[INFO] crate mrtreader 0.1.0 is already in cache
[INFO] testing mrtreader-0.1.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate mrtreader 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate mrtreader 0.1.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mrtreader 0.1.0
[INFO] finished tweaking crates.io crate mrtreader 0.1.0
[INFO] tweaked toml for crates.io crate mrtreader 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95af59cafbaf26bb20ca67cfdab76f9ff9099309af910a4f9408669a6169289a
[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" "95af59cafbaf26bb20ca67cfdab76f9ff9099309af910a4f9408669a6169289a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95af59cafbaf26bb20ca67cfdab76f9ff9099309af910a4f9408669a6169289a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95af59cafbaf26bb20ca67cfdab76f9ff9099309af910a4f9408669a6169289a", kill_on_drop: false }`
[INFO] [stdout] 95af59cafbaf26bb20ca67cfdab76f9ff9099309af910a4f9408669a6169289a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75debcef947600d1a475671bc9c8395d82b9ada10484b967451f7275ea8c6eb7
[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" "75debcef947600d1a475671bc9c8395d82b9ada10484b967451f7275ea8c6eb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrtreader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `MRTReader`
[INFO] [stdout]   --> src/mrt.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct MRTReader<T> where T: Read
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Record`
[INFO] [stdout]   --> src/mrt.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Record
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/mrt.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn read(&mut self) -> Result<Record, Error>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "75debcef947600d1a475671bc9c8395d82b9ada10484b967451f7275ea8c6eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75debcef947600d1a475671bc9c8395d82b9ada10484b967451f7275ea8c6eb7", kill_on_drop: false }`
[INFO] [stdout] 75debcef947600d1a475671bc9c8395d82b9ada10484b967451f7275ea8c6eb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c99ce9a2b98504a597eb042570b50c1fce0053e3d7683a8727e0c4b8d7fa9676
[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" "c99ce9a2b98504a597eb042570b50c1fce0053e3d7683a8727e0c4b8d7fa9676", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrtreader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `MRTReader`
[INFO] [stdout]   --> src/mrt.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct MRTReader<T> where T: Read
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Record`
[INFO] [stdout]   --> src/mrt.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Record
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/mrt.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn read(&mut self) -> Result<Record, Error>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "c99ce9a2b98504a597eb042570b50c1fce0053e3d7683a8727e0c4b8d7fa9676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99ce9a2b98504a597eb042570b50c1fce0053e3d7683a8727e0c4b8d7fa9676", kill_on_drop: false }`
[INFO] [stdout] c99ce9a2b98504a597eb042570b50c1fce0053e3d7683a8727e0c4b8d7fa9676
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e765c63b65995b42b72b361b3a53822b59a9b0569e002fecc39345af070f1dee
[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" "e765c63b65995b42b72b361b3a53822b59a9b0569e002fecc39345af070f1dee", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `MRTReader`
[INFO] [stderr]   --> src/mrt.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub struct MRTReader<T> where T: Read
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Record`
[INFO] [stderr]   --> src/mrt.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub enum Record
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `read`
[INFO] [stderr]   --> src/mrt.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 53 |     pub fn read(&mut self) -> Result<Record, Error>
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mrtreader-31e919e54f8e333b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests mrtreader
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "e765c63b65995b42b72b361b3a53822b59a9b0569e002fecc39345af070f1dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e765c63b65995b42b72b361b3a53822b59a9b0569e002fecc39345af070f1dee", kill_on_drop: false }`
[INFO] [stdout] e765c63b65995b42b72b361b3a53822b59a9b0569e002fecc39345af070f1dee