[INFO] updating cached repository https://github.com/erochest/straw-boss
[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] e7eed4cb1b88978d9292396b622a40db78fc01a6
[INFO] testing erochest/straw-boss against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferochest%2Fstraw-boss" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/erochest/straw-boss on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/erochest/straw-boss
[INFO] finished tweaking git repo https://github.com/erochest/straw-boss
[INFO] tweaked toml for git repo https://github.com/erochest/straw-boss written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/erochest/straw-boss already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08e37f34494171ad7893bb9a3d7ea9f37f28beed30699802f0c18b22bbc3ef78
[INFO] running `"docker" "start" "-a" "08e37f34494171ad7893bb9a3d7ea9f37f28beed30699802f0c18b22bbc3ef78"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.6
[INFO] [stderr]    Compiling sysinfo v0.5.1
[INFO] [stderr]    Compiling daemonize v0.3.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling regex-syntax v0.5.3
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling shared_child v0.3.2
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling os_pipe v0.6.1
[INFO] [stderr]    Compiling duct v0.11.0
[INFO] [stderr]    Compiling shellwords v0.1.0
[INFO] [stderr]    Compiling serde_yaml v0.7.3
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling straw-boss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(try_from)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(plugin)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(option_replace)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
[INFO] [stderr]   --> src/service/mod.rs:87:34
[INFO] [stderr]    |
[INFO] [stderr] 87 |             .filter(|line| !line.trim_left().starts_with('#'))
[INFO] [stderr]    |                                  ^^^^^^^^^ help: replace the use of the deprecated item: `trim_start`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors; 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `straw-boss`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "08e37f34494171ad7893bb9a3d7ea9f37f28beed30699802f0c18b22bbc3ef78"`
[INFO] running `"docker" "rm" "-f" "08e37f34494171ad7893bb9a3d7ea9f37f28beed30699802f0c18b22bbc3ef78"`
[INFO] [stdout] 08e37f34494171ad7893bb9a3d7ea9f37f28beed30699802f0c18b22bbc3ef78