[INFO] cloning repository https://github.com/mike-bourgeous/cliserver_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mike-bourgeous/cliserver_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike-bourgeous%2Fcliserver_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike-bourgeous%2Fcliserver_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 80b2a58bce5bd53e23fd452babc110bfc125fdf3
[INFO] checking mike-bourgeous/cliserver_rust against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmike-bourgeous%2Fcliserver_rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mike-bourgeous/cliserver_rust on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mike-bourgeous/cliserver_rust
[INFO] finished tweaking git repo https://github.com/mike-bourgeous/cliserver_rust
[INFO] tweaked toml for git repo https://github.com/mike-bourgeous/cliserver_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/mike-bourgeous/cliserver_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio v0.6.4
[INFO] [stderr]   Downloaded miow v0.2.0
[INFO] [stderr]   Downloaded net2 v0.2.26
[INFO] [stderr]   Downloaded tokio-proto v0.1.0
[INFO] [stderr]   Downloaded tokio-core v0.1.4
[INFO] [stderr]   Downloaded log v0.3.6
[INFO] [stderr]   Downloaded futures v0.1.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cba11bd131a004f2429ab7d1ed21befef6cdd01295b7f3fa3ee1b9ab07c7755c
[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" "cba11bd131a004f2429ab7d1ed21befef6cdd01295b7f3fa3ee1b9ab07c7755c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba11bd131a004f2429ab7d1ed21befef6cdd01295b7f3fa3ee1b9ab07c7755c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba11bd131a004f2429ab7d1ed21befef6cdd01295b7f3fa3ee1b9ab07c7755c", kill_on_drop: false }`
[INFO] [stdout] cba11bd131a004f2429ab7d1ed21befef6cdd01295b7f3fa3ee1b9ab07c7755c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 749dd919cc7072a8e23b403b54b29c79b3191a4112b276a591750fbd3c31bffa
[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" "749dd919cc7072a8e23b403b54b29c79b3191a4112b276a591750fbd3c31bffa", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking futures v0.1.9
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking mio v0.6.4
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.4
[INFO] [stderr]     Checking tokio-proto v0.1.0
[INFO] [stderr]     Checking cliserver_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:131:37
[INFO] [stdout]     |
[INFO] [stdout] 131 |     commands: BTreeMap<&'a str, &'a CliCommand>,
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn CliCommand`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:139:40
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn add_command(&mut self, cmd: &'a CliCommand) {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: use `dyn`: `dyn CliCommand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:131:37
[INFO] [stdout]     |
[INFO] [stdout] 131 |     commands: BTreeMap<&'a str, &'a CliCommand>,
[INFO] [stdout]     |                                     ^^^^^^^^^^ help: use `dyn`: `dyn CliCommand`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:139:40
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn add_command(&mut self, cmd: &'a CliCommand) {
[INFO] [stdout]     |                                        ^^^^^^^^^^ help: use `dyn`: `dyn CliCommand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.00s
[INFO] running `Command { std: "docker" "inspect" "749dd919cc7072a8e23b403b54b29c79b3191a4112b276a591750fbd3c31bffa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "749dd919cc7072a8e23b403b54b29c79b3191a4112b276a591750fbd3c31bffa", kill_on_drop: false }`
[INFO] [stdout] 749dd919cc7072a8e23b403b54b29c79b3191a4112b276a591750fbd3c31bffa