[INFO] updating cached repository https://github.com/jamesmunns/naught
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed6901033b688555bb35332e49eea35afffb254f
[INFO] checking jamesmunns/naught against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesmunns%2Fnaught" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamesmunns/naught on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jamesmunns/naught
[INFO] finished tweaking git repo https://github.com/jamesmunns/naught
[INFO] tweaked toml for git repo https://github.com/jamesmunns/naught written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/jamesmunns/naught already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a07aa774a14daf72e07011664611fc27eeaf8f68412a2495c5198c5a357a2971
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a07aa774a14daf72e07011664611fc27eeaf8f68412a2495c5198c5a357a2971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a07aa774a14daf72e07011664611fc27eeaf8f68412a2495c5198c5a357a2971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07aa774a14daf72e07011664611fc27eeaf8f68412a2495c5198c5a357a2971", kill_on_drop: false }`
[INFO] [stdout] a07aa774a14daf72e07011664611fc27eeaf8f68412a2495c5198c5a357a2971
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da040881184fcccafa71b9faa0ac13dc4d813cc650f4da84f19bd5a936a8ce24
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da040881184fcccafa71b9faa0ac13dc4d813cc650f4da84f19bd5a936a8ce24", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]    Compiling cross v0.1.15-dev (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking rustc_version v0.2.2
[INFO] [stderr]     Checking backtrace-sys v0.1.23
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stdout] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/docker.rs:80:20
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let home_dir = env::home_dir().ok_or_else(|| "couldn't get home directory. Is $HOME not set?")?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/docker.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static! {
[INFO] [stdout] 17 | |     /// Retrieve the Docker Daemon version.
[INFO] [stdout] 18 | |     ///
[INFO] [stdout] 19 | |     /// # Panics
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |     };
[INFO] [stdout] 40 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/docker.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static! {
[INFO] [stdout] 17 | |     /// Retrieve the Docker Daemon version.
[INFO] [stdout] 18 | |     ///
[INFO] [stdout] 19 | |     /// # Panics
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |     };
[INFO] [stdout] 40 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/docker.rs:80:20
[INFO] [stdout]    |
[INFO] [stdout] 80 |     let home_dir = env::home_dir().ok_or_else(|| "couldn't get home directory. Is $HOME not set?")?;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/docker.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static! {
[INFO] [stdout] 17 | |     /// Retrieve the Docker Daemon version.
[INFO] [stdout] 18 | |     ///
[INFO] [stdout] 19 | |     /// # Panics
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |     };
[INFO] [stdout] 40 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/docker.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | / lazy_static! {
[INFO] [stdout] 17 | |     /// Retrieve the Docker Daemon version.
[INFO] [stdout] 18 | |     ///
[INFO] [stdout] 19 | |     /// # Panics
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |     };
[INFO] [stdout] 40 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "da040881184fcccafa71b9faa0ac13dc4d813cc650f4da84f19bd5a936a8ce24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da040881184fcccafa71b9faa0ac13dc4d813cc650f4da84f19bd5a936a8ce24", kill_on_drop: false }`
[INFO] [stdout] da040881184fcccafa71b9faa0ac13dc4d813cc650f4da84f19bd5a936a8ce24