1ad5372de3184e61cd39522fb8f7", kill_on_drop: false }`
[INFO] [stdout] 50b0e11f129be3cd3d5698286de8c32bbd7e1ad5372de3184e61cd39522fb8f7