[INFO] fetching crate json_api_derive 0.1.0...
[INFO] checking json_api_derive-0.1.0 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate json_api_derive 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate json_api_derive 0.1.0 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 json_api_derive 0.1.0
[INFO] finished tweaking crates.io crate json_api_derive 0.1.0
[INFO] tweaked toml for crates.io crate json_api_derive 0.1.0 written to /workspace/builds/worker-4-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] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] be4eb3e17d0687e9c00e52ff17cdd41bc448afc3b192442d5253e40f202561ac
[INFO] running `Command { std: "docker" "start" "-a" "be4eb3e17d0687e9c00e52ff17cdd41bc448afc3b192442d5253e40f202561ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4eb3e17d0687e9c00e52ff17cdd41bc448afc3b192442d5253e40f202561ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4eb3e17d0687e9c00e52ff17cdd41bc448afc3b192442d5253e40f202561ac", kill_on_drop: false }`
[INFO] [stdout] be4eb3e17d0687e9c00e52ff17cdd41bc448afc3b192442d5253e40f202561ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 485c2c1eb378598e2a7bcf6ca8bf48e832867c100896d05d9922d5464d7ebeae
[INFO] running `Command { std: "docker" "start" "-a" "485c2c1eb378598e2a7bcf6ca8bf48e832867c100896d05d9922d5464d7ebeae", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling serde_derive v1.0.203
[INFO] [stderr]     Checking json_api_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/context/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::export::ToTokens;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::export`
[INFO] [stdout]  --> src/context/mod.rs:6:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::export::ToTokens;
[INFO] [stdout]   |          ^^^^^^ could not find `export` in `syn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_token_stream` found for reference `&DeriveInput` in the current scope
[INFO] [stdout]    --> src/context/mod.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     ast.to_token_stream(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `ToTokens` which provides `to_token_stream` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use quote::ToTokens;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `into_token_stream` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     ast.into_token_stream(),
[INFO] [stdout]     |                         ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_token_stream` found for reference `&DeriveInput` in the current scope
[INFO] [stdout]    --> src/context/mod.rs:133:25
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     ast.to_token_stream(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `ToTokens` which provides `to_token_stream` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use quote::ToTokens;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `into_token_stream` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 133 |                     ast.into_token_stream(),
[INFO] [stdout]     |                         ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_token_stream` found for reference `&syn::Field` in the current scope
[INFO] [stdout]    --> src/context/mod.rs:158:47
[INFO] [stdout]     |
[INFO] [stdout] 158 | ...                   field.to_token_stream(),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `ToTokens` which provides `to_token_stream` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use quote::ToTokens;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `into_token_stream` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 158 |                                         field.into_token_stream(),
[INFO] [stdout]     |                                               ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `to_token_stream` found for reference `&syn::Field` in the current scope
[INFO] [stdout]    --> src/context/mod.rs:158:47
[INFO] [stdout]     |
[INFO] [stdout] 158 | ...                   field.to_token_stream(),
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `ToTokens` which provides `to_token_stream` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]     |
[INFO] [stdout] 1   + use quote::ToTokens;
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `into_token_stream` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 158 |                                         field.into_token_stream(),
[INFO] [stdout]     |                                               ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json_api_derive` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `json_api_derive` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "485c2c1eb378598e2a7bcf6ca8bf48e832867c100896d05d9922d5464d7ebeae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "485c2c1eb378598e2a7bcf6ca8bf48e832867c100896d05d9922d5464d7ebeae", kill_on_drop: false }`
[INFO] [stdout] 485c2c1eb378598e2a7bcf6ca8bf48e832867c100896d05d9922d5464d7ebeae
[INFO] checking json_api_derive-0.1.0 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate json_api_derive 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate json_api_derive 0.1.0 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 json_api_derive 0.1.0
[INFO] finished tweaking crates.io crate json_api_derive 0.1.0
[INFO] tweaked toml for crates.io crate json_api_derive 0.1.0 written to /workspace/builds/worker-4-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] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] f18fc1f87159e655c2462e01b33def453c4223337197ec75355d89d2172456ca
[INFO] running `Command { std: "docker" "start" "-a" "f18fc1f87159e655c2462e01b33def453c4223337197ec75355d89d2172456ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f18fc1f87159e655c2462e01b33def453c4223337197ec75355d89d2172456ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f18fc1f87159e655c2462e01b33def453c4223337197ec75355d89d2172456ca", kill_on_drop: false }`
[INFO] [stdout] f18fc1f87159e655c2462e01b33def453c4223337197ec75355d89d2172456ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 184aae3649fb1d8ca9981e5f070d9bd2f5eafce9f009fa62deca6dadaa482132
[INFO] running `Command { std: "docker" "start" "-a" "184aae3649fb1d8ca9981e5f070d9bd2f5eafce9f009fa62deca6dadaa482132", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "184aae3649fb1d8ca9981e5f070d9bd2f5eafce9f009fa62deca6dadaa482132", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184aae3649fb1d8ca9981e5f070d9bd2f5eafce9f009fa62deca6dadaa482132", kill_on_drop: false }`
[INFO] [stdout] 184aae3649fb1d8ca9981e5f070d9bd2f5eafce9f009fa62deca6dadaa482132