[INFO] fetching crate icu_datagen 1.5.0...
[INFO] checking icu_datagen-1.5.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate icu_datagen 1.5.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate icu_datagen 1.5.0
[INFO] finished tweaking crates.io crate icu_datagen 1.5.0
[INFO] tweaked toml for crates.io crate icu_datagen 1.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate icu_datagen 1.5.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate icu_datagen 1.5.0 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94bdf14ead67598a7bbf7da1298b281313a9bae1e25d0c8aaff50f10babb0567
[INFO] running `Command { std: "docker" "start" "-a" "94bdf14ead67598a7bbf7da1298b281313a9bae1e25d0c8aaff50f10babb0567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94bdf14ead67598a7bbf7da1298b281313a9bae1e25d0c8aaff50f10babb0567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94bdf14ead67598a7bbf7da1298b281313a9bae1e25d0c8aaff50f10babb0567", kill_on_drop: false }`
[INFO] [stdout] 94bdf14ead67598a7bbf7da1298b281313a9bae1e25d0c8aaff50f10babb0567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 190a4f52809317676734624875d171ad505d386bd576f534d2dab9bbea4f9f91
[INFO] running `Command { std: "docker" "start" "-a" "190a4f52809317676734624875d171ad505d386bd576f534d2dab9bbea4f9f91", kill_on_drop: false }`
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[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:240:42
[INFO] [stdout]     |
[INFO] [stdout] 240 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ----------------  ^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 373 | / symbols!(
[INFO] [stdout] 374 | |     day_periods,
[INFO] [stdout] 375 | |     DayPeriod,
[INFO] [stdout] 376 | |     #[derive(Default)]
[INFO] [stdout] ...   |
[INFO] [stdout] 403 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `databake::Bake` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:243:50
[INFO] [stdout]     |
[INFO] [stdout] 240 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ---------------- previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 243 |               #[cfg_attr(feature = "serde", derive(serde::Deserialize))]
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout] ...
[INFO] [stdout] 373 | / symbols!(
[INFO] [stdout] 374 | |     day_periods,
[INFO] [stdout] 375 | |     DayPeriod,
[INFO] [stdout] 376 | |     #[derive(Default)]
[INFO] [stdout] ...   |
[INFO] [stdout] 403 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `serde::Deserialize` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:209:42
[INFO] [stdout]     |
[INFO] [stdout] 209 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ----------------  ^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 373 | / symbols!(
[INFO] [stdout] 374 | |     day_periods,
[INFO] [stdout] 375 | |     DayPeriod,
[INFO] [stdout] 376 | |     #[derive(Default)]
[INFO] [stdout] ...   |
[INFO] [stdout] 403 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `databake::Bake` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:212:50
[INFO] [stdout]     |
[INFO] [stdout] 209 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ---------------- previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 212 |               #[cfg_attr(feature = "serde", derive(serde::Deserialize))]
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout] ...
[INFO] [stdout] 373 | / symbols!(
[INFO] [stdout] 374 | |     day_periods,
[INFO] [stdout] 375 | |     DayPeriod,
[INFO] [stdout] 376 | |     #[derive(Default)]
[INFO] [stdout] ...   |
[INFO] [stdout] 403 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `serde::Deserialize` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:240:42
[INFO] [stdout]     |
[INFO] [stdout] 240 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ----------------  ^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 357 | / symbols!(
[INFO] [stdout] 358 | |     weekdays,
[INFO] [stdout] 359 | |     Weekday,
[INFO] [stdout] 360 | |     #[derive(Default)]
[INFO] [stdout] ...   |
[INFO] [stdout] 370 | |     );
[INFO] [stdout] 371 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `databake::Bake` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:243:50
[INFO] [stdout]     |
[INFO] [stdout] 240 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ---------------- previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 243 |               #[cfg_attr(feature = "serde", derive(serde::Deserialize))]
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout] ...
