[INFO] crate rate-common 0.2.3 is already in cache
[INFO] checking rate-common-0.2.3 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate rate-common 0.2.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rate-common 0.2.3 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rate-common 0.2.3
[INFO] finished tweaking crates.io crate rate-common 0.2.3
[INFO] tweaked toml for crates.io crate rate-common 0.2.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d71ecd10405e64c3a794280824330aa29f8a77616fd2840344875367a594ed30
[INFO] running `"docker" "start" "-a" "d71ecd10405e64c3a794280824330aa29f8a77616fd2840344875367a594ed30"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]    Compiling zstd-sys v1.4.13+zstd.1.4.3
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling lzma-sys v0.1.15
[INFO] [stderr]    Compiling rate-macros v0.2.3
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]     Checking zstd-safe v1.4.13+zstd.1.4.3
[INFO] [stderr]     Checking zstd v0.4.28+zstd.1.4.3
[INFO] [stderr]     Checking rate-common v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]   --> src/memory.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use std::convert::TryFrom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryFrom`
[INFO] [stderr]  --> src/clause.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 |     convert::{TryFrom, TryInto},
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryInto`
[INFO] [stderr]  --> src/clause.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |     convert::{TryFrom, TryInto},
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `convert::TryFrom`
[INFO] [stderr]   --> src/clausedatabase.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     convert::TryFrom,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `convert::TryFrom`
[INFO] [stderr]  --> src/literal.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{convert::TryFrom, fmt, fmt::Display, ops};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `convert::TryInto`
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     convert::TryInto,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryFrom`
[INFO] [stderr]   --> src/memory.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use std::convert::TryFrom;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryFrom`
[INFO] [stderr]  --> src/clause.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 |     convert::{TryFrom, TryInto},
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TryInto`
[INFO] [stderr]  --> src/clause.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |     convert::{TryFrom, TryInto},
[INFO] [stderr]   |                        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `convert::TryFrom`
[INFO] [stderr]   --> src/clausedatabase.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     convert::TryFrom,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `convert::TryFrom`
[INFO] [stderr]  --> src/literal.rs:8:11
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::{convert::TryFrom, fmt, fmt::Display, ops};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `convert::TryInto`
[INFO] [stderr]   --> src/parser.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     convert::TryInto,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 39s
[INFO] running `"docker" "inspect" "d71ecd10405e64c3a794280824330aa29f8a77616fd2840344875367a594ed30"`
[INFO] running `"docker" "rm" "-f" "d71ecd10405e64c3a794280824330aa29f8a77616fd2840344875367a594ed30"`
[INFO] [stdout] d71ecd10405e64c3a794280824330aa29f8a77616fd2840344875367a594ed30