[INFO] crate railgun 0.1.2 is already in cache
[INFO] testing railgun-0.1.2 against 1.45.2 for beta-1.46-1
[INFO] extracting crate railgun 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate railgun 0.1.2 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate railgun 0.1.2
[INFO] finished tweaking crates.io crate railgun 0.1.2
[INFO] tweaked toml for crates.io crate railgun 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94aa5e42f9777add1f3b4a80a17237e7a77890e404f843ed4dc000524cf4e080
[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" "94aa5e42f9777add1f3b4a80a17237e7a77890e404f843ed4dc000524cf4e080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94aa5e42f9777add1f3b4a80a17237e7a77890e404f843ed4dc000524cf4e080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94aa5e42f9777add1f3b4a80a17237e7a77890e404f843ed4dc000524cf4e080", kill_on_drop: false }`
[INFO] [stdout] 94aa5e42f9777add1f3b4a80a17237e7a77890e404f843ed4dc000524cf4e080
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1834c2cc6349f5a21f8ef0518819dacca01cf76b66bca1e3dc08fdfe7efa5e9
[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" "f1834c2cc6349f5a21f8ef0518819dacca01cf76b66bca1e3dc08fdfe7efa5e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.7
[INFO] [stderr]    Compiling railgun v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/client.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     state: State,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.81s
[INFO] running `Command { std: "docker" "inspect" "f1834c2cc6349f5a21f8ef0518819dacca01cf76b66bca1e3dc08fdfe7efa5e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1834c2cc6349f5a21f8ef0518819dacca01cf76b66bca1e3dc08fdfe7efa5e9", kill_on_drop: false }`
[INFO] [stdout] f1834c2cc6349f5a21f8ef0518819dacca01cf76b66bca1e3dc08fdfe7efa5e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2422aaa6eb51988da728ec25ff4640afccf70aef6de15f7194eef41bcfce6412
[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" "2422aaa6eb51988da728ec25ff4640afccf70aef6de15f7194eef41bcfce6412", kill_on_drop: false }`
[INFO] [stderr]    Compiling railgun v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/client.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     state: State,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]   --> src/client.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     state: State,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.56s
[INFO] running `Command { std: "docker" "inspect" "2422aaa6eb51988da728ec25ff4640afccf70aef6de15f7194eef41bcfce6412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2422aaa6eb51988da728ec25ff4640afccf70aef6de15f7194eef41bcfce6412", kill_on_drop: false }`
[INFO] [stdout] 2422aaa6eb51988da728ec25ff4640afccf70aef6de15f7194eef41bcfce6412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c50a7d0ee5aa40852f55956bd7a11182ce597f820d20f322301e9bca5fb44146
[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" "c50a7d0ee5aa40852f55956bd7a11182ce597f820d20f322301e9bca5fb44146", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `state`
[INFO] [stderr]   --> src/client.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     state: State,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `state`
[INFO] [stderr]   --> src/client.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     state: State,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/railgun-dfbf45e3d1945c80
[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] [stderr]    Doc-tests railgun
[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" "c50a7d0ee5aa40852f55956bd7a11182ce597f820d20f322301e9bca5fb44146", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c50a7d0ee5aa40852f55956bd7a11182ce597f820d20f322301e9bca5fb44146", kill_on_drop: false }`
[INFO] [stdout] c50a7d0ee5aa40852f55956bd7a11182ce597f820d20f322301e9bca5fb44146