[INFO] fetching crate conniecs-derive 0.2.0...
[INFO] checking conniecs-derive-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate conniecs-derive 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate conniecs-derive 0.2.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conniecs-derive 0.2.0
[INFO] finished tweaking crates.io crate conniecs-derive 0.2.0
[INFO] tweaked toml for crates.io crate conniecs-derive 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fbe46cc5e757283e065d9e90e7d270934dcd032f33bdbcff148a3b69e266a43
[INFO] running `Command { std: "docker" "start" "-a" "2fbe46cc5e757283e065d9e90e7d270934dcd032f33bdbcff148a3b69e266a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fbe46cc5e757283e065d9e90e7d270934dcd032f33bdbcff148a3b69e266a43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fbe46cc5e757283e065d9e90e7d270934dcd032f33bdbcff148a3b69e266a43", kill_on_drop: false }`
[INFO] [stdout] 2fbe46cc5e757283e065d9e90e7d270934dcd032f33bdbcff148a3b69e266a43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bd5d4e93be5cd1b3d7ed25ec37f0979f654b51c24bb9052c3657f16f4524ba4
[INFO] running `Command { std: "docker" "start" "-a" "0bd5d4e93be5cd1b3d7ed25ec37f0979f654b51c24bb9052c3657f16f4524ba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking conniecs-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/services.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/system.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{self, Attribute, Ident, Lit, Meta, MetaNameValue, NestedMeta};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/systems.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn::{self, Attribute, Data, Fields};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/services.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/system.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{self, Attribute, Ident, Lit, Meta, MetaNameValue, NestedMeta};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/systems.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn::{self, Attribute, Data, Fields};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "0bd5d4e93be5cd1b3d7ed25ec37f0979f654b51c24bb9052c3657f16f4524ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bd5d4e93be5cd1b3d7ed25ec37f0979f654b51c24bb9052c3657f16f4524ba4", kill_on_drop: false }`
[INFO] [stdout] 0bd5d4e93be5cd1b3d7ed25ec37f0979f654b51c24bb9052c3657f16f4524ba4
[INFO] checking conniecs-derive-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate conniecs-derive 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate conniecs-derive 0.2.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate conniecs-derive 0.2.0
[INFO] finished tweaking crates.io crate conniecs-derive 0.2.0
[INFO] tweaked toml for crates.io crate conniecs-derive 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc7515f87cc9fc86e3498c460622be6a17cd1aa0a0d4115894c906ae930f72e2
[INFO] running `Command { std: "docker" "start" "-a" "cc7515f87cc9fc86e3498c460622be6a17cd1aa0a0d4115894c906ae930f72e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc7515f87cc9fc86e3498c460622be6a17cd1aa0a0d4115894c906ae930f72e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc7515f87cc9fc86e3498c460622be6a17cd1aa0a0d4115894c906ae930f72e2", kill_on_drop: false }`
[INFO] [stdout] cc7515f87cc9fc86e3498c460622be6a17cd1aa0a0d4115894c906ae930f72e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c10499e7f6fb1820da6d67b7b88ba6418dcabbf4d20863406a7415d5fb2153c
[INFO] running `Command { std: "docker" "start" "-a" "3c10499e7f6fb1820da6d67b7b88ba6418dcabbf4d20863406a7415d5fb2153c", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking conniecs-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/services.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/system.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{self, Attribute, Ident, Lit, Meta, MetaNameValue, NestedMeta};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/systems.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn::{self, Attribute, Data, Fields};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/services.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/system.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::{self, Attribute, Ident, Lit, Meta, MetaNameValue, NestedMeta};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `syn` is imported redundantly
[INFO] [stdout]  --> src/systems.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use syn::{self, Attribute, Data, Fields};
[INFO] [stdout]   |           ^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | extern crate syn;
[INFO] [stdout]   | ----------------- the item `syn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/system.rs:312:26
[INFO] [stdout]     |
[INFO] [stdout] 312 |     time.parse().map_err(|_| improper_interval_fmt()).unwrap()
[INFO] [stdout]     |                          ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 312 |     time.parse().map_err(|_| -> /* Type */ { improper_interval_fmt() }).unwrap()
[INFO] [stdout]     |                              +++++++++++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/system.rs:312:26
[INFO] [stdout]     |
[INFO] [stdout] 312 |     time.parse().map_err(|_| improper_interval_fmt()).unwrap()
[INFO] [stdout]     |                          ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: try giving this closure an explicit return type
[INFO] [stdout]     |
[INFO] [stdout] 312 |     time.parse().map_err(|_| -> /* Type */ { improper_interval_fmt() }).unwrap()
[INFO] [stdout]     |                              +++++++++++++++                         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conniecs-derive` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conniecs-derive` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3c10499e7f6fb1820da6d67b7b88ba6418dcabbf4d20863406a7415d5fb2153c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c10499e7f6fb1820da6d67b7b88ba6418dcabbf4d20863406a7415d5fb2153c", kill_on_drop: false }`
[INFO] [stdout] 3c10499e7f6fb1820da6d67b7b88ba6418dcabbf4d20863406a7415d5fb2153c