[INFO] fetching crate mrtreader 0.1.0...
[INFO] testing mrtreader-0.1.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate mrtreader 0.1.0 into /workspace/builds/worker-3-tc1/source
[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-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mrtreader 0.1.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcd775169a6222e7fcde1f89fd629fdd36d7ba54629ed2f1a19a3f6f86fece8f
[INFO] running `Command { std: "docker" "start" "-a" "bcd775169a6222e7fcde1f89fd629fdd36d7ba54629ed2f1a19a3f6f86fece8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcd775169a6222e7fcde1f89fd629fdd36d7ba54629ed2f1a19a3f6f86fece8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd775169a6222e7fcde1f89fd629fdd36d7ba54629ed2f1a19a3f6f86fece8f", kill_on_drop: false }`
[INFO] [stdout] bcd775169a6222e7fcde1f89fd629fdd36d7ba54629ed2f1a19a3f6f86fece8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fdbf8f97b961b1186250c2ba045bcfd07cd52b3a660a0227e39d048731c96cca
[INFO] running `Command { std: "docker" "start" "-a" "fdbf8f97b961b1186250c2ba045bcfd07cd52b3a660a0227e39d048731c96cca", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrtreader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MRTReader` is never constructed
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MRTHeader` is never constructed
[INFO] [stdout]   --> src/mrt.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct MRTHeader
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Record` is never used
[INFO] [stdout]   --> src/mrt.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Record
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read` is never used
[INFO] [stdout]   --> src/mrt.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl<T> MRTReader<T> where T: ReadBytesExt
[INFO] [stdout]    | ------------------------------------------ method in this implementation
[INFO] [stdout] 52 | {
[INFO] [stdout] 53 |     pub fn read(&mut self) -> Result<Record, Error>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "fdbf8f97b961b1186250c2ba045bcfd07cd52b3a660a0227e39d048731c96cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdbf8f97b961b1186250c2ba045bcfd07cd52b3a660a0227e39d048731c96cca", kill_on_drop: false }`
[INFO] [stdout] fdbf8f97b961b1186250c2ba045bcfd07cd52b3a660a0227e39d048731c96cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6ccbd5bc6ef23d85797c22e8c46b0649215d87da0fba3a395533fd6039ae994
[INFO] running `Command { std: "docker" "start" "-a" "a6ccbd5bc6ef23d85797c22e8c46b0649215d87da0fba3a395533fd6039ae994", kill_on_drop: false }`
[INFO] [stderr]    Compiling mrtreader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `MRTReader` is never constructed
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MRTHeader` is never constructed
[INFO] [stdout]   --> src/mrt.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct MRTHeader
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Record` is never used
[INFO] [stdout]   --> src/mrt.rs:38:10
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum Record
[INFO] [stdout]    |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `read` is never used
[INFO] [stdout]   --> src/mrt.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl<T> MRTReader<T> where T: ReadBytesExt
[INFO] [stdout]    | ------------------------------------------ method in this implementation
[INFO] [stdout] 52 | {
[INFO] [stdout] 53 |     pub fn read(&mut self) -> Result<Record, Error>
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "a6ccbd5bc6ef23d85797c22e8c46b0649215d87da0fba3a395533fd6039ae994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6ccbd5bc6ef23d85797c22e8c46b0649215d87da0fba3a395533fd6039ae994", kill_on_drop: false }`
[INFO] [stdout] a6ccbd5bc6ef23d85797c22e8c46b0649215d87da0fba3a395533fd6039ae994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e65c2e9c9242ffeb11ee0f0128ca78fb9882d3022b880e9aa37a9b5146b1ac5d
[INFO] running `Command { std: "docker" "start" "-a" "e65c2e9c9242ffeb11ee0f0128ca78fb9882d3022b880e9aa37a9b5146b1ac5d", kill_on_drop: false }`
[INFO] [stderr] warning: struct `MRTReader` is never constructed
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `MRTHeader` is never constructed
[INFO] [stderr]   --> src/mrt.rs:17:12
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct MRTHeader
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Record` is never used
[INFO] [stderr]   --> src/mrt.rs:38:10
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub enum Record
[INFO] [stderr]    |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `read` is never used
[INFO] [stderr]   --> src/mrt.rs:53:12
[INFO] [stderr]    |
[INFO] [stderr] 51 | impl<T> MRTReader<T> where T: ReadBytesExt
[INFO] [stderr]    | ------------------------------------------ method in this implementation
[INFO] [stderr] 52 | {
[INFO] [stderr] 53 |     pub fn read(&mut self) -> Result<Record, Error>
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `mrtreader` (lib) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mrtreader-b4370e5d1c7823e3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mrtreader
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e65c2e9c9242ffeb11ee0f0128ca78fb9882d3022b880e9aa37a9b5146b1ac5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65c2e9c9242ffeb11ee0f0128ca78fb9882d3022b880e9aa37a9b5146b1ac5d", kill_on_drop: false }`
[INFO] [stdout] e65c2e9c9242ffeb11ee0f0128ca78fb9882d3022b880e9aa37a9b5146b1ac5d
