[INFO] crate rsudo-rs_support 0.1.0 is already in cache
[INFO] testing rsudo-rs_support-0.1.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate rsudo-rs_support 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate rsudo-rs_support 0.1.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d14cdbc72a120149e1097193465333c29adf76262622eb908842c638fc0d7775
[INFO] running `"docker" "start" "-a" "d14cdbc72a120149e1097193465333c29adf76262622eb908842c638fc0d7775"`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rsudo-rs_support v0.1.0 (/opt/rustwide/workdir)
[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: method is never used: `new`
[INFO] [stderr]   --> src/socket.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/socket.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/socket.rs:67:5
[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 dev [unoptimized + debuginfo] target(s) in 2.34s
[INFO] running `"docker" "inspect" "d14cdbc72a120149e1097193465333c29adf76262622eb908842c638fc0d7775"`
[INFO] running `"docker" "rm" "-f" "d14cdbc72a120149e1097193465333c29adf76262622eb908842c638fc0d7775"`
[INFO] [stdout] d14cdbc72a120149e1097193465333c29adf76262622eb908842c638fc0d7775
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 552709a77fc4bee11ced57fb265f861783360e681b8a42a8e366eb17f65cf4b2
[INFO] running `"docker" "start" "-a" "552709a77fc4bee11ced57fb265f861783360e681b8a42a8e366eb17f65cf4b2"`
[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: method is never used: `new`
[INFO] [stderr]   --> src/socket.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/socket.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/socket.rs:67:5
[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]    Compiling rsudo-rs_support v0.1.0 (/opt/rustwide/workdir)
[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: method is never used: `new`
[INFO] [stderr]   --> src/socket.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/socket.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/socket.rs:67:5
[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 0.91s
[INFO] running `"docker" "inspect" "552709a77fc4bee11ced57fb265f861783360e681b8a42a8e366eb17f65cf4b2"`
[INFO] running `"docker" "rm" "-f" "552709a77fc4bee11ced57fb265f861783360e681b8a42a8e366eb17f65cf4b2"`
[INFO] [stdout] 552709a77fc4bee11ced57fb265f861783360e681b8a42a8e366eb17f65cf4b2
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c5b486d4ed239fbea0379951f21d38aeba11a50bbafe4c96e3309a7763d23c93
[INFO] running `"docker" "start" "-a" "c5b486d4ed239fbea0379951f21d38aeba11a50bbafe4c96e3309a7763d23c93"`
[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: method is never used: `new`
[INFO] [stderr]   --> src/socket.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/socket.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/socket.rs:67:5
[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: method is never used: `new`
[INFO] [stderr]   --> src/socket.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(path: &str) -> RsudoSocket {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/socket.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn read(&mut self) -> (i32, String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write`
[INFO] [stderr]   --> src/socket.rs:67:5
[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 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rsudo_rs_support-a3ff1b5c6b576802
[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 rsudo-rs_support
[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 `"docker" "inspect" "c5b486d4ed239fbea0379951f21d38aeba11a50bbafe4c96e3309a7763d23c93"`
[INFO] running `"docker" "rm" "-f" "c5b486d4ed239fbea0379951f21d38aeba11a50bbafe4c96e3309a7763d23c93"`
[INFO] [stdout] c5b486d4ed239fbea0379951f21d38aeba11a50bbafe4c96e3309a7763d23c93