[INFO] fetching crate uclicious 0.1.5...
[INFO] checking uclicious-0.1.5 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate uclicious 0.1.5 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate uclicious 0.1.5 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate uclicious 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate uclicious 0.1.5
[INFO] tweaked toml for crates.io crate uclicious 0.1.5 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate uclicious 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uclicious_derive v0.1.5
[INFO] [stderr]   Downloaded uclicious-libucl-sys v0.8.2-alpha.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1acb127ceea5f4dc1609a9c59a87807f42df0f5a83bc35a77e6c64a615de190e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1acb127ceea5f4dc1609a9c59a87807f42df0f5a83bc35a77e6c64a615de190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1acb127ceea5f4dc1609a9c59a87807f42df0f5a83bc35a77e6c64a615de190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1acb127ceea5f4dc1609a9c59a87807f42df0f5a83bc35a77e6c64a615de190e", kill_on_drop: false }`
[INFO] [stdout] 1acb127ceea5f4dc1609a9c59a87807f42df0f5a83bc35a77e6c64a615de190e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f25fd7003ca3a528b32ec2ccca0b1f7c415fae3b21f6f82ed3e3f8cdec3672e4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f25fd7003ca3a528b32ec2ccca0b1f7c415fae3b21f6f82ed3e3f8cdec3672e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling uclicious-libucl-sys v0.8.2-alpha.2
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling uclicious_derive v0.1.5
[INFO] [stderr]     Checking uclicious v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/variable_handlers/env.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::traits::VariableHandler`
[INFO] [stdout]   --> src/variable_handlers/env.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use crate::traits::VariableHandler;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `DEFAULT_DUPLICATE_STRATEGY`, `Parser`, `Priority`
[INFO] [stdout]   --> src/variable_handlers/env.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |     use crate::{Parser, Priority, DEFAULT_DUPLICATE_STRATEGY};
[INFO] [stdout]    |                 ^^^^^^  ^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.19s
[INFO] running `Command { std: "docker" "inspect" "f25fd7003ca3a528b32ec2ccca0b1f7c415fae3b21f6f82ed3e3f8cdec3672e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f25fd7003ca3a528b32ec2ccca0b1f7c415fae3b21f6f82ed3e3f8cdec3672e4", kill_on_drop: false }`
[INFO] [stdout] f25fd7003ca3a528b32ec2ccca0b1f7c415fae3b21f6f82ed3e3f8cdec3672e4