[INFO] fetching crate escher 0.3.0... [INFO] testing escher-0.3.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate escher 0.3.0 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate escher 0.3.0 [INFO] finished tweaking crates.io crate escher 0.3.0 [INFO] tweaked toml for crates.io crate escher 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate escher 0.3.0 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] [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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded escher-derive v0.2.0 [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] 1710a2d8c3c387bb43a0601b3ad8495dbd0dd2df52536352be75e304c9428e65 [INFO] running `Command { std: "docker" "start" "-a" "1710a2d8c3c387bb43a0601b3ad8495dbd0dd2df52536352be75e304c9428e65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1710a2d8c3c387bb43a0601b3ad8495dbd0dd2df52536352be75e304c9428e65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1710a2d8c3c387bb43a0601b3ad8495dbd0dd2df52536352be75e304c9428e65", kill_on_drop: false }` [INFO] [stdout] 1710a2d8c3c387bb43a0601b3ad8495dbd0dd2df52536352be75e304c9428e65 [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] 7adc1ff52ffec716de1a7b187fbcb684fd3d9604cb2b3fcccb84eb09c7d2bb19 [INFO] running `Command { std: "docker" "start" "-a" "7adc1ff52ffec716de1a7b187fbcb684fd3d9604cb2b3fcccb84eb09c7d2bb19", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling futures-task v0.3.31 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling escher-derive v0.2.0 [INFO] [stderr] Compiling escher v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/escher.rs:125:24 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn as_ref<'a>(&'a self) -> &Rebind<'a, T> { [INFO] [stdout] | ^^ -------------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [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] 125 | pub fn as_ref<'a>(&'a self) -> &'a Rebind<'a, T> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/escher.rs:138:24 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn as_mut<'a>(&'a mut self) -> &mut Rebind<'a, T> { [INFO] [stdout] | ^^ ------------------ [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 138 | pub fn as_mut<'a>(&'a mut self) -> &'a mut Rebind<'a, T> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.69s [INFO] running `Command { std: "docker" "inspect" "7adc1ff52ffec716de1a7b187fbcb684fd3d9604cb2b3fcccb84eb09c7d2bb19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7adc1ff52ffec716de1a7b187fbcb684fd3d9604cb2b3fcccb84eb09c7d2bb19", kill_on_drop: false }` [INFO] [stdout] 7adc1ff52ffec716de1a7b187fbcb684fd3d9604cb2b3fcccb84eb09c7d2bb19 [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] 7dfa62f08a3805c190bdc4c681ecd4a79bcdd1d5c568e39db04703f4ca6b66f5 [INFO] running `Command { std: "docker" "start" "-a" "7dfa62f08a3805c190bdc4c681ecd4a79bcdd1d5c568e39db04703f4ca6b66f5", kill_on_drop: false }` [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/escher.rs:125:24 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn as_ref<'a>(&'a self) -> &Rebind<'a, T> { [INFO] [stdout] | ^^ -------------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [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] 125 | pub fn as_ref<'a>(&'a self) -> &'a Rebind<'a, T> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/escher.rs:138:24 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn as_mut<'a>(&'a mut self) -> &mut Rebind<'a, T> { [INFO] [stdout] | ^^ ------------------ [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 138 | pub fn as_mut<'a>(&'a mut self) -> &'a mut Rebind<'a, T> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling escher v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/escher.rs:125:24 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn as_ref<'a>(&'a self) -> &Rebind<'a, T> { [INFO] [stdout] | ^^ -------------- [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [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] 125 | pub fn as_ref<'a>(&'a self) -> &'a Rebind<'a, T> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/escher.rs:138:24 [INFO] [stdout] | [INFO] [stdout] 138 | pub fn as_mut<'a>(&'a mut self) -> &mut Rebind<'a, T> { [INFO] [stdout] | ^^ ------------------ [INFO] [stdout] | | | | [INFO] [stdout] | | | the lifetimes get resolved as `'a` [INFO] [stdout] | | the lifetimes get resolved as `'a` [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 138 | pub fn as_mut<'a>(&'a mut self) -> &'a mut Rebind<'a, T> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "7dfa62f08a3805c190bdc4c681ecd4a79bcdd1d5c568e39db04703f4ca6b66f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dfa62f08a3805c190bdc4c681ecd4a79bcdd1d5c568e39db04703f4ca6b66f5", kill_on_drop: false }` [INFO] [stdout] 7dfa62f08a3805c190bdc4c681ecd4a79bcdd1d5c568e39db04703f4ca6b66f5 [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] 9cffe45b19abccc87d163edb2bfd3d7a09dbb845c03bf643d9995b9fb349460c [INFO] running `Command { std: "docker" "start" "-a" "9cffe45b19abccc87d163edb2bfd3d7a09dbb845c03bf643d9995b9fb349460c", kill_on_drop: false }` [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/escher.rs:125:24 [INFO] [stderr] | [INFO] [stderr] 125 | pub fn as_ref<'a>(&'a self) -> &Rebind<'a, T> { [INFO] [stderr] | ^^ -------------- [INFO] [stderr] | | | | [INFO] [stderr] | | | the lifetimes get resolved as `'a` [INFO] [stderr] | | the lifetimes get resolved as `'a` [INFO] [stderr] | this lifetime flows to the output [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] 125 | pub fn as_ref<'a>(&'a self) -> &'a Rebind<'a, T> { [INFO] [stderr] | ++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/escher.rs:138:24 [INFO] [stderr] | [INFO] [stderr] 138 | pub fn as_mut<'a>(&'a mut self) -> &mut Rebind<'a, T> { [INFO] [stderr] | ^^ ------------------ [INFO] [stderr] | | | | [INFO] [stderr] | | | the lifetimes get resolved as `'a` [INFO] [stderr] | | the lifetimes get resolved as `'a` [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to consistently use `'a` [INFO] [stderr] | [INFO] [stderr] 138 | pub fn as_mut<'a>(&'a mut self) -> &'a mut Rebind<'a, T> { [INFO] [stderr] | ++ [INFO] [stderr] [INFO] [stderr] warning: `escher` (lib) generated 2 warnings (run `cargo fix --lib -p escher` to apply 2 suggestions) [INFO] [stderr] warning: `escher` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/escher-7abe8682138a368f) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::it_works ... ok [INFO] [stdout] test tests::simple_mut_ref ... ok [INFO] [stdout] test tests::simple_ref ... ok [INFO] [stdout] test tests::adversarial_sync_fn - should panic ... ok [INFO] [stdout] test tests::adversarial_capture_non_stack - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9cffe45b19abccc87d163edb2bfd3d7a09dbb845c03bf643d9995b9fb349460c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9cffe45b19abccc87d163edb2bfd3d7a09dbb845c03bf643d9995b9fb349460c", kill_on_drop: false }` [INFO] [stdout] 9cffe45b19abccc87d163edb2bfd3d7a09dbb845c03bf643d9995b9fb349460c