[INFO] crate rsudo-rs_support 0.1.0 is already in cache
[INFO] testing rsudo-rs_support-0.1.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rsudo-rs_support 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rsudo-rs_support 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 rsudo-rs_support 0.1.0
[INFO] finished tweaking crates.io crate rsudo-rs_support 0.1.0
[INFO] tweaked toml for crates.io crate rsudo-rs_support 0.1.0 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] e7fc301d99695d01ad5e18b5ff856c479f3fff5782251026fadbbf27e1a209b9
[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" "e7fc301d99695d01ad5e18b5ff856c479f3fff5782251026fadbbf27e1a209b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7fc301d99695d01ad5e18b5ff856c479f3fff5782251026fadbbf27e1a209b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7fc301d99695d01ad5e18b5ff856c479f3fff5782251026fadbbf27e1a209b9", kill_on_drop: false }`
[INFO] [stdout] e7fc301d99695d01ad5e18b5ff856c479f3fff5782251026fadbbf27e1a209b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6853596cae36983d3a2bfff5df77a7103dd5e0784ebe2946251d96e40609da0
[INFO] running `Command { std: "docker" "start" "-a" "c6853596cae36983d3a2bfff5df77a7103dd5e0784ebe2946251d96e40609da0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsudo-rs_support v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `RsudoSocket`
[INFO] [stdout]  --> src/socket.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RsudoSocket {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/socket.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/socket.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/socket.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "c6853596cae36983d3a2bfff5df77a7103dd5e0784ebe2946251d96e40609da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6853596cae36983d3a2bfff5df77a7103dd5e0784ebe2946251d96e40609da0", kill_on_drop: false }`
[INFO] [stdout] c6853596cae36983d3a2bfff5df77a7103dd5e0784ebe2946251d96e40609da0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] b02b8218435a816d96aecfcf22a5d56f07e68340f722d0c6611607ddb58f8e86
[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" "b02b8218435a816d96aecfcf22a5d56f07e68340f722d0c6611607ddb58f8e86", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsudo-rs_support v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `RsudoSocket`
[INFO] [stdout]  --> src/socket.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RsudoSocket {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/socket.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/socket.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/socket.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `RsudoSocket`
[INFO] [stdout]  --> src/socket.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct RsudoSocket {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/socket.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/socket.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/socket.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "b02b8218435a816d96aecfcf22a5d56f07e68340f722d0c6611607ddb58f8e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02b8218435a816d96aecfcf22a5d56f07e68340f722d0c6611607ddb58f8e86", kill_on_drop: false }`
[INFO] [stdout] b02b8218435a816d96aecfcf22a5d56f07e68340f722d0c6611607ddb58f8e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 45e34b97d572ecc707c7c568c5e20889b191018c1912d2bd7efc0aa58ce724a5
[INFO] running `Command { std: "docker" "start" "-a" "45e34b97d572ecc707c7c568c5e20889b191018c1912d2bd7efc0aa58ce724a5", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `RsudoSocket`
[INFO] [stderr]  --> src/socket.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct RsudoSocket {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/socket.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/socket.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/socket.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `RsudoSocket`
[INFO] [stderr]  --> src/socket.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct RsudoSocket {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/socket.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/socket.rs:26:12
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `write`
[INFO] [stderr]   --> src/socket.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn write(&mut self, op: i32, payload: &str) -> Result<(), Error> {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rsudo_rs_support-e20e53da32972d7c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rsudo-rs_support
[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" "45e34b97d572ecc707c7c568c5e20889b191018c1912d2bd7efc0aa58ce724a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45e34b97d572ecc707c7c568c5e20889b191018c1912d2bd7efc0aa58ce724a5", kill_on_drop: false }`
[INFO] [stdout] 45e34b97d572ecc707c7c568c5e20889b191018c1912d2bd7efc0aa58ce724a5