[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] testing thebracket/legion-serialize-bug-demo against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthebracket%2Flegion-serialize-bug-demo" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thebracket/legion-serialize-bug-demo on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-7/source/Cargo.toml [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: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f902d20ef667e47d3d10367e5d913dc4990a42ed44ab5a7028a32807c2e9c98c [INFO] running `Command { std: "docker" "start" "-a" "f902d20ef667e47d3d10367e5d913dc4990a42ed44ab5a7028a32807c2e9c98c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f902d20ef667e47d3d10367e5d913dc4990a42ed44ab5a7028a32807c2e9c98c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f902d20ef667e47d3d10367e5d913dc4990a42ed44ab5a7028a32807c2e9c98c", kill_on_drop: false }` [INFO] [stdout] f902d20ef667e47d3d10367e5d913dc4990a42ed44ab5a7028a32807c2e9c98c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] db80567888d357fe62fef250395e57c24a1ea6d0bcf115b3d337512d24f165b3 [INFO] running `Command { std: "docker" "start" "-a" "db80567888d357fe62fef250395e57c24a1ea6d0bcf115b3d337512d24f165b3", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling smallvec v1.4.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.16 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling base64 v0.12.3 [INFO] [stderr] Compiling tracing-core v0.1.11 [INFO] [stderr] Compiling lock_api v0.3.4 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling parking_lot_core v0.7.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling parking_lot v0.10.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Compiling paste-impl v0.1.18 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling crossbeam-channel v0.4.2 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling paste v0.1.18 [INFO] [stderr] Compiling uuid v0.8.1 [INFO] [stderr] Compiling derivative v1.0.4 [INFO] [stderr] Compiling serde_derive v1.0.114 [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] Compiling type-uuid v0.1.2 [INFO] [stderr] Compiling thiserror v1.0.20 [INFO] [stderr] Compiling tracing v0.1.16 [INFO] [stderr] Compiling legion-core v0.2.4 (https://github.com/TomGillen/legion#80a3d15c) [INFO] [stderr] Compiling ron v0.6.0 [INFO] [stderr] Compiling erased-serde v0.3.12 [INFO] [stderr] Compiling legion-systems v0.2.4 (https://github.com/TomGillen/legion#80a3d15c) [INFO] [stderr] Compiling legion v0.2.4 (https://github.com/TomGillen/legion#80a3d15c) [INFO] [stderr] Compiling 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 06s [INFO] running `Command { std: "docker" "inspect" "db80567888d357fe62fef250395e57c24a1ea6d0bcf115b3d337512d24f165b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db80567888d357fe62fef250395e57c24a1ea6d0bcf115b3d337512d24f165b3", kill_on_drop: false }` [INFO] [stdout] db80567888d357fe62fef250395e57c24a1ea6d0bcf115b3d337512d24f165b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f9f0941bcd033fdf88763281dd1b0f6d8a4281f238f60476e3fc455b9bb882e0 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f9f0941bcd033fdf88763281dd1b0f6d8a4281f238f60476e3fc455b9bb882e0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling 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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [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 [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] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.93s [INFO] running `Command { std: "docker" "inspect" "f9f0941bcd033fdf88763281dd1b0f6d8a4281f238f60476e3fc455b9bb882e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f9f0941bcd033fdf88763281dd1b0f6d8a4281f238f60476e3fc455b9bb882e0", kill_on_drop: false }` [INFO] [stdout] f9f0941bcd033fdf88763281dd1b0f6d8a4281f238f60476e3fc455b9bb882e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6630470f13ea5cd74a78fc4b625be4835cf893d784364e06f932691765f143dc [INFO] running `Command { std: "docker" "start" "-a" "6630470f13ea5cd74a78fc4b625be4835cf893d784364e06f932691765f143dc", kill_on_drop: false }` [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/serialize.rs:327:30 [INFO] [stderr] | [INFO] [stderr] 327 | let mut erased = erased_serde::Deserializer::erase(deserializer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/serialize.rs:343:30 [INFO] [stderr] | [INFO] [stderr] 343 | let mut erased = erased_serde::Deserializer::erase(deserializer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: `legionbug` (bin "legionbug" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/legionbug-5cb42e6ff313a973) [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" "6630470f13ea5cd74a78fc4b625be4835cf893d784364e06f932691765f143dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6630470f13ea5cd74a78fc4b625be4835cf893d784364e06f932691765f143dc", kill_on_drop: false }` [INFO] [stdout] 6630470f13ea5cd74a78fc4b625be4835cf893d784364e06f932691765f143dc