[INFO] fetching crate board 0.2.2...
[INFO] testing board-0.2.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate board 0.2.2 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate board 0.2.2
[INFO] finished tweaking crates.io crate board 0.2.2
[INFO] tweaked toml for crates.io crate board 0.2.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate board 0.2.2 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[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-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] 58d80f7b26c83caee0154bf536632bc9a35f114bab394642f7380eec3b9e24d6
[INFO] running `Command { std: "docker" "start" "-a" "58d80f7b26c83caee0154bf536632bc9a35f114bab394642f7380eec3b9e24d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58d80f7b26c83caee0154bf536632bc9a35f114bab394642f7380eec3b9e24d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58d80f7b26c83caee0154bf536632bc9a35f114bab394642f7380eec3b9e24d6", kill_on_drop: false }`
[INFO] [stdout] 58d80f7b26c83caee0154bf536632bc9a35f114bab394642f7380eec3b9e24d6
[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] d638e0230f6da53135499b32c01c102c3a2ba616e2609574d53411b9ae435dda
[INFO] running `Command { std: "docker" "start" "-a" "d638e0230f6da53135499b32c01c102c3a2ba616e2609574d53411b9ae435dda", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling board v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:181:31
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter_with_pos<'a>(&'a self) -> impl Iterator<Item = (Pos, &T)> {
[INFO] [stdout]     |                               ^^ this lifetime flows to the output   -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter_with_pos<'a>(&'a self) -> impl Iterator<Item = (Pos, &'a T)> {
[INFO] [stdout]     |                                                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "d638e0230f6da53135499b32c01c102c3a2ba616e2609574d53411b9ae435dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d638e0230f6da53135499b32c01c102c3a2ba616e2609574d53411b9ae435dda", kill_on_drop: false }`
[INFO] [stdout] d638e0230f6da53135499b32c01c102c3a2ba616e2609574d53411b9ae435dda
[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] 1049eac987dd5fe57d06025a867ae3268f2df5204ef60db525bfcd1d225e0043
[INFO] running `Command { std: "docker" "start" "-a" "1049eac987dd5fe57d06025a867ae3268f2df5204ef60db525bfcd1d225e0043", kill_on_drop: false }`
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:181:31
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter_with_pos<'a>(&'a self) -> impl Iterator<Item = (Pos, &T)> {
[INFO] [stdout]     |                               ^^ this lifetime flows to the output   -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter_with_pos<'a>(&'a self) -> impl Iterator<Item = (Pos, &'a T)> {
[INFO] [stdout]     |                                                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling board v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:181:31
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter_with_pos<'a>(&'a self) -> impl Iterator<Item = (Pos, &T)> {
[INFO] [stdout]     |                               ^^ this lifetime flows to the output   -- the lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 181 |     pub fn iter_with_pos<'a>(&'a self) -> impl Iterator<Item = (Pos, &'a T)> {
[INFO] [stdout]     |                                                                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "1049eac987dd5fe57d06025a867ae3268f2df5204ef60db525bfcd1d225e0043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1049eac987dd5fe57d06025a867ae3268f2df5204ef60db525bfcd1d225e0043", kill_on_drop: false }`
[INFO] [stdout] 1049eac987dd5fe57d06025a867ae3268f2df5204ef60db525bfcd1d225e0043
[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] 282aa6d56af69fb6bfbdc56b9315b8ef06d0fbb9ffefdc511058e6c3d6ae141a
[INFO] running `Command { std: "docker" "start" "-a" "282aa6d56af69fb6bfbdc56b9315b8ef06d0fbb9ffefdc511058e6c3d6ae141a", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/lib.rs:181:31
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn iter_with_pos<'a>(&'a self) -> impl Iterator<Item = (Pos, &T)> {
[INFO] [stderr]     |                               ^^ this lifetime flows to the output   -- the lifetime gets resolved as `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 181 |     pub fn iter_with_pos<'a>(&'a self) -> impl Iterator<Item = (Pos, &'a T)> {
[INFO] [stderr]     |                                                                       ++
[INFO] [stderr] 
[INFO] [stderr] warning: `board` (lib) generated 1 warning (run `cargo fix --lib -p board` to apply 1 suggestion)
[INFO] [stderr] warning: `board` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/board-bb7786f8c419c0dd)
[INFO] [stdout] test tests::test_get ... ok
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] test tests::test_get_mut ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "282aa6d56af69fb6bfbdc56b9315b8ef06d0fbb9ffefdc511058e6c3d6ae141a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "282aa6d56af69fb6bfbdc56b9315b8ef06d0fbb9ffefdc511058e6c3d6ae141a", kill_on_drop: false }`
[INFO] [stdout] 282aa6d56af69fb6bfbdc56b9315b8ef06d0fbb9ffefdc511058e6c3d6ae141a