[INFO] cloning repository https://github.com/tengrommel/trust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tengrommel/trust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengrommel%2Ftrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengrommel%2Ftrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7354ea84c0e12b280d0306f3fbfdc6144496a9b6
[INFO] testing tengrommel/trust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengrommel%2Ftrust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tengrommel/trust 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 git repo https://github.com/tengrommel/trust
[INFO] finished tweaking git repo https://github.com/tengrommel/trust
[INFO] tweaked toml for git repo https://github.com/tengrommel/trust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tengrommel/trust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23ee5050413de672d7a67b88f34c92f05deaa48bf064d332a531f0d72243e3c4
[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" "23ee5050413de672d7a67b88f34c92f05deaa48bf064d332a531f0d72243e3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23ee5050413de672d7a67b88f34c92f05deaa48bf064d332a531f0d72243e3c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23ee5050413de672d7a67b88f34c92f05deaa48bf064d332a531f0d72243e3c4", kill_on_drop: false }`
[INFO] [stdout] 23ee5050413de672d7a67b88f34c92f05deaa48bf064d332a531f0d72243e3c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e20a790fe11220a0f26ea2570cb20e75b73625bf30aa76de5a01df41b8ddc743
[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" "e20a790fe11220a0f26ea2570cb20e75b73625bf30aa76de5a01df41b8ddc743", kill_on_drop: false }`
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]    Compiling etherparse v0.9.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling trust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | /     loop {
[INFO] [stdout] 5  | |         let n_bytes = nic.recv(&mut buf[..])?;
[INFO] [stdout] 6  | |         let _eth_flags = u16::from_be_bytes([buf[0], buf[1]]); // Link layer protocol
[INFO] [stdout] 7  | |         let eth_proto = u16::from_be_bytes([buf[2], buf[3]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         }
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 41 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_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 23.66s
[INFO] running `Command { std: "docker" "inspect" "e20a790fe11220a0f26ea2570cb20e75b73625bf30aa76de5a01df41b8ddc743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20a790fe11220a0f26ea2570cb20e75b73625bf30aa76de5a01df41b8ddc743", kill_on_drop: false }`
[INFO] [stdout] e20a790fe11220a0f26ea2570cb20e75b73625bf30aa76de5a01df41b8ddc743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 2ef4ed77ed68e5439c1104117ccd726f043171a158c1235ed632581a5e7fdc65
[INFO] running `Command { std: "docker" "start" "-a" "2ef4ed77ed68e5439c1104117ccd726f043171a158c1235ed632581a5e7fdc65", kill_on_drop: false }`
[INFO] [stderr]    Compiling trust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | /     loop {
[INFO] [stdout] 5  | |         let n_bytes = nic.recv(&mut buf[..])?;
[INFO] [stdout] 6  | |         let _eth_flags = u16::from_be_bytes([buf[0], buf[1]]); // Link layer protocol
[INFO] [stdout] 7  | |         let eth_proto = u16::from_be_bytes([buf[2], buf[3]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 39 | |         }
[INFO] [stdout] 40 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 41 |       Ok(())
[INFO] [stdout]    |       ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ef4ed77ed68e5439c1104117ccd726f043171a158c1235ed632581a5e7fdc65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ef4ed77ed68e5439c1104117ccd726f043171a158c1235ed632581a5e7fdc65", kill_on_drop: false }`
[INFO] [stdout] 2ef4ed77ed68e5439c1104117ccd726f043171a158c1235ed632581a5e7fdc65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 422a683e49a73c3f33519b3d1963c13a287d8b2f7efefbcb01b23312a43fd559
[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" "422a683e49a73c3f33519b3d1963c13a287d8b2f7efefbcb01b23312a43fd559", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 4  | /     loop {
[INFO] [stdout] 
[INFO] [stderr] 5  | |         let n_bytes = nic.recv(&mut buf[..])?;
[INFO] [stderr] 6  | |         let _eth_flags = u16::from_be_bytes([buf[0], buf[1]]); // Link layer protocol
[INFO] [stderr] 7  | |         let eth_proto = u16::from_be_bytes([buf[2], buf[3]]);
[INFO] [stderr] ...  |
[INFO] [stderr] 39 | |         }
[INFO] [stderr] 40 | |     }
[INFO] [stderr]    | |_____- any code following this expression is unreachable
[INFO] [stderr] 41 |       Ok(())
[INFO] [stderr]    |       ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/trust-7a8a3decfdbbdfee
[INFO] running `Command { std: "docker" "inspect" "422a683e49a73c3f33519b3d1963c13a287d8b2f7efefbcb01b23312a43fd559", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "422a683e49a73c3f33519b3d1963c13a287d8b2f7efefbcb01b23312a43fd559", kill_on_drop: false }`
[INFO] [stdout] 422a683e49a73c3f33519b3d1963c13a287d8b2f7efefbcb01b23312a43fd559