[INFO] fetching crate ceethane 0.1.0...
[INFO] testing ceethane-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate ceethane 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ceethane 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ceethane 0.1.0
[INFO] finished tweaking crates.io crate ceethane 0.1.0
[INFO] tweaked toml for crates.io crate ceethane 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a7062dda8658edc7b22e09d9dc1f0ea4aeacc41209cd2570078fe4654e27b34
[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" "1a7062dda8658edc7b22e09d9dc1f0ea4aeacc41209cd2570078fe4654e27b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a7062dda8658edc7b22e09d9dc1f0ea4aeacc41209cd2570078fe4654e27b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a7062dda8658edc7b22e09d9dc1f0ea4aeacc41209cd2570078fe4654e27b34", kill_on_drop: false }`
[INFO] [stdout] 1a7062dda8658edc7b22e09d9dc1f0ea4aeacc41209cd2570078fe4654e27b34
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 440a7ffa069019c6ee81984d374b7289d8f8abc55d13d1249d6450ee932913dd
[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" "440a7ffa069019c6ee81984d374b7289d8f8abc55d13d1249d6450ee932913dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling ceethane v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]  --> src/macros.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! logf {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:80
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![deny(warnings, missing_debug_implementations, missing_copy_implementations, missing_docs)]
[INFO] [stdout]   |                                                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.39s
[INFO] running `Command { std: "docker" "inspect" "440a7ffa069019c6ee81984d374b7289d8f8abc55d13d1249d6450ee932913dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "440a7ffa069019c6ee81984d374b7289d8f8abc55d13d1249d6450ee932913dd", kill_on_drop: false }`
[INFO] [stdout] 440a7ffa069019c6ee81984d374b7289d8f8abc55d13d1249d6450ee932913dd
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 880a2ffd4a71eb3978793affa1c927c1bbe7c373559bf7e8fa74f5fb52424318
[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" "880a2ffd4a71eb3978793affa1c927c1bbe7c373559bf7e8fa74f5fb52424318", kill_on_drop: false }`
[INFO] [stdout] warning: missing documentation for macro
[INFO] [stdout]  --> src/macros.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! logf {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:80
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![deny(warnings, missing_debug_implementations, missing_copy_implementations, missing_docs)]
[INFO] [stdout]   |                                                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ceethane v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> examples/fake_web_app.rs:83:5
[INFO] [stdout]    |
[INFO] [stdout] 83 |     WebServer::new(ll).put_score(32, 32);
[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: missing documentation for macro
[INFO] [stdout]  --> src/macros.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! logf {
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:4:80
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![deny(warnings, missing_debug_implementations, missing_copy_implementations, missing_docs)]
[INFO] [stdout]   |                                                                                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "880a2ffd4a71eb3978793affa1c927c1bbe7c373559bf7e8fa74f5fb52424318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "880a2ffd4a71eb3978793affa1c927c1bbe7c373559bf7e8fa74f5fb52424318", kill_on_drop: false }`
[INFO] [stdout] 880a2ffd4a71eb3978793affa1c927c1bbe7c373559bf7e8fa74f5fb52424318
[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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e6f6aa1e37f36ccaf061f2adb0a531ff88831bc9aae7b8bd850e40492b5f82b5
[INFO] running `Command { std: "docker" "start" "-a" "e6f6aa1e37f36ccaf061f2adb0a531ff88831bc9aae7b8bd850e40492b5f82b5", kill_on_drop: false }`
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]  --> src/macros.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | macro_rules! logf {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:4:80
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![deny(warnings, missing_debug_implementations, missing_copy_implementations, missing_docs)]
[INFO] [stderr]   |                                                                                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for macro
[INFO] [stderr]  --> src/macros.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | macro_rules! logf {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]  --> src/lib.rs:4:80
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![deny(warnings, missing_debug_implementations, missing_copy_implementations, missing_docs)]
[INFO] [stderr]   |                                                                                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> examples/fake_web_app.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     WebServer::new(ll).put_score(32, 32);
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ceethane-9d7314ffde4f3394
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests ceethane
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "e6f6aa1e37f36ccaf061f2adb0a531ff88831bc9aae7b8bd850e40492b5f82b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f6aa1e37f36ccaf061f2adb0a531ff88831bc9aae7b8bd850e40492b5f82b5", kill_on_drop: false }`
[INFO] [stdout] e6f6aa1e37f36ccaf061f2adb0a531ff88831bc9aae7b8bd850e40492b5f82b5