[INFO] fetching crate palin 0.8.0...
[INFO] testing palin-0.8.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate palin 0.8.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate palin 0.8.0
[INFO] finished tweaking crates.io crate palin 0.8.0
[INFO] tweaked toml for crates.io crate palin 0.8.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate palin 0.8.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d95561cad2925518a0ae7ab6fbce449789cc2ae740c5c512151e49ae9cbf4665
[INFO] running `Command { std: "docker" "start" "-a" "d95561cad2925518a0ae7ab6fbce449789cc2ae740c5c512151e49ae9cbf4665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d95561cad2925518a0ae7ab6fbce449789cc2ae740c5c512151e49ae9cbf4665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95561cad2925518a0ae7ab6fbce449789cc2ae740c5c512151e49ae9cbf4665", kill_on_drop: false }`
[INFO] [stdout] d95561cad2925518a0ae7ab6fbce449789cc2ae740c5c512151e49ae9cbf4665
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] eefe77447d354c033bd2522d695d5484c3b77d00ee5ffc92800388e64fd020f6
[INFO] running `Command { std: "docker" "start" "-a" "eefe77447d354c033bd2522d695d5484c3b77d00ee5ffc92800388e64fd020f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling palin v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `name` is never read
[INFO] [stdout]    --> src/lib.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 let mut name = String::new();
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `version` is never read
[INFO] [stdout]    --> src/lib.rs:228:25
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let mut version = String::new();
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `update_info` is never read
[INFO] [stdout]     --> src/lib.rs:1458:29
[INFO] [stdout]      |
[INFO] [stdout] 1458 | ...                   update_info = split.to_string()
[INFO] [stdout]      |                       ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "eefe77447d354c033bd2522d695d5484c3b77d00ee5ffc92800388e64fd020f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eefe77447d354c033bd2522d695d5484c3b77d00ee5ffc92800388e64fd020f6", kill_on_drop: false }`
[INFO] [stdout] eefe77447d354c033bd2522d695d5484c3b77d00ee5ffc92800388e64fd020f6
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/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] ca180b670341720f3296558a6919352fe80b0d5f1c7a792dc4f54dbc859d2872
[INFO] running `Command { std: "docker" "start" "-a" "ca180b670341720f3296558a6919352fe80b0d5f1c7a792dc4f54dbc859d2872", kill_on_drop: false }`
[INFO] [stderr]    Compiling palin v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `name` is never read
[INFO] [stdout]    --> src/lib.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 let mut name = String::new();
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `version` is never read
[INFO] [stdout]    --> src/lib.rs:228:25
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let mut version = String::new();
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `update_info` is never read
[INFO] [stdout]     --> src/lib.rs:1458:29
[INFO] [stdout]      |
[INFO] [stdout] 1458 | ...                   update_info = split.to_string()
[INFO] [stdout]      |                       ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `name` is never read
[INFO] [stdout]    --> src/lib.rs:226:25
[INFO] [stdout]     |
[INFO] [stdout] 226 |                 let mut name = String::new();
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `version` is never read
[INFO] [stdout]    --> src/lib.rs:228:25
[INFO] [stdout]     |
[INFO] [stdout] 228 |                 let mut version = String::new();
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `update_info` is never read
[INFO] [stdout]     --> src/lib.rs:1458:29
[INFO] [stdout]      |
[INFO] [stdout] 1458 | ...                   update_info = split.to_string()
[INFO] [stdout]      |                       ^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ca180b670341720f3296558a6919352fe80b0d5f1c7a792dc4f54dbc859d2872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca180b670341720f3296558a6919352fe80b0d5f1c7a792dc4f54dbc859d2872", kill_on_drop: false }`
[INFO] [stdout] ca180b670341720f3296558a6919352fe80b0d5f1c7a792dc4f54dbc859d2872
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] a49dc18e6f14ba508f91f6b3e3fa9e983eb942c12733704b29767b8d1e9ad42c
[INFO] running `Command { std: "docker" "start" "-a" "a49dc18e6f14ba508f91f6b3e3fa9e983eb942c12733704b29767b8d1e9ad42c", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `name` is never read
[INFO] [stderr]    --> src/lib.rs:226:25
[INFO] [stderr]     |
[INFO] [stderr] 226 |                 let mut name = String::new();
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `version` is never read
[INFO] [stderr]    --> src/lib.rs:228:25
[INFO] [stderr]     |
[INFO] [stderr] 228 |                 let mut version = String::new();
[INFO] [stderr]     |                         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `update_info` is never read
[INFO] [stderr]     --> src/lib.rs:1458:29
[INFO] [stderr]      |
[INFO] [stderr] 1458 | ...                   update_info = split.to_string()
[INFO] [stderr]      |                       ^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `palin` (lib) generated 3 warnings
[INFO] [stderr] warning: `palin` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/palin-6161f25e0e5869c9)
[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" "a49dc18e6f14ba508f91f6b3e3fa9e983eb942c12733704b29767b8d1e9ad42c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a49dc18e6f14ba508f91f6b3e3fa9e983eb942c12733704b29767b8d1e9ad42c", kill_on_drop: false }`
[INFO] [stdout] a49dc18e6f14ba508f91f6b3e3fa9e983eb942c12733704b29767b8d1e9ad42c