[INFO] crate crte 0.1.0 is already in cache
[INFO] testing crte-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate crte 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate crte 0.1.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crte 0.1.0
[INFO] finished tweaking crates.io crate crte 0.1.0
[INFO] tweaked toml for crates.io crate crte 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c9b553f3643abc0dc331d3079d2dff75438da1ccca6106c15a2404fa77ce689
[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" "1c9b553f3643abc0dc331d3079d2dff75438da1ccca6106c15a2404fa77ce689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c9b553f3643abc0dc331d3079d2dff75438da1ccca6106c15a2404fa77ce689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c9b553f3643abc0dc331d3079d2dff75438da1ccca6106c15a2404fa77ce689", kill_on_drop: false }`
[INFO] [stdout] 1c9b553f3643abc0dc331d3079d2dff75438da1ccca6106c15a2404fa77ce689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec73214f3141834e8623587bbb5ec802e5cd270fd63964f60e2a19c94c4ba110
[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" "ec73214f3141834e8623587bbb5ec802e5cd270fd63964f60e2a19c94c4ba110", kill_on_drop: false }`
[INFO] [stderr]    Compiling crte v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/lib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 |  pub fn sqrt (x: u32 ) -> u32
[INFO] [stdout]   |               ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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 0.22s
[INFO] running `Command { std: "docker" "inspect" "ec73214f3141834e8623587bbb5ec802e5cd270fd63964f60e2a19c94c4ba110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec73214f3141834e8623587bbb5ec802e5cd270fd63964f60e2a19c94c4ba110", kill_on_drop: false }`
[INFO] [stdout] ec73214f3141834e8623587bbb5ec802e5cd270fd63964f60e2a19c94c4ba110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-07-24" "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] f63bed14dd08c5f87aa2455ef9e6c2c8cf15b43d20728220790f0aaf94599f5c
[INFO] running `Command { std: "docker" "start" "-a" "f63bed14dd08c5f87aa2455ef9e6c2c8cf15b43d20728220790f0aaf94599f5c", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/lib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 |  pub fn sqrt (x: u32 ) -> u32
[INFO] [stdout]   |               ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crte v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/lib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 |  pub fn sqrt (x: u32 ) -> u32
[INFO] [stdout]   |               ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` 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 0.63s
[INFO] running `Command { std: "docker" "inspect" "f63bed14dd08c5f87aa2455ef9e6c2c8cf15b43d20728220790f0aaf94599f5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f63bed14dd08c5f87aa2455ef9e6c2c8cf15b43d20728220790f0aaf94599f5c", kill_on_drop: false }`
[INFO] [stdout] f63bed14dd08c5f87aa2455ef9e6c2c8cf15b43d20728220790f0aaf94599f5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3064972542cea5573ebd4c959cfa0993d2090c38eab406aa28662278966fa755
[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" "3064972542cea5573ebd4c959cfa0993d2090c38eab406aa28662278966fa755", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/lib.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 |  pub fn sqrt (x: u32 ) -> u32
[INFO] [stderr]   |               ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]  --> src/lib.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 |  pub fn sqrt (x: u32 ) -> u32
[INFO] [stderr]   |               ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/crte-95adce3e1e224bce
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crte
[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] [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" "3064972542cea5573ebd4c959cfa0993d2090c38eab406aa28662278966fa755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3064972542cea5573ebd4c959cfa0993d2090c38eab406aa28662278966fa755", kill_on_drop: false }`
[INFO] [stdout] 3064972542cea5573ebd4c959cfa0993d2090c38eab406aa28662278966fa755