[INFO] crate rustbus 0.17.0 is already in cache
[INFO] checking rustbus-0.17.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate rustbus 0.17.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rustbus 0.17.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustbus 0.17.0
[INFO] finished tweaking crates.io crate rustbus 0.17.0
[INFO] tweaked toml for crates.io crate rustbus 0.17.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rustbus 0.17.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] 8d40bf38704692a5406e8039d746e1b2588da19add42d51a2620596a1e7896d5
[INFO] running `Command { std: "docker" "start" "-a" "8d40bf38704692a5406e8039d746e1b2588da19add42d51a2620596a1e7896d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d40bf38704692a5406e8039d746e1b2588da19add42d51a2620596a1e7896d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d40bf38704692a5406e8039d746e1b2588da19add42d51a2620596a1e7896d5", kill_on_drop: false }`
[INFO] [stdout] 8d40bf38704692a5406e8039d746e1b2588da19add42d51a2620596a1e7896d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df8eec04030bc264cada674da5894e73dab4757f3b1777380e8addace24d28d2
[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" "df8eec04030bc264cada674da5894e73dab4757f3b1777380e8addace24d28d2", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   syn v1.0.74 (as host dependency): full, visit
[INFO] [stderr] 
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]    Compiling rustbus_derive v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking rustbus v0.17.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/create_corpus.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/fuzz_artifact.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/bin/perf_test.rs from 2018 edition to 2021
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]    Migrating examples/deriving.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/sig.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/user_defined_types.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/dispatch.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/systemd_example.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/fd.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating benches/marshal_benchmark.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/server.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/conn.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/tests/verify_padding.rs (1 fix)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.05s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling rustbus_derive v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking rustbus v0.17.0 (/tmp/fixit)
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]    --> benches/marshal_benchmark.rs:31:9
[INFO] [stdout]     |
[INFO] [stdout] 31  |     use std::convert::TryFrom;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.35s
[INFO] running `Command { std: "docker" "inspect" "df8eec04030bc264cada674da5894e73dab4757f3b1777380e8addace24d28d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8eec04030bc264cada674da5894e73dab4757f3b1777380e8addace24d28d2", kill_on_drop: false }`
[INFO] [stdout] df8eec04030bc264cada674da5894e73dab4757f3b1777380e8addace24d28d2