[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_libc_patch_0
[INFO] extracting crate idheap 0.0.1 into /workspace/builds/worker-0-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-0-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] 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-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] d009790df8e5a99e022ca7bbcd91b7faae00ae5964c5a139f8f014071492dc3f
[INFO] running `Command { std: "docker" "start" "-a" "d009790df8e5a99e022ca7bbcd91b7faae00ae5964c5a139f8f014071492dc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d009790df8e5a99e022ca7bbcd91b7faae00ae5964c5a139f8f014071492dc3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d009790df8e5a99e022ca7bbcd91b7faae00ae5964c5a139f8f014071492dc3f", kill_on_drop: false }`
[INFO] [stdout] d009790df8e5a99e022ca7bbcd91b7faae00ae5964c5a139f8f014071492dc3f
[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] 24ba815054f4b7eeb682109d32ffd1755d1fdbf24fb4821130b0eccbdbb94d6e
[INFO] running `Command { std: "docker" "start" "-a" "24ba815054f4b7eeb682109d32ffd1755d1fdbf24fb4821130b0eccbdbb94d6e", 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 0.25s
[INFO] running `Command { std: "docker" "inspect" "24ba815054f4b7eeb682109d32ffd1755d1fdbf24fb4821130b0eccbdbb94d6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24ba815054f4b7eeb682109d32ffd1755d1fdbf24fb4821130b0eccbdbb94d6e", kill_on_drop: false }`
[INFO] [stdout] 24ba815054f4b7eeb682109d32ffd1755d1fdbf24fb4821130b0eccbdbb94d6e
[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] d0856a541d425abec9c59ec5d5ff484bbdbe5f857c6a5d690a6565f1fe0305ea
[INFO] running `Command { std: "docker" "start" "-a" "d0856a541d425abec9c59ec5d5ff484bbdbe5f857c6a5d690a6565f1fe0305ea", kill_on_drop: false }`
[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]    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 `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "d0856a541d425abec9c59ec5d5ff484bbdbe5f857c6a5d690a6565f1fe0305ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0856a541d425abec9c59ec5d5ff484bbdbe5f857c6a5d690a6565f1fe0305ea", kill_on_drop: false }`
[INFO] [stdout] d0856a541d425abec9c59ec5d5ff484bbdbe5f857c6a5d690a6565f1fe0305ea
[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] db548e85fb39e8b973e3da02b86afc93afc1969e215f8f72e7fc8f120752eb27
[INFO] running `Command { std: "docker" "start" "-a" "db548e85fb39e8b973e3da02b86afc93afc1969e215f8f72e7fc8f120752eb27", 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 0.02s
[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_split ... ok
[INFO] [stdout] test tests::alloc_id_tail ... ok
[INFO] [stdout] test tests::from_slice ... ok
[INFO] [stdout] test tests::deserialize_serialize ... ok
[INFO] [stdout] test tests::from_slice_fail ... ok
[INFO] [stdout] test tests::from_strlist ... ok
[INFO] [stdout] test tests::from_strlist_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::single_id ... ok
[INFO] [stdout] test tests::alloc_one ... ok
[INFO] [stdout] test tests::send_to_thread ... ok
[INFO] [stdout] test tests::alloc_id_head ... 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" "db548e85fb39e8b973e3da02b86afc93afc1969e215f8f72e7fc8f120752eb27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db548e85fb39e8b973e3da02b86afc93afc1969e215f8f72e7fc8f120752eb27", kill_on_drop: false }`
[INFO] [stdout] db548e85fb39e8b973e3da02b86afc93afc1969e215f8f72e7fc8f120752eb27