[INFO] fetching crate uclicious 0.1.5...
[INFO] checking uclicious-0.1.5 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate uclicious 0.1.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate uclicious 0.1.5 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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-12/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7679e1cf5c7dbab4e5917d74f9631dab546d2f08c4d0095d4830c7489465a9b
[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" "e7679e1cf5c7dbab4e5917d74f9631dab546d2f08c4d0095d4830c7489465a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7679e1cf5c7dbab4e5917d74f9631dab546d2f08c4d0095d4830c7489465a9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7679e1cf5c7dbab4e5917d74f9631dab546d2f08c4d0095d4830c7489465a9b", kill_on_drop: false }`
[INFO] [stdout] e7679e1cf5c7dbab4e5917d74f9631dab546d2f08c4d0095d4830c7489465a9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 014bca3b1575a613a999edcc7593782d5d8e23f9a5155c569e7952f6578ff0e3
[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" "014bca3b1575a613a999edcc7593782d5d8e23f9a5155c569e7952f6578ff0e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling bitflags v1.2.1
[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 45.04s
[INFO] running `Command { std: "docker" "inspect" "014bca3b1575a613a999edcc7593782d5d8e23f9a5155c569e7952f6578ff0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014bca3b1575a613a999edcc7593782d5d8e23f9a5155c569e7952f6578ff0e3", kill_on_drop: false }`
[INFO] [stdout] 014bca3b1575a613a999edcc7593782d5d8e23f9a5155c569e7952f6578ff0e3