[INFO] [stdout] 357 | / symbols!(
[INFO] [stdout] 358 | |     weekdays,
[INFO] [stdout] 359 | |     Weekday,
[INFO] [stdout] 360 | |     #[derive(Default)]
[INFO] [stdout] ...   |
[INFO] [stdout] 370 | |     );
[INFO] [stdout] 371 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `serde::Deserialize` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:209:42
[INFO] [stdout]     |
[INFO] [stdout] 209 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ----------------  ^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 357 | / symbols!(
[INFO] [stdout] 358 | |     weekdays,
[INFO] [stdout] 359 | |     Weekday,
[INFO] [stdout] 360 | |     #[derive(Default)]
[INFO] [stdout] ...   |
[INFO] [stdout] 370 | |     );
[INFO] [stdout] 371 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `databake::Bake` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:212:50
[INFO] [stdout]     |
[INFO] [stdout] 209 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ---------------- previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 212 |               #[cfg_attr(feature = "serde", derive(serde::Deserialize))]
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout] ...
[INFO] [stdout] 357 | / symbols!(
[INFO] [stdout] 358 | |     weekdays,
[INFO] [stdout] 359 | |     Weekday,
[INFO] [stdout] 360 | |     #[derive(Default)]
[INFO] [stdout] ...   |
[INFO] [stdout] 370 | |     );
[INFO] [stdout] 371 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `serde::Deserialize` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:240:42
[INFO] [stdout]     |
[INFO] [stdout] 240 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ----------------  ^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 286 | / symbols!(
[INFO] [stdout] 287 | |     months,
[INFO] [stdout] 288 | |     Month,
[INFO] [stdout] 289 | |     #[allow(clippy::large_enum_variant)]
[INFO] [stdout] ...   |
[INFO] [stdout] 308 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `databake::Bake` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:243:50
[INFO] [stdout]     |
[INFO] [stdout] 240 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ---------------- previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 243 |               #[cfg_attr(feature = "serde", derive(serde::Deserialize))]
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout] ...
[INFO] [stdout] 286 | / symbols!(
[INFO] [stdout] 287 | |     months,
[INFO] [stdout] 288 | |     Month,
[INFO] [stdout] 289 | |     #[allow(clippy::large_enum_variant)]
[INFO] [stdout] ...   |
[INFO] [stdout] 308 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `serde::Deserialize` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:209:42
[INFO] [stdout]     |
[INFO] [stdout] 209 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ----------------  ^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 286 | / symbols!(
[INFO] [stdout] 287 | |     months,
[INFO] [stdout] 288 | |     Month,
[INFO] [stdout] 289 | |     #[allow(clippy::large_enum_variant)]
[INFO] [stdout] ...   |
[INFO] [stdout] 308 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `databake::Bake` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0428]: the name `_` is defined multiple times
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/icu_datetime-1.5.0/src/provider/calendar/symbols.rs:212:50
[INFO] [stdout]     |
[INFO] [stdout] 209 |                   derive(serde::Serialize, databake::Bake),
[INFO] [stdout]     |                          ---------------- previous definition of the value `_` here
[INFO] [stdout] ...
[INFO] [stdout] 212 |               #[cfg_attr(feature = "serde", derive(serde::Deserialize))]
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^ `_` redefined here
[INFO] [stdout] ...
[INFO] [stdout] 286 | / symbols!(
[INFO] [stdout] 287 | |     months,
[INFO] [stdout] 288 | |     Month,
[INFO] [stdout] 289 | |     #[allow(clippy::large_enum_variant)]
[INFO] [stdout] ...   |
[INFO] [stdout] 308 | | );
[INFO] [stdout]     | |_- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `_` must be defined only once in the value namespace of this module
[INFO] [stdout]     = note: this error originates in the derive macro `serde::Deserialize` which comes from the expansion of the macro `symbols` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `icu_datetime` (lib) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "190a4f52809317676734624875d171ad505d386bd576f534d2dab9bbea4f9f91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190a4f52809317676734624875d171ad505d386bd576f534d2dab9bbea4f9f91", kill_on_drop: false }`
[INFO] [stdout] 190a4f52809317676734624875d171ad505d386bd576f534d2dab9bbea4f9f91
