[INFO] fetching crate singleton-cell 0.3.1... [INFO] testing singleton-cell-0.3.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate singleton-cell 0.3.1 into /workspace/builds/worker-1-tc1/source [INFO] started tweaking crates.io crate singleton-cell 0.3.1 [INFO] finished tweaking crates.io crate singleton-cell 0.3.1 [INFO] tweaked toml for crates.io crate singleton-cell 0.3.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate singleton-cell 0.3.1 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] crate crates.io crate singleton-cell 0.3.1 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] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded singleton-trait v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 944a985dc64669f863ac6c1ca7f7cd92c4793d066c96355c9ceed3e1172fe3e6 [INFO] running `Command { std: "docker" "start" "-a" "944a985dc64669f863ac6c1ca7f7cd92c4793d066c96355c9ceed3e1172fe3e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "944a985dc64669f863ac6c1ca7f7cd92c4793d066c96355c9ceed3e1172fe3e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "944a985dc64669f863ac6c1ca7f7cd92c4793d066c96355c9ceed3e1172fe3e6", kill_on_drop: false }` [INFO] [stdout] 944a985dc64669f863ac6c1ca7f7cd92c4793d066c96355c9ceed3e1172fe3e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 62bf8943d2ac0a2a4b64e336570dbe78ca2ec06e3a76af81e43b04ccd6ca22ec [INFO] running `Command { std: "docker" "start" "-a" "62bf8943d2ac0a2a4b64e336570dbe78ca2ec06e3a76af81e43b04ccd6ca22ec", kill_on_drop: false }` [INFO] [stderr] Compiling singleton-trait v0.3.0 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Compiling singleton-cell v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.02s [INFO] running `Command { std: "docker" "inspect" "62bf8943d2ac0a2a4b64e336570dbe78ca2ec06e3a76af81e43b04ccd6ca22ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62bf8943d2ac0a2a4b64e336570dbe78ca2ec06e3a76af81e43b04ccd6ca22ec", kill_on_drop: false }` [INFO] [stdout] 62bf8943d2ac0a2a4b64e336570dbe78ca2ec06e3a76af81e43b04ccd6ca22ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e8bc27cfa835aac380737ca6332674e75731429187da1d4c01c03e2a2e6978cd [INFO] running `Command { std: "docker" "start" "-a" "e8bc27cfa835aac380737ca6332674e75731429187da1d4c01c03e2a2e6978cd", kill_on_drop: false }` [INFO] [stderr] Compiling singleton-cell v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate as singleton_cell` [INFO] [stdout] --> src/lib.rs:351:9 [INFO] [stdout] | [INFO] [stdout] 351 | use crate as singleton_cell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/lib.rs:400:30 [INFO] [stdout] | [INFO] [stdout] 400 | struct Local<'a>(&'a ()); [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_erased` is never used [INFO] [stdout] --> src/lib.rs:333:24 [INFO] [stdout] | [INFO] [stdout] 303 | impl $Name { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 422 | new_singleton!(pub A); [INFO] [stdout] | --------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_erased` is never used [INFO] [stdout] --> src/lib.rs:333:24 [INFO] [stdout] | [INFO] [stdout] 303 | impl $Name { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 429 | new_singleton!(pub A); [INFO] [stdout] | --------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new_erased` is never used [INFO] [stdout] --> src/lib.rs:333:24 [INFO] [stdout] | [INFO] [stdout] 303 | impl $Name { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 430 | new_singleton!(pub B); [INFO] [stdout] | --------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in the macro `new_singleton` (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 0.58s [INFO] running `Command { std: "docker" "inspect" "e8bc27cfa835aac380737ca6332674e75731429187da1d4c01c03e2a2e6978cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e8bc27cfa835aac380737ca6332674e75731429187da1d4c01c03e2a2e6978cd", kill_on_drop: false }` [INFO] [stdout] e8bc27cfa835aac380737ca6332674e75731429187da1d4c01c03e2a2e6978cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 64261b8a689fe98af2ebd17a018d0491e9642ea0a17022e0d31014c3983fc79f [INFO] running `Command { std: "docker" "start" "-a" "64261b8a689fe98af2ebd17a018d0491e9642ea0a17022e0d31014c3983fc79f", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `crate as singleton_cell` [INFO] [stderr] --> src/lib.rs:351:9 [INFO] [stderr] | [INFO] [stderr] 351 | use crate as singleton_cell; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/lib.rs:400:30 [INFO] [stderr] | [INFO] [stderr] 400 | struct Local<'a>(&'a ()); [INFO] [stderr] | ----- ^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new_erased` is never used [INFO] [stderr] --> src/lib.rs:333:24 [INFO] [stderr] | [INFO] [stderr] 303 | impl $Name { [INFO] [stderr] | ---------- associated function in this implementation [INFO] [stderr] ... [INFO] [stderr] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 422 | new_singleton!(pub A); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function `new_erased` is never used [INFO] [stderr] --> src/lib.rs:333:24 [INFO] [stderr] | [INFO] [stderr] 303 | impl $Name { [INFO] [stderr] | ---------- associated function in this implementation [INFO] [stderr] ... [INFO] [stderr] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 429 | new_singleton!(pub A); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function `new_erased` is never used [INFO] [stderr] --> src/lib.rs:333:24 [INFO] [stderr] | [INFO] [stderr] 303 | impl $Name { [INFO] [stderr] | ---------- associated function in this implementation [INFO] [stderr] ... [INFO] [stderr] 333 | fn new_erased() -> Option<$crate::Erased> { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 430 | new_singleton!(pub B); [INFO] [stderr] | --------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in the macro `new_singleton` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `singleton-cell` (lib test) generated 5 warnings (run `cargo fix --lib -p singleton-cell --tests` to apply 1 suggestion) [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/singleton_cell-ed91e43cb1294bfa) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::ghost_read_after_write ... ok [INFO] [stdout] test tests::ghost_trivial ... ok [INFO] [stdout] test tests::global_singleton_distinct ... ok [INFO] [stdout] test tests::global_singleton_unique ... ok [INFO] [stdout] test tests::local_type_round_trip ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "64261b8a689fe98af2ebd17a018d0491e9642ea0a17022e0d31014c3983fc79f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64261b8a689fe98af2ebd17a018d0491e9642ea0a17022e0d31014c3983fc79f", kill_on_drop: false }` [INFO] [stdout] 64261b8a689fe98af2ebd17a018d0491e9642ea0a17022e0d31014c3983fc79f