[INFO] updating cached repository https://github.com/sidmani/t5e
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36daf76ae513914abcf7d0e087d0cedc9c960b2c
[INFO] checking sidmani/t5e against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsidmani%2Ft5e" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sidmani/t5e on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sidmani/t5e
[INFO] finished tweaking git repo https://github.com/sidmani/t5e
[INFO] tweaked toml for git repo https://github.com/sidmani/t5e written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/sidmani/t5e already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a892ff09186801513a68f054414f886e630682485ffbca9b46d6dae9f60adbd5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a892ff09186801513a68f054414f886e630682485ffbca9b46d6dae9f60adbd5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking t5e v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr] warning: variable `constant_prod` is assigned to, but never used
[INFO] [stderr]  --> src/simplify/product.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut constant_prod = 1;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]   = note: consider using `_constant_prod` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/simplify/product.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Power(len, h) => {
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/simplify/product.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Sum(len, h) => {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/simplify/product.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Product(len, h) => {
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `make_sum`
[INFO] [stderr]   --> src/term.rs:63:8
[INFO] [stderr]    |
[INFO] [stderr] 63 | pub fn make_sum(expr: &Expr, idx: usize) -> Term {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking bstr v0.2.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stderr] warning: variable `constant_prod` is assigned to, but never used
[INFO] [stderr]  --> src/simplify/product.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut constant_prod = 1;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr]   = note: consider using `_constant_prod` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/simplify/product.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 |             Power(len, h) => {
[INFO] [stderr]    |                        ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/simplify/product.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |             Sum(len, h) => {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `h`
[INFO] [stderr]   --> src/simplify/product.rs:31:26
[INFO] [stderr]    |
[INFO] [stderr] 31 |             Product(len, h) => {
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_h`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `black_box`
[INFO] [stderr]  --> benches/test_benchmark.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | use criterion::{black_box, criterion_group, criterion_main, Criterion};
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stderr]  --> benches/test_benchmark.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |         Term::Power(0),
[INFO] [stderr]   |         ^^^^^^^^^^^ - supplied 1 argument
[INFO] [stderr]   |         |
[INFO] [stderr]   |         expected 2 arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 2 arguments but 1 argument was supplied
[INFO] [stderr]  --> benches/test_benchmark.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |             Term::Power(0),
[INFO] [stderr]   |             ^^^^^^^^^^^ - supplied 1 argument
[INFO] [stderr]   |             |
[INFO] [stderr]   |             expected 2 arguments
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0061`.
[INFO] [stderr] error: could not compile `t5e`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "a892ff09186801513a68f054414f886e630682485ffbca9b46d6dae9f60adbd5"`
[INFO] running `"docker" "rm" "-f" "a892ff09186801513a68f054414f886e630682485ffbca9b46d6dae9f60adbd5"`
[INFO] [stdout] a892ff09186801513a68f054414f886e630682485ffbca9b46d6dae9f60adbd5