[INFO] crate crulz 0.0.2 is already in cache
[INFO] checking crulz-0.0.2 against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] extracting crate crulz 0.0.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate crulz 0.0.2 on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate crulz 0.0.2
[INFO] finished tweaking crates.io crate crulz 0.0.2
[INFO] tweaked toml for crates.io crate crulz 0.0.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate crulz 0.0.2 already has a lockfile, it will not be regenerated
[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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] a17b24b039caf4fecd609c0059e8178191eeabeec02de998c933f95041b535e4
[INFO] running `"docker" "start" "-a" "a17b24b039caf4fecd609c0059e8178191eeabeec02de998c933f95041b535e4"`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling siphasher v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.21
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.3
[INFO] [stderr]     Checking boolinator v2.4.0
[INFO] [stderr]     Checking codespan v0.5.0
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling delegate v0.3.0
[INFO] [stderr]     Checking readfilez v0.1.3
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking codespan-reporting v0.5.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling crulz v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr] warning: unused import: `convert::TryFrom`
[INFO] [stderr]    --> src/parser.rs:247:23
[INFO] [stderr]     |
[INFO] [stderr] 247 |             use std::{convert::TryFrom, str::FromStr};
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `convert::TryFrom`
[INFO] [stderr]    --> src/parser.rs:247:23
[INFO] [stderr]     |
[INFO] [stderr] 247 |             use std::{convert::TryFrom, str::FromStr};
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `comp_map`
[INFO] [stderr]   --> src/interp.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     comp_map: &'a CompilatesMap<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `comp_map`
[INFO] [stderr]   --> src/interp.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     comp_map: &'a CompilatesMap<'a>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut matches = clap::App::new("crulz")
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 |     let mut matches = clap::App::new("crulz")
[INFO] [stderr]    |         ----^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.92s
[INFO] running `"docker" "inspect" "a17b24b039caf4fecd609c0059e8178191eeabeec02de998c933f95041b535e4"`
[INFO] running `"docker" "rm" "-f" "a17b24b039caf4fecd609c0059e8178191eeabeec02de998c933f95041b535e4"`
[INFO] [stdout] a17b24b039caf4fecd609c0059e8178191eeabeec02de998c933f95041b535e4