[INFO] fetching crate lark-span 0.1.0...
[INFO] checking lark-span-0.1.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate lark-span 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate lark-span 0.1.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lark-span 0.1.0
[INFO] finished tweaking crates.io crate lark-span 0.1.0
[INFO] tweaked toml for crates.io crate lark-span 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f87673b2d4c946a9bcc8273b2699c4cd9086b2feb16e3688ebe8c2b86d430b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3f87673b2d4c946a9bcc8273b2699c4cd9086b2feb16e3688ebe8c2b86d430b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f87673b2d4c946a9bcc8273b2699c4cd9086b2feb16e3688ebe8c2b86d430b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f87673b2d4c946a9bcc8273b2699c4cd9086b2feb16e3688ebe8c2b86d430b7", kill_on_drop: false }`
[INFO] [stdout] 3f87673b2d4c946a9bcc8273b2699c4cd9086b2feb16e3688ebe8c2b86d430b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f8187f80c77cc282a6e9871356b71c585300c612680145c54e1126ced076cfdf
[INFO] running `Command { std: "docker" "start" "-a" "f8187f80c77cc282a6e9871356b71c585300c612680145c54e1126ced076cfdf", kill_on_drop: false }`
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking serde_json v1.0.62
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling lark-debug-derive v0.1.0
[INFO] [stderr]     Checking lark-string v0.1.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking render-tree v0.1.1
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking languageserver-types v0.53.1
[INFO] [stderr]     Checking language-reporting v0.3.1
[INFO] [stderr]     Checking lark-span v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: suffixes on a tuple index are invalid
[INFO] [stdout]  --> src/span.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Copy, Clone, Debug, DebugWith, PartialEq, Eq, PartialOrd, Ord, Hash)]
[INFO] [stdout]   |                              ^^^^^^^^^ invalid suffix `usize`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases
[INFO] [stdout]   = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access
[INFO] [stdout]   = note: see issue #60210 <https://github.com/rust-lang/rust/issues/60210> for more information
[INFO] [stdout]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suffixes on a tuple index are invalid
[INFO] [stdout]   --> src/span.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Copy, Clone, Debug, DebugWith, PartialEq, Eq, PartialOrd, Ord, Hash)]
[INFO] [stdout]    |                              ^^^^^^^^^ invalid suffix `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases
[INFO] [stdout]    = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access
[INFO] [stdout]    = note: see issue #60210 <https://github.com/rust-lang/rust/issues/60210> for more information
[INFO] [stdout]    = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suffixes on a tuple index are invalid
[INFO] [stdout]  --> src/span.rs:8:30
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Copy, Clone, Debug, DebugWith, PartialEq, Eq, PartialOrd, Ord, Hash)]
[INFO] [stdout]   |                              ^^^^^^^^^ invalid suffix `usize`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases
[INFO] [stdout]   = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access
[INFO] [stdout]   = note: see issue #60210 <https://github.com/rust-lang/rust/issues/60210> for more information
[INFO] [stdout]   = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suffixes on a tuple index are invalid
[INFO] [stdout]   --> src/span.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 | #[derive(Copy, Clone, Debug, DebugWith, PartialEq, Eq, PartialOrd, Ord, Hash)]
[INFO] [stdout]    |                              ^^^^^^^^^ invalid suffix `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases
[INFO] [stdout]    = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access
[INFO] [stdout]    = note: see issue #60210 <https://github.com/rust-lang/rust/issues/60210> for more information
[INFO] [stdout]    = note: this warning originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 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 20.47s
[INFO] running `Command { std: "docker" "inspect" "f8187f80c77cc282a6e9871356b71c585300c612680145c54e1126ced076cfdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8187f80c77cc282a6e9871356b71c585300c612680145c54e1126ced076cfdf", kill_on_drop: false }`
[INFO] [stdout] f8187f80c77cc282a6e9871356b71c585300c612680145c54e1126ced076cfdf