[INFO] fetching crate typewriter 0.1.0...
[INFO] testing typewriter-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate typewriter 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate typewriter 0.1.0
[INFO] finished tweaking crates.io crate typewriter 0.1.0
[INFO] tweaked toml for crates.io crate typewriter 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate typewriter 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 666e4a06ed784f1920f222ed7cf0bb06e6fd470da85d8e768690c538d5f777bf
[INFO] running `Command { std: "docker" "start" "-a" "666e4a06ed784f1920f222ed7cf0bb06e6fd470da85d8e768690c538d5f777bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "666e4a06ed784f1920f222ed7cf0bb06e6fd470da85d8e768690c538d5f777bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "666e4a06ed784f1920f222ed7cf0bb06e6fd470da85d8e768690c538d5f777bf", kill_on_drop: false }`
[INFO] [stdout] 666e4a06ed784f1920f222ed7cf0bb06e6fd470da85d8e768690c538d5f777bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25885c4418647e7b107ad9ebcfecb3cbb3efd5cecae78d2311264fd4af541478
[INFO] running `Command { std: "docker" "start" "-a" "25885c4418647e7b107ad9ebcfecb3cbb3efd5cecae78d2311264fd4af541478", kill_on_drop: false }`
[INFO] [stderr]    Compiling typewriter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `cols` is never read
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Scanner {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 2 |     bytes: Vec<u8>,
[INFO] [stdout] 3 |     cols: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Scanner {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 8 |     fn new(bytes: Vec<u8>, cols: usize, rows: usize) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bytes` is never read
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct ScannerBuilder {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 36 |     bytes: Option<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "25885c4418647e7b107ad9ebcfecb3cbb3efd5cecae78d2311264fd4af541478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25885c4418647e7b107ad9ebcfecb3cbb3efd5cecae78d2311264fd4af541478", kill_on_drop: false }`
[INFO] [stdout] 25885c4418647e7b107ad9ebcfecb3cbb3efd5cecae78d2311264fd4af541478
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 463daa98fb7ec8d83b4920e05787532e9dc4ad3a06df5fa6309dc0cc730f2c66
[INFO] running `Command { std: "docker" "start" "-a" "463daa98fb7ec8d83b4920e05787532e9dc4ad3a06df5fa6309dc0cc730f2c66", kill_on_drop: false }`
[INFO] [stderr]    Compiling typewriter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `cols` is never read
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Scanner {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 2 |     bytes: Vec<u8>,
[INFO] [stdout] 3 |     cols: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Scanner {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 8 |     fn new(bytes: Vec<u8>, cols: usize, rows: usize) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bytes` is never read
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct ScannerBuilder {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 36 |     bytes: Option<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cols` is never read
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Scanner {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 2 |     bytes: Vec<u8>,
[INFO] [stdout] 3 |     cols: usize,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/lib.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl Scanner {
[INFO] [stdout]   | ------------ associated function in this implementation
[INFO] [stdout] 8 |     fn new(bytes: Vec<u8>, cols: usize, rows: usize) -> Self {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `bytes` is never read
[INFO] [stdout]   --> src/lib.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct ScannerBuilder {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 36 |     bytes: Option<Vec<u8>>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "463daa98fb7ec8d83b4920e05787532e9dc4ad3a06df5fa6309dc0cc730f2c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "463daa98fb7ec8d83b4920e05787532e9dc4ad3a06df5fa6309dc0cc730f2c66", kill_on_drop: false }`
[INFO] [stdout] 463daa98fb7ec8d83b4920e05787532e9dc4ad3a06df5fa6309dc0cc730f2c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 71fbd5cf52fcf1c4ca1bcdaceda1d2bb2347a856c2f83c1cd867bfa65153d1cf
[INFO] running `Command { std: "docker" "start" "-a" "71fbd5cf52fcf1c4ca1bcdaceda1d2bb2347a856c2f83c1cd867bfa65153d1cf", kill_on_drop: false }`
[INFO] [stderr] warning: field `cols` is never read
[INFO] [stderr]  --> src/lib.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct Scanner {
[INFO] [stderr]   |            ------- field in this struct
[INFO] [stderr] 2 |     bytes: Vec<u8>,
[INFO] [stderr] 3 |     cols: usize,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/lib.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | impl Scanner {
[INFO] [stderr]   | ------------ associated function in this implementation
[INFO] [stderr] 8 |     fn new(bytes: Vec<u8>, cols: usize, rows: usize) -> Self {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `bytes` is never read
[INFO] [stderr]   --> src/lib.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct ScannerBuilder {
[INFO] [stderr]    |            -------------- field in this struct
[INFO] [stderr] 36 |     bytes: Option<Vec<u8>>,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `typewriter` (lib) generated 3 warnings
[INFO] [stderr] warning: `typewriter` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/typewriter-85bbbc2f76f525ec)
[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] [stderr]    Doc-tests typewriter
[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" "71fbd5cf52fcf1c4ca1bcdaceda1d2bb2347a856c2f83c1cd867bfa65153d1cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fbd5cf52fcf1c4ca1bcdaceda1d2bb2347a856c2f83c1cd867bfa65153d1cf", kill_on_drop: false }`
[INFO] [stdout] 71fbd5cf52fcf1c4ca1bcdaceda1d2bb2347a856c2f83c1cd867bfa65153d1cf