[INFO] cloning repository https://github.com/thebracket/legion-serialize-bug-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thebracket/legion-serialize-bug-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebracket%2Flegion-serialize-bug-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebracket%2Flegion-serialize-bug-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f07451f51aa64ec4ed4c65cdc943f272f039eda
[INFO] checking thebracket/legion-serialize-bug-demo against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebracket%2Flegion-serialize-bug-demo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/thebracket/legion-serialize-bug-demo
[INFO] finished tweaking git repo https://github.com/thebracket/legion-serialize-bug-demo
[INFO] tweaked toml for git repo https://github.com/thebracket/legion-serialize-bug-demo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/thebracket/legion-serialize-bug-demo on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/thebracket/legion-serialize-bug-demo 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3c2c7500322b7bc3b459278511bcfa521655ba9d33c7ac2b5d8739b7b29718e
[INFO] running `Command { std: "docker" "start" "-a" "e3c2c7500322b7bc3b459278511bcfa521655ba9d33c7ac2b5d8739b7b29718e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3c2c7500322b7bc3b459278511bcfa521655ba9d33c7ac2b5d8739b7b29718e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3c2c7500322b7bc3b459278511bcfa521655ba9d33c7ac2b5d8739b7b29718e", kill_on_drop: false }`
[INFO] [stdout] e3c2c7500322b7bc3b459278511bcfa521655ba9d33c7ac2b5d8739b7b29718e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3abafd863240e747871a7a39efcab117e5647473fb045c817ecfff9e348ea7a9
[INFO] running `Command { std: "docker" "start" "-a" "3abafd863240e747871a7a39efcab117e5647473fb045c817ecfff9e348ea7a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.1.14
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[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling type-uuid-derive v0.1.2
[INFO] [stderr]     Checking type-uuid v0.1.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking tracing v0.1.16
[INFO] [stderr]     Checking legion-core v0.2.4 (https://github.com/TomGillen/legion#80a3d15c)
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking ron v0.6.0
[INFO] [stderr]     Checking legion-systems v0.2.4 (https://github.com/TomGillen/legion#80a3d15c)
[INFO] [stderr]     Checking legion v0.2.4 (https://github.com/TomGillen/legion#80a3d15c)
[INFO] [stderr]     Checking legionbug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:327:30
[INFO] [stdout]     |
[INFO] [stdout] 327 |             let mut erased = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 327 |             let mut erased = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                              ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:343:30
[INFO] [stdout]     |
[INFO] [stdout] 343 |             let mut erased = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 343 |             let mut erased = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                              ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:327:30
[INFO] [stdout]     |
[INFO] [stdout] 327 |             let mut erased = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 327 |             let mut erased = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                              ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/serialize.rs:343:30
[INFO] [stdout]     |
[INFO] [stdout] 343 |             let mut erased = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 343 |             let mut erased = <dyn erased_serde::Deserializer>::erase(deserializer);
[INFO] [stdout]     |                              ++++                           +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.57s
[INFO] running `Command { std: "docker" "inspect" "3abafd863240e747871a7a39efcab117e5647473fb045c817ecfff9e348ea7a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3abafd863240e747871a7a39efcab117e5647473fb045c817ecfff9e348ea7a9", kill_on_drop: false }`
[INFO] [stdout] 3abafd863240e747871a7a39efcab117e5647473fb045c817ecfff9e348ea7a9
