[INFO] fetching crate idheap 0.0.1...
[INFO] testing idheap-0.0.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate idheap 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate idheap 0.0.1
[INFO] finished tweaking crates.io crate idheap 0.0.1
[INFO] tweaked toml for crates.io crate idheap 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate idheap 0.0.1 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]     Blocking waiting for file lock on package cache
[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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 553044e8ef4d65f3a308b766c0191d022438b84987b43550712136241e1507eb
[INFO] running `Command { std: "docker" "start" "-a" "553044e8ef4d65f3a308b766c0191d022438b84987b43550712136241e1507eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "553044e8ef4d65f3a308b766c0191d022438b84987b43550712136241e1507eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553044e8ef4d65f3a308b766c0191d022438b84987b43550712136241e1507eb", kill_on_drop: false }`
[INFO] [stdout] 553044e8ef4d65f3a308b766c0191d022438b84987b43550712136241e1507eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7d286d979f34afcf7633d7414995c6c2983fe00a8fc0648a340952639be5a399
[INFO] running `Command { std: "docker" "start" "-a" "7d286d979f34afcf7633d7414995c6c2983fe00a8fc0648a340952639be5a399", kill_on_drop: false }`
[INFO] [stderr]    Compiling idheap v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:510:11
[INFO] [stdout]     |
[INFO] [stdout] 510 |       let mut newblock = mkblock(id, id);
[INFO] [stdout]     |           ----^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "7d286d979f34afcf7633d7414995c6c2983fe00a8fc0648a340952639be5a399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d286d979f34afcf7633d7414995c6c2983fe00a8fc0648a340952639be5a399", kill_on_drop: false }`
[INFO] [stdout] 7d286d979f34afcf7633d7414995c6c2983fe00a8fc0648a340952639be5a399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] be576b34fc7c781e333537f2062d3e8e2dcd237530ddf5e4e91e01a5a0907d59
[INFO] running `Command { std: "docker" "start" "-a" "be576b34fc7c781e333537f2062d3e8e2dcd237530ddf5e4e91e01a5a0907d59", kill_on_drop: false }`
[INFO] [stderr]    Compiling idheap v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:510:11
[INFO] [stdout]     |
[INFO] [stdout] 510 |       let mut newblock = mkblock(id, id);
[INFO] [stdout]     |           ----^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:510:11
[INFO] [stdout]     |
[INFO] [stdout] 510 |       let mut newblock = mkblock(id, id);
[INFO] [stdout]     |           ----^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "be576b34fc7c781e333537f2062d3e8e2dcd237530ddf5e4e91e01a5a0907d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be576b34fc7c781e333537f2062d3e8e2dcd237530ddf5e4e91e01a5a0907d59", kill_on_drop: false }`
[INFO] [stdout] be576b34fc7c781e333537f2062d3e8e2dcd237530ddf5e4e91e01a5a0907d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2fb9d2db721924b6289c0118975b02a6ad9766a6bd696093b04097f19f2a0509
[INFO] running `Command { std: "docker" "start" "-a" "2fb9d2db721924b6289c0118975b02a6ad9766a6bd696093b04097f19f2a0509", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:510:11
[INFO] [stderr]     |
[INFO] [stderr] 510 |       let mut newblock = mkblock(id, id);
[INFO] [stderr]     |           ----^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `idheap` (lib) generated 1 warning (run `cargo fix --lib -p idheap` to apply 1 suggestion)
[INFO] [stderr] warning: `idheap` (lib test) generated 1 warning (1 duplicate)
[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/idheap-a9e4e9330ba60696)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test tests::alloc_id_head ... ok
[INFO] [stdout] test tests::alloc_id_split ... ok
[INFO] [stdout] test tests::from_strlist ... ok
[INFO] [stdout] test tests::alloc_id_tail ... ok
[INFO] [stdout] test tests::alloc_one ... ok
[INFO] [stdout] test tests::deserialize_serialize ... ok
[INFO] [stdout] test tests::from_slice ... ok
[INFO] [stdout] test tests::from_slice_fail ... ok
[INFO] [stdout] test tests::just_init ... ok
[INFO] [stdout] test tests::merge_front_and_back_add_head ... ok
[INFO] [stdout] test tests::merge_front_and_back_add_tail ... ok
[INFO] [stdout] test tests::return_new_first_block ... ok
[INFO] [stdout] test tests::send_to_thread ... ok
[INFO] [stdout] test tests::from_strlist_fail ... ok
[INFO] [stdout] test tests::single_id ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2fb9d2db721924b6289c0118975b02a6ad9766a6bd696093b04097f19f2a0509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb9d2db721924b6289c0118975b02a6ad9766a6bd696093b04097f19f2a0509", kill_on_drop: false }`
[INFO] [stdout] 2fb9d2db721924b6289c0118975b02a6ad9766a6bd696093b04097f19f2a0509