[INFO] crate charmhelpers 0.1.3 is already in cache
[INFO] testing charmhelpers-0.1.3 against 1.44.0 for beta-1.45-1
[INFO] extracting crate charmhelpers 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate charmhelpers 0.1.3 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate charmhelpers 0.1.3
[INFO] finished tweaking crates.io crate charmhelpers 0.1.3
[INFO] tweaked toml for crates.io crate charmhelpers 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 289166a36406e824cd46374eca633255a33a60572cd661683c689b79b66ce9ab
[INFO] running `"docker" "start" "-a" "289166a36406e824cd46374eca633255a33a60572cd661683c689b79b66ce9ab"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling juju v0.3.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling charmhelpers v0.1.3
[INFO] [stderr]    Compiling rusqlite v0.14.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling juju v1.0.0
[INFO] [stderr]    Compiling charmhelpers v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/core/hookenv.rs:257:22
[INFO] [stderr]     |
[INFO] [stderr] 257 |         let output = try!(cmd.output());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/core/hookenv.rs:264:22
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let output = try!(cmd.output());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.64s
[INFO] running `"docker" "inspect" "289166a36406e824cd46374eca633255a33a60572cd661683c689b79b66ce9ab"`
[INFO] running `"docker" "rm" "-f" "289166a36406e824cd46374eca633255a33a60572cd661683c689b79b66ce9ab"`
[INFO] [stdout] 289166a36406e824cd46374eca633255a33a60572cd661683c689b79b66ce9ab
[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" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74aa8d0769b02c6dd64342d54ba03939e3c5d2acfc6447e40ad95d3904a50c2e
[INFO] running `"docker" "start" "-a" "74aa8d0769b02c6dd64342d54ba03939e3c5d2acfc6447e40ad95d3904a50c2e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling charmhelpers v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/core/hookenv.rs:257:22
[INFO] [stderr]     |
[INFO] [stderr] 257 |         let output = try!(cmd.output());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/core/hookenv.rs:264:22
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let output = try!(cmd.output());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `super::super::execution_environment`
[INFO] [stderr]    --> src/core/hookenv.rs:131:13
[INFO] [stderr]     |
[INFO] [stderr] 131 |         use super::super::execution_environment;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `execution_environment` in `core::hookenv`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/core/hookenv.rs:257:22
[INFO] [stderr]     |
[INFO] [stderr] 257 |         let output = try!(cmd.output());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/core/hookenv.rs:264:22
[INFO] [stderr]     |
[INFO] [stderr] 264 |         let output = try!(cmd.output());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env`
[INFO] [stderr]    --> src/core/hookenv.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |         use std::env;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `charmhelpers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "74aa8d0769b02c6dd64342d54ba03939e3c5d2acfc6447e40ad95d3904a50c2e"`
[INFO] running `"docker" "rm" "-f" "74aa8d0769b02c6dd64342d54ba03939e3c5d2acfc6447e40ad95d3904a50c2e"`
[INFO] [stdout] 74aa8d0769b02c6dd64342d54ba03939e3c5d2acfc6447e40ad95d3904a50c2e