[INFO] fetching crate cpsc323-lexer 0.1.0...
[INFO] testing cpsc323-lexer-0.1.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate cpsc323-lexer 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate cpsc323-lexer 0.1.0
[INFO] finished tweaking crates.io crate cpsc323-lexer 0.1.0
[INFO] tweaked toml for crates.io crate cpsc323-lexer 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cpsc323-lexer 0.1.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cpsc323-lexer 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9d7c01096c7b556b329b327a2732ce7e6d4fd6396c2363c79db2c813048fcd3
[INFO] running `Command { std: "docker" "start" "-a" "a9d7c01096c7b556b329b327a2732ce7e6d4fd6396c2363c79db2c813048fcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9d7c01096c7b556b329b327a2732ce7e6d4fd6396c2363c79db2c813048fcd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d7c01096c7b556b329b327a2732ce7e6d4fd6396c2363c79db2c813048fcd3", kill_on_drop: false }`
[INFO] [stdout] a9d7c01096c7b556b329b327a2732ce7e6d4fd6396c2363c79db2c813048fcd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 66d5b199de64fe6bea1987b062c569eddabe01b1b4b982372144667908170ada
[INFO] running `Command { std: "docker" "start" "-a" "66d5b199de64fe6bea1987b062c569eddabe01b1b4b982372144667908170ada", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpsc323-lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 | /         match val {
[INFO] [stdout] 162 | |             Ok(tok) => writeln!(f, "{:>10} = {}", format!("{:?}", tok.ty), tok.lex),
[INFO] [stdout] 163 | |             Err(e) => {
[INFO] [stdout] 164 | |                 f.flush()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 172 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let _ = match val {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "66d5b199de64fe6bea1987b062c569eddabe01b1b4b982372144667908170ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66d5b199de64fe6bea1987b062c569eddabe01b1b4b982372144667908170ada", kill_on_drop: false }`
[INFO] [stdout] 66d5b199de64fe6bea1987b062c569eddabe01b1b4b982372144667908170ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 971e2e323d2733aa66ec92f30eba6563651112b7203581ba178d1d7311feb57d
[INFO] running `Command { std: "docker" "start" "-a" "971e2e323d2733aa66ec92f30eba6563651112b7203581ba178d1d7311feb57d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cpsc323-lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 | /         match val {
[INFO] [stdout] 162 | |             Ok(tok) => writeln!(f, "{:>10} = {}", format!("{:?}", tok.ty), tok.lex),
[INFO] [stdout] 163 | |             Err(e) => {
[INFO] [stdout] 164 | |                 f.flush()?;
[INFO] [stdout] ...   |
[INFO] [stdout] 172 | |         };
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let _ = match val {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "971e2e323d2733aa66ec92f30eba6563651112b7203581ba178d1d7311feb57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "971e2e323d2733aa66ec92f30eba6563651112b7203581ba178d1d7311feb57d", kill_on_drop: false }`
[INFO] [stdout] 971e2e323d2733aa66ec92f30eba6563651112b7203581ba178d1d7311feb57d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 4e268157ef0cdde0f78228f1fb229a35756c492a3c0cd8be9ca57ff297bb3354
[INFO] running `Command { std: "docker" "start" "-a" "4e268157ef0cdde0f78228f1fb229a35756c492a3c0cd8be9ca57ff297bb3354", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:161:9
[INFO] [stderr]     |
[INFO] [stderr] 161 | /         match val {
[INFO] [stderr] 162 | |             Ok(tok) => writeln!(f, "{:>10} = {}", format!("{:?}", tok.ty), tok.lex),
[INFO] [stderr] 163 | |             Err(e) => {
[INFO] [stderr] 164 | |                 f.flush()?;
[INFO] [stderr] ...   |
[INFO] [stderr] 172 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 161 |         let _ = match val {
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `cpsc323-lexer` (bin "cpsc323-lexer" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/cpsc323_lexer-ae48fce795cfd9d0)
[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" "4e268157ef0cdde0f78228f1fb229a35756c492a3c0cd8be9ca57ff297bb3354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e268157ef0cdde0f78228f1fb229a35756c492a3c0cd8be9ca57ff297bb3354", kill_on_drop: false }`
[INFO] [stdout] 4e268157ef0cdde0f78228f1fb229a35756c492a3c0cd8be9ca57ff297bb3354