[INFO] fetching crate tstr 0.2.2...
[INFO] checking tstr-0.2.2 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate tstr 0.2.2 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate tstr 0.2.2 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tstr 0.2.2
[INFO] finished tweaking crates.io crate tstr 0.2.2
[INFO] tweaked toml for crates.io crate tstr 0.2.2 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tstr_proc_macros v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c558539d200e14449cf228a7f6bf26dbffa5cb4dbcd25e66c1943f719ca45ad
[INFO] running `Command { std: "docker" "start" "-a" "0c558539d200e14449cf228a7f6bf26dbffa5cb4dbcd25e66c1943f719ca45ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c558539d200e14449cf228a7f6bf26dbffa5cb4dbcd25e66c1943f719ca45ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c558539d200e14449cf228a7f6bf26dbffa5cb4dbcd25e66c1943f719ca45ad", kill_on_drop: false }`
[INFO] [stdout] 0c558539d200e14449cf228a7f6bf26dbffa5cb4dbcd25e66c1943f719ca45ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17bda205527cfb784a027029d136592296d19e3aaf07fa5a1f4b11d212ef4353
[INFO] running `Command { std: "docker" "start" "-a" "17bda205527cfb784a027029d136592296d19e3aaf07fa5a1f4b11d212ef4353", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling tstr_proc_macros v0.2.2
[INFO] [stderr]     Checking tstr v0.2.2 (/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: `declare_assert_res`
[INFO] [stdout]   --> src/asserts.rs:92:14
[INFO] [stdout]    |
[INFO] [stdout] 92 | macro_rules! declare_assert_res {
[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: 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: `declare_assert_res`
[INFO] [stdout]   --> src/asserts.rs:92:14
[INFO] [stdout]    |
[INFO] [stdout] 92 | macro_rules! declare_assert_res {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "17bda205527cfb784a027029d136592296d19e3aaf07fa5a1f4b11d212ef4353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bda205527cfb784a027029d136592296d19e3aaf07fa5a1f4b11d212ef4353", kill_on_drop: false }`
[INFO] [stdout] 17bda205527cfb784a027029d136592296d19e3aaf07fa5a1f4b11d212ef4353