[INFO] fetching crate flicbtn 0.1.1...
[INFO] checking flicbtn-0.1.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate flicbtn 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate flicbtn 0.1.1 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 flicbtn 0.1.1
[INFO] finished tweaking crates.io crate flicbtn 0.1.1
[INFO] tweaked toml for crates.io crate flicbtn 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate flicbtn 0.1.1 already has a lockfile, it will not be regenerated
[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] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded net2 v0.2.34
[INFO] [stderr]   Downloaded derivative v2.1.1
[INFO] [stderr]   Downloaded once_cell v1.4.0
[INFO] [stderr]   Downloaded socket2 v0.3.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f703851bcaec28c0982d536f6977dae6c1352cca87220b8149436aa909450824
[INFO] running `Command { std: "docker" "start" "-a" "f703851bcaec28c0982d536f6977dae6c1352cca87220b8149436aa909450824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f703851bcaec28c0982d536f6977dae6c1352cca87220b8149436aa909450824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f703851bcaec28c0982d536f6977dae6c1352cca87220b8149436aa909450824", kill_on_drop: false }`
[INFO] [stdout] f703851bcaec28c0982d536f6977dae6c1352cca87220b8149436aa909450824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8320a262aca3c6813be069c288e0c0a483fffb3fe9b8ef3a5dd50713d6269b1f
[INFO] running `Command { std: "docker" "start" "-a" "8320a262aca3c6813be069c288e0c0a483fffb3fe9b8ef3a5dd50713d6269b1f", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling num_enum_derive v0.4.3
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking num_enum v0.4.3
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking flicbtn v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `as_str` found for reference `&str` in the current scope
[INFO] [stdout]   --> examples/simpleclient.rs:45:25
[INFO] [stdout]    |
[INFO] [stdout] 45 |             match input.as_str() {
[INFO] [stdout]    |                        -^^^^^^-- help: remove this method call
[INFO] [stdout]    |
[INFO] [stdout] note: there's an earlier shadowed binding `input` of type `String` that has method `as_str` available
[INFO] [stdout]   --> examples/simpleclient.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 |             let mut input = String::new();
[INFO] [stdout]    |                 ^^^^^^^^^ `input` of type `String` that has method `as_str` defined earlier here
[INFO] [stdout] ...
[INFO] [stdout] 43 |             let input = input.trim();
[INFO] [stdout]    |                 ----- earlier `input` shadowed here with type `&str`
[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] [stderr] error: could not compile `flicbtn` (example "simpleclient") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8320a262aca3c6813be069c288e0c0a483fffb3fe9b8ef3a5dd50713d6269b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8320a262aca3c6813be069c288e0c0a483fffb3fe9b8ef3a5dd50713d6269b1f", kill_on_drop: false }`
[INFO] [stdout] 8320a262aca3c6813be069c288e0c0a483fffb3fe9b8ef3a5dd50713d6269b1f
[INFO] checking flicbtn-0.1.1 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate flicbtn 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate flicbtn 0.1.1 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 flicbtn 0.1.1
[INFO] finished tweaking crates.io crate flicbtn 0.1.1
[INFO] tweaked toml for crates.io crate flicbtn 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate flicbtn 0.1.1 already has a lockfile, it will not be regenerated
[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] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d22de2f8698f08cac22d58aa6d56c7b789f8a378925886dfb09c7ab87c71d5ca
[INFO] running `Command { std: "docker" "start" "-a" "d22de2f8698f08cac22d58aa6d56c7b789f8a378925886dfb09c7ab87c71d5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d22de2f8698f08cac22d58aa6d56c7b789f8a378925886dfb09c7ab87c71d5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22de2f8698f08cac22d58aa6d56c7b789f8a378925886dfb09c7ab87c71d5ca", kill_on_drop: false }`
[INFO] [stdout] d22de2f8698f08cac22d58aa6d56c7b789f8a378925886dfb09c7ab87c71d5ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4aee5581a4d865541ce4eada381808397372d3a92f79fe351463128de5cd588e
[INFO] running `Command { std: "docker" "start" "-a" "4aee5581a4d865541ce4eada381808397372d3a92f79fe351463128de5cd588e", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "4aee5581a4d865541ce4eada381808397372d3a92f79fe351463128de5cd588e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aee5581a4d865541ce4eada381808397372d3a92f79fe351463128de5cd588e", kill_on_drop: false }`
[INFO] [stdout] 4aee5581a4d865541ce4eada381808397372d3a92f79fe351463128de5cd588e