[INFO] updating cached repository https://github.com/arcesino/mncalc
[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] 3ec367340f48f2c90a18b0f7966e99d1f05b7afe
[INFO] checking arcesino/mncalc against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcesino%2Fmncalc" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arcesino/mncalc on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/arcesino/mncalc
[INFO] finished tweaking git repo https://github.com/arcesino/mncalc
[INFO] tweaked toml for git repo https://github.com/arcesino/mncalc written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/arcesino/mncalc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a23c1f86c2a086649dc1642bf6b6ef1c68d5eb2dffe2032ffeb3dc93ed11f11b
[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" "a23c1f86c2a086649dc1642bf6b6ef1c68d5eb2dffe2032ffeb3dc93ed11f11b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]    Compiling heck v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking spectral v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking mncalc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/cli_tests.rs:6:61
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn command_help_shows_usage_and_options() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]   |                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli_tests.rs:19:48
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn run_with_short_eval_arg() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli_tests.rs:31:47
[INFO] [stderr]    |
[INFO] [stderr] 31 | fn run_with_long_eval_arg() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli_tests.rs:43:69
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn run_with_unparseable_expression_prints_error() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli_tests.rs:55:77
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn run_with_fraction_with_zero_denominator_prints_error() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli_tests.rs:67:57
[INFO] [stderr]    |
[INFO] [stderr] 67 | fn run_with_no_args_start_repl_mode() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli_tests.rs:82:50
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn run_repl_mode_with_errors() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.74s
[INFO] running `"docker" "inspect" "a23c1f86c2a086649dc1642bf6b6ef1c68d5eb2dffe2032ffeb3dc93ed11f11b"`
[INFO] running `"docker" "rm" "-f" "a23c1f86c2a086649dc1642bf6b6ef1c68d5eb2dffe2032ffeb3dc93ed11f11b"`
[INFO] [stdout] a23c1f86c2a086649dc1642bf6b6ef1c68d5eb2dffe2032ffeb3dc93ed11f11b