[INFO] fetching crate thin-string 0.2.1...
[INFO] checking thin-string-0.2.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate thin-string 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate thin-string 0.2.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thin-string 0.2.1
[INFO] finished tweaking crates.io crate thin-string 0.2.1
[INFO] tweaked toml for crates.io crate thin-string 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 600aeb56d596fafaf8ab2c2b93b4bbdf3c444dd9f420fea8bd97ed13399dc4f9
[INFO] running `Command { std: "docker" "start" "-a" "600aeb56d596fafaf8ab2c2b93b4bbdf3c444dd9f420fea8bd97ed13399dc4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "600aeb56d596fafaf8ab2c2b93b4bbdf3c444dd9f420fea8bd97ed13399dc4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "600aeb56d596fafaf8ab2c2b93b4bbdf3c444dd9f420fea8bd97ed13399dc4f9", kill_on_drop: false }`
[INFO] [stdout] 600aeb56d596fafaf8ab2c2b93b4bbdf3c444dd9f420fea8bd97ed13399dc4f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1311458867f5695fb7188adbdc830c32c126b743a616f6096df8de1e73c50478
[INFO] running `Command { std: "docker" "start" "-a" "1311458867f5695fb7188adbdc830c32c126b743a616f6096df8de1e73c50478", kill_on_drop: false }`
[INFO] [stderr]     Checking thin-vec v0.2.13
[INFO] [stderr]     Checking thin-string v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `Utf8Chunks` in the current scope
[INFO] [stdout]   --> src/lib.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut iter = Utf8Chunks::new(v);
[INFO] [stdout]    |                                    ^^^ function or associated item not found in `Utf8Chunks<'_>`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `ne` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut iter = Utf8Chunks::ne(v);
[INFO] [stdout]    |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `new` found for struct `Utf8Chunks` in the current scope
[INFO] [stdout]   --> src/lib.rs:65:36
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut iter = Utf8Chunks::new(v);
[INFO] [stdout]    |                                    ^^^ function or associated item not found in `Utf8Chunks<'_>`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a method `ne` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut iter = Utf8Chunks::ne(v);
[INFO] [stdout]    |                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thin-string` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `thin-string` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1311458867f5695fb7188adbdc830c32c126b743a616f6096df8de1e73c50478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1311458867f5695fb7188adbdc830c32c126b743a616f6096df8de1e73c50478", kill_on_drop: false }`
[INFO] [stdout] 1311458867f5695fb7188adbdc830c32c126b743a616f6096df8de1e73c50478
[INFO] checking thin-string-0.2.1 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate thin-string 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate thin-string 0.2.1 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate thin-string 0.2.1
[INFO] finished tweaking crates.io crate thin-string 0.2.1
[INFO] tweaked toml for crates.io crate thin-string 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e67d3379bf5f291e692dc1be8d0c3d10fcf2d45819e8eb4e7a55a653f05202e7
[INFO] running `Command { std: "docker" "start" "-a" "e67d3379bf5f291e692dc1be8d0c3d10fcf2d45819e8eb4e7a55a653f05202e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e67d3379bf5f291e692dc1be8d0c3d10fcf2d45819e8eb4e7a55a653f05202e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e67d3379bf5f291e692dc1be8d0c3d10fcf2d45819e8eb4e7a55a653f05202e7", kill_on_drop: false }`
[INFO] [stdout] e67d3379bf5f291e692dc1be8d0c3d10fcf2d45819e8eb4e7a55a653f05202e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c95b0af338ca0bc533de980de8dbfb26674413ec3cf7db2dea5be3eadb1533f2
[INFO] running `Command { std: "docker" "start" "-a" "c95b0af338ca0bc533de980de8dbfb26674413ec3cf7db2dea5be3eadb1533f2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "c95b0af338ca0bc533de980de8dbfb26674413ec3cf7db2dea5be3eadb1533f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95b0af338ca0bc533de980de8dbfb26674413ec3cf7db2dea5be3eadb1533f2", kill_on_drop: false }`
[INFO] [stdout] c95b0af338ca0bc533de980de8dbfb26674413ec3cf7db2dea5be3eadb1533f2