[INFO] fetching crate sylt-machine 0.1.0...
[INFO] testing sylt-machine-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate sylt-machine 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate sylt-machine 0.1.0
[INFO] finished tweaking crates.io crate sylt-machine 0.1.0
[INFO] tweaked toml for crates.io crate sylt-machine 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate sylt-machine 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding owo-colors v2.1.0 (available: v4.2.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sylt-tokenizer v0.1.0
[INFO] [stderr]   Downloaded sylt-common v0.1.0
[INFO] [stderr]   Downloaded sylt-macro v0.1.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42e7dbca0e27bf2288928e95ed7e90c6d438301db2cad87218e77cd07d0a46e4
[INFO] running `Command { std: "docker" "start" "-a" "42e7dbca0e27bf2288928e95ed7e90c6d438301db2cad87218e77cd07d0a46e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42e7dbca0e27bf2288928e95ed7e90c6d438301db2cad87218e77cd07d0a46e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e7dbca0e27bf2288928e95ed7e90c6d438301db2cad87218e77cd07d0a46e4", kill_on_drop: false }`
[INFO] [stdout] 42e7dbca0e27bf2288928e95ed7e90c6d438301db2cad87218e77cd07d0a46e4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cb94ff44c4ba19b49f8d8fc7d7ac5d24aa026a7fdabf37bdf03714c2d49ab62
[INFO] running `Command { std: "docker" "start" "-a" "9cb94ff44c4ba19b49f8d8fc7d7ac5d24aa026a7fdabf37bdf03714c2d49ab62", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling owo-colors v2.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling logos-derive v0.12.1
[INFO] [stderr]    Compiling sylt-macro v0.1.0
[INFO] [stderr]    Compiling logos v0.12.1
[INFO] [stderr]    Compiling sylt-tokenizer v0.1.0
[INFO] [stderr]    Compiling sylt-common v0.1.0
[INFO] [stderr]    Compiling sylt-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn stack_from_base(&self, base: usize) -> Cow<[Value]> {
[INFO] [stdout]     |                        ^^^^^                  ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn stack_from_base(&self, base: usize) -> Cow<'_, [Value]> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.13s
[INFO] running `Command { std: "docker" "inspect" "9cb94ff44c4ba19b49f8d8fc7d7ac5d24aa026a7fdabf37bdf03714c2d49ab62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb94ff44c4ba19b49f8d8fc7d7ac5d24aa026a7fdabf37bdf03714c2d49ab62", kill_on_drop: false }`
[INFO] [stdout] 9cb94ff44c4ba19b49f8d8fc7d7ac5d24aa026a7fdabf37bdf03714c2d49ab62
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e6248cdc04aa09bb0938d51d92343a531c34bb47f28b48b1cc541e45ce84737
[INFO] running `Command { std: "docker" "start" "-a" "0e6248cdc04aa09bb0938d51d92343a531c34bb47f28b48b1cc541e45ce84737", kill_on_drop: false }`
[INFO] [stderr]    Compiling sylt-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn stack_from_base(&self, base: usize) -> Cow<[Value]> {
[INFO] [stdout]     |                        ^^^^^                  ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn stack_from_base(&self, base: usize) -> Cow<'_, [Value]> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/vm.rs:257:24
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn stack_from_base(&self, base: usize) -> Cow<[Value]> {
[INFO] [stdout]     |                        ^^^^^                  ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 257 |     fn stack_from_base(&self, base: usize) -> Cow<'_, [Value]> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "0e6248cdc04aa09bb0938d51d92343a531c34bb47f28b48b1cc541e45ce84737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6248cdc04aa09bb0938d51d92343a531c34bb47f28b48b1cc541e45ce84737", kill_on_drop: false }`
[INFO] [stdout] 0e6248cdc04aa09bb0938d51d92343a531c34bb47f28b48b1cc541e45ce84737
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e496c01053ec0c83e6e82f9363497d0524c91575580df88d70b006a2e868d009
[INFO] running `Command { std: "docker" "start" "-a" "e496c01053ec0c83e6e82f9363497d0524c91575580df88d70b006a2e868d009", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/vm.rs:257:24
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn stack_from_base(&self, base: usize) -> Cow<[Value]> {
[INFO] [stderr]     |                        ^^^^^                  ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                        |
[INFO] [stderr]     |                        the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 257 |     fn stack_from_base(&self, base: usize) -> Cow<'_, [Value]> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: `sylt-machine` (lib) generated 1 warning (run `cargo fix --lib -p sylt-machine` to apply 1 suggestion)
[INFO] [stderr] warning: `sylt-machine` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/vm.rs (/opt/rustwide/target/debug/deps/sylt_machine-eddac83685ff5015)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sylt_machine
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e496c01053ec0c83e6e82f9363497d0524c91575580df88d70b006a2e868d009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e496c01053ec0c83e6e82f9363497d0524c91575580df88d70b006a2e868d009", kill_on_drop: false }`
[INFO] [stdout] e496c01053ec0c83e6e82f9363497d0524c91575580df88d70b006a2e868d009