[INFO] fetching crate rust-beam 0.3.0...
[INFO] testing rust-beam-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate rust-beam 0.3.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate rust-beam 0.3.0
[INFO] finished tweaking crates.io crate rust-beam 0.3.0
[INFO] tweaked toml for crates.io crate rust-beam 0.3.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-beam 0.3.0 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 rust-beam 0.3.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1dd5e928d8a71290eed7957f2f5123dacb7c678dd04e7376c3438783bb8bc8c3
[INFO] running `Command { std: "docker" "start" "-a" "1dd5e928d8a71290eed7957f2f5123dacb7c678dd04e7376c3438783bb8bc8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1dd5e928d8a71290eed7957f2f5123dacb7c678dd04e7376c3438783bb8bc8c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dd5e928d8a71290eed7957f2f5123dacb7c678dd04e7376c3438783bb8bc8c3", kill_on_drop: false }`
[INFO] [stdout] 1dd5e928d8a71290eed7957f2f5123dacb7c678dd04e7376c3438783bb8bc8c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b698b2d5850f4016837277b904206f5262eb0b751e27f195b0bf9a650769d8ae
[INFO] running `Command { std: "docker" "start" "-a" "b698b2d5850f4016837277b904206f5262eb0b751e27f195b0bf9a650769d8ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-beam v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `current_slide` is never read
[INFO] [stdout]    --> src/main.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 current_slide = Slide::default();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     push_slide!();
[INFO] [stdout]     |     ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `push_slide` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "b698b2d5850f4016837277b904206f5262eb0b751e27f195b0bf9a650769d8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b698b2d5850f4016837277b904206f5262eb0b751e27f195b0bf9a650769d8ae", kill_on_drop: false }`
[INFO] [stdout] b698b2d5850f4016837277b904206f5262eb0b751e27f195b0bf9a650769d8ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 676d84cf9683d1f38b6bee544443e829e236b7de0f724e8b90d72c6083ea59c5
[INFO] running `Command { std: "docker" "start" "-a" "676d84cf9683d1f38b6bee544443e829e236b7de0f724e8b90d72c6083ea59c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-beam v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `current_slide` is never read
[INFO] [stdout]    --> src/main.rs:168:17
[INFO] [stdout]     |
[INFO] [stdout] 168 |                 current_slide = Slide::default();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 214 |     push_slide!();
[INFO] [stdout]     |     ------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `push_slide` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "676d84cf9683d1f38b6bee544443e829e236b7de0f724e8b90d72c6083ea59c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676d84cf9683d1f38b6bee544443e829e236b7de0f724e8b90d72c6083ea59c5", kill_on_drop: false }`
[INFO] [stdout] 676d84cf9683d1f38b6bee544443e829e236b7de0f724e8b90d72c6083ea59c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b4a4a07d344f7ee8f3bfb3812cb9b24dd3cfbe9d607d453d36f835e6184c65e6
[INFO] running `Command { std: "docker" "start" "-a" "b4a4a07d344f7ee8f3bfb3812cb9b24dd3cfbe9d607d453d36f835e6184c65e6", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `current_slide` is never read
[INFO] [stderr]    --> src/main.rs:168:17
[INFO] [stderr]     |
[INFO] [stderr] 168 |                 current_slide = Slide::default();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 214 |     push_slide!();
[INFO] [stderr]     |     ------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `push_slide` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-beam` (bin "rust-beam" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/rust_beam-c5c5da4860c2694f)
[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" "b4a4a07d344f7ee8f3bfb3812cb9b24dd3cfbe9d607d453d36f835e6184c65e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a4a07d344f7ee8f3bfb3812cb9b24dd3cfbe9d607d453d36f835e6184c65e6", kill_on_drop: false }`
[INFO] [stdout] b4a4a07d344f7ee8f3bfb3812cb9b24dd3cfbe9d607d453d36f835e6184c65e6