[INFO] updating cached repository https://github.com/mattgathu/duma
[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] 94d796affa0425b12aaf12b81cd7d68cc3059e25
[INFO] checking mattgathu/duma against master#914adf04af1c1a984707f778da3d04590c03d144 for pr-72331
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattgathu%2Fduma" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattgathu/duma on toolchain 914adf04af1c1a984707f778da3d04590c03d144
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mattgathu/duma
[INFO] finished tweaking git repo https://github.com/mattgathu/duma
[INFO] tweaked toml for git repo https://github.com/mattgathu/duma written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/mattgathu/duma already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-11/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+914adf04af1c1a984707f778da3d04590c03d144" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+914adf04af1c1a984707f778da3d04590c03d144" "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] 3a7c2be962837dfe9f0d9d16e720b99bb384e5789935a069598508bbb66911a5
[INFO] running `"docker" "start" "-a" "3a7c2be962837dfe9f0d9d16e720b99bb384e5789935a069598508bbb66911a5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazy_static v0.1.16
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.15
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking backtrace v0.3.48
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking number_prefix v0.2.8
[INFO] [stderr]     Checking float-cmp v0.6.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking predicates v1.0.4
[INFO] [stderr]     Checking console v0.7.7
[INFO] [stderr]     Checking indicatif v0.11.0
[INFO] [stderr]     Checking ignore v0.4.15
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking ftp v3.0.1
[INFO] [stderr]     Checking globwalk v0.5.0
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking assert_fs v0.11.3
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mrq v0.1.0
[INFO] [stderr]     Checking duma v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> tests/server.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> tests/server.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | static INIT: Once = ONCE_INIT;
[INFO] [stderr]    |                     ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]  --> tests/server.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::sync::{Once, ONCE_INIT};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> tests/server.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | static INIT: Once = ONCE_INIT;
[INFO] [stderr]    |                     ^^^^^^^^^ help: replace the use of the deprecated item: `Once::new()`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `"docker" "inspect" "3a7c2be962837dfe9f0d9d16e720b99bb384e5789935a069598508bbb66911a5"`
[INFO] running `"docker" "rm" "-f" "3a7c2be962837dfe9f0d9d16e720b99bb384e5789935a069598508bbb66911a5"`
[INFO] [stdout] 3a7c2be962837dfe9f0d9d16e720b99bb384e5789935a069598508bbb66911a5