[INFO] fetching crate legion 0.4.0...
[INFO] building legion-0.4.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate legion 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate legion 0.4.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate legion 0.4.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate legion 0.4.0
[INFO] tweaked toml for crates.io crate legion 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomic_refcell v0.1.7
[INFO] [stderr]   Downloaded scoped-tls-hkt v0.1.2
[INFO] [stderr]   Downloaded legion_codegen v0.4.0
[INFO] [stderr]   Downloaded cgmath v0.18.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51eb640b11998cc7ba1b281937524b299b69f3076abddbcfc2c2227d0905b0a2
[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" "51eb640b11998cc7ba1b281937524b299b69f3076abddbcfc2c2227d0905b0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51eb640b11998cc7ba1b281937524b299b69f3076abddbcfc2c2227d0905b0a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51eb640b11998cc7ba1b281937524b299b69f3076abddbcfc2c2227d0905b0a2", kill_on_drop: false }`
[INFO] [stdout] 51eb640b11998cc7ba1b281937524b299b69f3076abddbcfc2c2227d0905b0a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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] a750c9df11d5ee143d3fc6dbc4b20700229ad8362005db7b38626f9cff8d87f5
[INFO] running `Command { std: "docker" "start" "-a" "a750c9df11d5ee143d3fc6dbc4b20700229ad8362005db7b38626f9cff8d87f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling erased-serde v0.3.15
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling scoped-tls-hkt v0.1.2
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling atomic_refcell v0.1.7
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling thiserror v1.0.25
[INFO] [stderr]    Compiling legion_codegen v0.4.0
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling legion v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn erased_serde::Deserializer>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn erased_serde::Deserializer>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/id.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn erased_serde::Deserializer>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.63s
[INFO] running `Command { std: "docker" "inspect" "a750c9df11d5ee143d3fc6dbc4b20700229ad8362005db7b38626f9cff8d87f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a750c9df11d5ee143d3fc6dbc4b20700229ad8362005db7b38626f9cff8d87f5", kill_on_drop: false }`
[INFO] [stdout] a750c9df11d5ee143d3fc6dbc4b20700229ad8362005db7b38626f9cff8d87f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81105a9da39ebb75533179a988f99e76cf23cbf64ffd3f44e9e4a9a5f615f089
[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" "81105a9da39ebb75533179a988f99e76cf23cbf64ffd3f44e9e4a9a5f615f089", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn erased_serde::Deserializer>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn erased_serde::Deserializer>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/id.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn erased_serde::Deserializer>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling cast v0.2.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling legion v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn erased_serde::Deserializer>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/mod.rs:323:36
[INFO] [stdout]     |
[INFO] [stdout] 323 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn erased_serde::Deserializer>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internals/serialize/id.rs:126:36
[INFO] [stdout]     |
[INFO] [stdout] 126 |             let mut deserializer = erased_serde::Deserializer::erase(deserializer);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `<dyn erased_serde::Deserializer>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 34.78s
[INFO] running `Command { std: "docker" "inspect" "81105a9da39ebb75533179a988f99e76cf23cbf64ffd3f44e9e4a9a5f615f089", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81105a9da39ebb75533179a988f99e76cf23cbf64ffd3f44e9e4a9a5f615f089", kill_on_drop: false }`
[INFO] [stdout] 81105a9da39ebb75533179a988f99e76cf23cbf64ffd3f44e9e4a9a5f615f089
