[INFO] updating cached repository https://github.com/nsdavidson/rust-hello-world [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] 465f5dabb6f6cfbb9a8785b1b5e76f8b4a78da29 [INFO] testing nsdavidson/rust-hello-world against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnsdavidson%2Frust-hello-world" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nsdavidson/rust-hello-world on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nsdavidson/rust-hello-world [INFO] finished tweaking git repo https://github.com/nsdavidson/rust-hello-world [INFO] tweaked toml for git repo https://github.com/nsdavidson/rust-hello-world written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/nsdavidson/rust-hello-world already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-2/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 93a7ac8b0d3a8c4e61be981d33b2e909c1cdb5b0ca76e7314067d9208c0860d0 [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" "93a7ac8b0d3a8c4e61be981d33b2e909c1cdb5b0ca76e7314067d9208c0860d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "93a7ac8b0d3a8c4e61be981d33b2e909c1cdb5b0ca76e7314067d9208c0860d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93a7ac8b0d3a8c4e61be981d33b2e909c1cdb5b0ca76e7314067d9208c0860d0", kill_on_drop: false }` [INFO] [stdout] 93a7ac8b0d3a8c4e61be981d33b2e909c1cdb5b0ca76e7314067d9208c0860d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9076e37bcd36fd203381d4716864ea208df4517f21777c4eec575bb39d708b4 [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" "f9076e37bcd36fd203381d4716864ea208df4517f21777c4eec575bb39d708b4", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling traitobject v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling typeable v0.1.2 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling modifier v0.1.0 [INFO] [stderr] Compiling groupable v0.2.0 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling sha1 v0.1.1 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling plugin v0.2.6 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling mustache v0.9.0 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling hyper v0.10.16 [INFO] [stderr] Compiling redis v0.5.4 [INFO] [stderr] Compiling toml v0.1.30 [INFO] [stderr] Compiling nickel v0.11.0 [INFO] [stderr] Compiling rust-hello-world v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/main.rs:48:18 [INFO] [stdout] | [INFO] [stdout] 48 | let client = try!(redis::Client::open(&*conn_string)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/main.rs:49:16 [INFO] [stdout] | [INFO] [stdout] 49 | let conn = try!(client.get_connection()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let node = increment_count(redis_host.as_str().unwrap().to_string(), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | server.listen(&*server_string); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.60s [INFO] running `Command { std: "docker" "inspect" "f9076e37bcd36fd203381d4716864ea208df4517f21777c4eec575bb39d708b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9076e37bcd36fd203381d4716864ea208df4517f21777c4eec575bb39d708b4", kill_on_drop: false }` [INFO] [stdout] f9076e37bcd36fd203381d4716864ea208df4517f21777c4eec575bb39d708b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4b64902022d0a46d007afc33adda961b9895c9c88f8c35798f7c76aaef0e4ca [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" "f4b64902022d0a46d007afc33adda961b9895c9c88f8c35798f7c76aaef0e4ca", kill_on_drop: false }` [INFO] [stderr] Compiling rust-hello-world v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/main.rs:48:18 [INFO] [stdout] | [INFO] [stdout] 48 | let client = try!(redis::Client::open(&*conn_string)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stdout] --> src/main.rs:49:16 [INFO] [stdout] | [INFO] [stdout] 49 | let conn = try!(client.get_connection()); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | let node = increment_count(redis_host.as_str().unwrap().to_string(), [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | server.listen(&*server_string); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `Command { std: "docker" "inspect" "f4b64902022d0a46d007afc33adda961b9895c9c88f8c35798f7c76aaef0e4ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4b64902022d0a46d007afc33adda961b9895c9c88f8c35798f7c76aaef0e4ca", kill_on_drop: false }` [INFO] [stdout] f4b64902022d0a46d007afc33adda961b9895c9c88f8c35798f7c76aaef0e4ca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 00ae5bee9bc00768f3374bf01f8f5de5156d28ed173efdf99400a938e090e532 [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" "00ae5bee9bc00768f3374bf01f8f5de5156d28ed173efdf99400a938e090e532", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead [INFO] [stderr] --> src/main.rs:48:18 [INFO] [stderr] | [INFO] [stderr] 48 | let client = try!(redis::Client::open(&*conn_string)); [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/main.rs:49:16 [INFO] [stderr] | [INFO] [stderr] 49 | let conn = try!(client.get_connection()); [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `node` [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | let node = increment_count(redis_host.as_str().unwrap().to_string(), [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | server.listen(&*server_string); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rust_hello_world-f1de39d7f8ccb832 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "00ae5bee9bc00768f3374bf01f8f5de5156d28ed173efdf99400a938e090e532", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00ae5bee9bc00768f3374bf01f8f5de5156d28ed173efdf99400a938e090e532", kill_on_drop: false }` [INFO] [stdout] 00ae5bee9bc00768f3374bf01f8f5de5156d28ed173efdf99400a938e090e532