[INFO] fetching crate fluid_attributes 0.4.0...
[INFO] checking fluid_attributes-0.4.0 against try#21cad1f647cfd05a566220f933edd88a53e50bcf for pr-129249-1
[INFO] extracting crate fluid_attributes 0.4.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate fluid_attributes 0.4.0
[INFO] finished tweaking crates.io crate fluid_attributes 0.4.0
[INFO] tweaked toml for crates.io crate fluid_attributes 0.4.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fluid_attributes 0.4.0 on toolchain 21cad1f647cfd05a566220f933edd88a53e50bcf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.106)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.45)
[INFO] [stderr]       Adding syn v0.15.44 (available: v2.0.118)
[INFO] [stderr]       Adding uuid v0.7.4 (available: v1.23.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] aa26c9aa194b5911ba4a57607ffe0c22aa6c3d3f8ee1b6c2917e39cbdeec11fa
[INFO] running `Command { std: "docker" "start" "aa26c9aa194b5911ba4a57607ffe0c22aa6c3d3f8ee1b6c2917e39cbdeec11fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "aa26c9aa194b5911ba4a57607ffe0c22aa6c3d3f8ee1b6c2917e39cbdeec11fa" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa26c9aa194b5911ba4a57607ffe0c22aa6c3d3f8ee1b6c2917e39cbdeec11fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "aa26c9aa194b5911ba4a57607ffe0c22aa6c3d3f8ee1b6c2917e39cbdeec11fa" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking libc v0.2.186
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking fluid_attributes v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `quote`
[INFO] [stdout]  --> src/session.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::{quote, ToTokens};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> src/helpers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote`
[INFO] [stdout]  --> src/assertion_derive.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use quote::{quote, ToTokens};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `quote`
[INFO] [stdout]  --> src/session.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use quote::{quote, ToTokens};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fluid_attributes` (lib) due to 4 previous errors; 3 warnings emitted
[INFO] [stdout] warning: unused import: `quote::quote`
[INFO] [stdout]  --> src/helpers.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use quote::quote;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `quote`
[INFO] [stdout]  --> src/assertion_derive.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use quote::{quote, ToTokens};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]    --> src/session.rs:108:55
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 FnArg::SelfRef(arg) => Err(Error::new(arg.span().into(), ERRMSG)),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<proc_macro2::Span as Into<proc_macro2::Span>::into(val) to avoid triggering this lint
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]    --> src/session.rs:109:57
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 FnArg::SelfValue(arg) => Err(Error::new(arg.span().into(), ERRMSG)),
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<proc_macro2::Span as Into<proc_macro2::Span>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]    --> src/session.rs:110:56
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 FnArg::Inferred(arg) => Err(Error::new(arg.span().into(), ERRMSG)),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<proc_macro2::Span as Into<proc_macro2::Span>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]    --> src/session.rs:111:55
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 FnArg::Ignored(arg) => Err(Error::new(arg.span().into(), ERRMSG)),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<proc_macro2::Span as Into<proc_macro2::Span>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]    --> src/session.rs:108:55
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 FnArg::SelfRef(arg) => Err(Error::new(arg.span().into(), ERRMSG)),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<proc_macro2::Span as Into<proc_macro2::Span>::into(val) to avoid triggering this lint
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fluid_attributes` (lib test) due to 4 previous errors; 3 warnings emitted
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]    --> src/session.rs:109:57
[INFO] [stdout]     |
[INFO] [stdout] 109 |                 FnArg::SelfValue(arg) => Err(Error::new(arg.span().into(), ERRMSG)),
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<proc_macro2::Span as Into<proc_macro2::Span>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]    --> src/session.rs:110:56
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 FnArg::Inferred(arg) => Err(Error::new(arg.span().into(), ERRMSG)),
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<proc_macro2::Span as Into<proc_macro2::Span>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `proc_macro2::Span`
[INFO] [stdout]    --> src/session.rs:111:55
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 FnArg::Ignored(arg) => Err(Error::new(arg.span().into(), ERRMSG)),
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]     = note: you can instead use the fully-qualified path `<proc_macro2::Span as Into<proc_macro2::Span>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa26c9aa194b5911ba4a57607ffe0c22aa6c3d3f8ee1b6c2917e39cbdeec11fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa26c9aa194b5911ba4a57607ffe0c22aa6c3d3f8ee1b6c2917e39cbdeec11fa", kill_on_drop: false }`
[INFO] [stdout] aa26c9aa194b5911ba4a57607ffe0c22aa6c3d3f8ee1b6c2917e39cbdeec11fa
