[INFO] fetching crate dynec-codegen 0.2.0-alpha.1...
[INFO] checking dynec-codegen-0.2.0-alpha.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate dynec-codegen 0.2.0-alpha.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate dynec-codegen 0.2.0-alpha.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynec-codegen 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate dynec-codegen 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate dynec-codegen 0.2.0-alpha.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matches2 v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8e2d659b001fdfe33e3c8ab37404cfb3faf60d3c337ed485923164f4c8dbec0
[INFO] running `Command { std: "docker" "start" "-a" "f8e2d659b001fdfe33e3c8ab37404cfb3faf60d3c337ed485923164f4c8dbec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e2d659b001fdfe33e3c8ab37404cfb3faf60d3c337ed485923164f4c8dbec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e2d659b001fdfe33e3c8ab37404cfb3faf60d3c337ed485923164f4c8dbec0", kill_on_drop: false }`
[INFO] [stdout] f8e2d659b001fdfe33e3c8ab37404cfb3faf60d3c337ed485923164f4c8dbec0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88188eb0a24e9039182a7ac011cfa308cec9a82d5e0a1f164dd40e5a63336a4b
[INFO] running `Command { std: "docker" "start" "-a" "88188eb0a24e9039182a7ac011cfa308cec9a82d5e0a1f164dd40e5a63336a4b", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking matches2 v1.2.1
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking dynec-codegen v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<Attribute>` in the current scope
[INFO] [stdout]    --> src/system/arg.rs:150:29
[INFO] [stdout]     |
[INFO] [stdout] 150 |     for attr in param.attrs.drain_filter(|attr| attr.path.is_ident("dynec")) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^ method not found in `Vec<Attribute>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<Attribute>` in the current scope
[INFO] [stdout]    --> src/system/arg.rs:150:29
[INFO] [stdout]     |
[INFO] [stdout] 150 |     for attr in param.attrs.drain_filter(|attr| attr.path.is_ident("dynec")) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^ method not found in `Vec<Attribute>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for mutable reference `&mut Vec<Attribute>` in the current scope
[INFO] [stdout]    --> src/util.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 133 | /     attrs
[INFO] [stdout] 134 | |         .drain_filter(|attr| attr.path.is_ident("dynec"))
[INFO] [stdout]     | |         -^^^^^^^^^^^^ method not found in `&mut Vec<Attribute>`
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for mutable reference `&mut Vec<Attribute>` in the current scope
[INFO] [stdout]    --> src/util.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 133 | /     attrs
[INFO] [stdout] 134 | |         .drain_filter(|attr| attr.path.is_ident("dynec"))
[INFO] [stdout]     | |         -^^^^^^^^^^^^ method not found in `&mut Vec<Attribute>`
[INFO] [stdout]     | |_________|
[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: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynec-codegen` (lib test) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynec-codegen` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "88188eb0a24e9039182a7ac011cfa308cec9a82d5e0a1f164dd40e5a63336a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88188eb0a24e9039182a7ac011cfa308cec9a82d5e0a1f164dd40e5a63336a4b", kill_on_drop: false }`
[INFO] [stdout] 88188eb0a24e9039182a7ac011cfa308cec9a82d5e0a1f164dd40e5a63336a4b
[INFO] checking dynec-codegen-0.2.0-alpha.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate dynec-codegen 0.2.0-alpha.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate dynec-codegen 0.2.0-alpha.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynec-codegen 0.2.0-alpha.1
[INFO] finished tweaking crates.io crate dynec-codegen 0.2.0-alpha.1
[INFO] tweaked toml for crates.io crate dynec-codegen 0.2.0-alpha.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 374ac1b618bb479a28337c1825644d639431971a968cfe48a56820d15e916033
[INFO] running `Command { std: "docker" "start" "-a" "374ac1b618bb479a28337c1825644d639431971a968cfe48a56820d15e916033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "374ac1b618bb479a28337c1825644d639431971a968cfe48a56820d15e916033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374ac1b618bb479a28337c1825644d639431971a968cfe48a56820d15e916033", kill_on_drop: false }`
[INFO] [stdout] 374ac1b618bb479a28337c1825644d639431971a968cfe48a56820d15e916033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 269f4e63dbfb25bd8f0ef73dffdfc6d435a0a338ea96995f62f55f85d18562f9
[INFO] running `Command { std: "docker" "start" "-a" "269f4e63dbfb25bd8f0ef73dffdfc6d435a0a338ea96995f62f55f85d18562f9", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking matches2 v1.2.1
[INFO] [stderr]     Checking proc-macro2 v1.0.79
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking dynec-codegen v0.2.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(drain_filter)]
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<Attribute>` in the current scope
[INFO] [stdout]    --> src/system/arg.rs:150:29
[INFO] [stdout]     |
[INFO] [stdout] 150 |     for attr in param.attrs.drain_filter(|attr| attr.path.is_ident("dynec")) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^ method not found in `Vec<Attribute>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec<Attribute>` in the current scope
[INFO] [stdout]    --> src/system/arg.rs:150:29
[INFO] [stdout]     |
[INFO] [stdout] 150 |     for attr in param.attrs.drain_filter(|attr| attr.path.is_ident("dynec")) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^ method not found in `Vec<Attribute>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for mutable reference `&mut Vec<Attribute>` in the current scope
[INFO] [stdout]    --> src/util.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 133 | /     attrs
[INFO] [stdout] 134 | |         .drain_filter(|attr| attr.path.is_ident("dynec"))
[INFO] [stdout]     | |         -^^^^^^^^^^^^ method not found in `&mut Vec<Attribute>`
[INFO] [stdout]     | |_________|
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `drain_filter` found for mutable reference `&mut Vec<Attribute>` in the current scope
[INFO] [stdout]    --> src/util.rs:134:10
[INFO] [stdout]     |
[INFO] [stdout] 133 | /     attrs
[INFO] [stdout] 134 | |         .drain_filter(|attr| attr.path.is_ident("dynec"))
[INFO] [stdout]     | |         -^^^^^^^^^^^^ method not found in `&mut Vec<Attribute>`
[INFO] [stdout]     | |_________|
[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: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynec-codegen` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dynec-codegen` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "269f4e63dbfb25bd8f0ef73dffdfc6d435a0a338ea96995f62f55f85d18562f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "269f4e63dbfb25bd8f0ef73dffdfc6d435a0a338ea96995f62f55f85d18562f9", kill_on_drop: false }`
[INFO] [stdout] 269f4e63dbfb25bd8f0ef73dffdfc6d435a0a338ea96995f62f55f85d18562f9
