[INFO] cloning repository https://github.com/llogiq/serdebench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llogiq/serdebench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Fserdebench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Fserdebench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4b94818c1e00d57291cfc62b65b8a24b76d7e49
[INFO] checking llogiq/serdebench against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Fserdebench" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/llogiq/serdebench on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/llogiq/serdebench
[INFO] finished tweaking git repo https://github.com/llogiq/serdebench
[INFO] tweaked toml for git repo https://github.com/llogiq/serdebench written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/llogiq/serdebench already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00ef269c4315e2a2b282e105fad44f6699e9e3cae83d6b121bd0cdbdda1a0631
[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" "00ef269c4315e2a2b282e105fad44f6699e9e3cae83d6b121bd0cdbdda1a0631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00ef269c4315e2a2b282e105fad44f6699e9e3cae83d6b121bd0cdbdda1a0631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00ef269c4315e2a2b282e105fad44f6699e9e3cae83d6b121bd0cdbdda1a0631", kill_on_drop: false }`
[INFO] [stdout] 00ef269c4315e2a2b282e105fad44f6699e9e3cae83d6b121bd0cdbdda1a0631
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d08bb374fa67047b222f2d1d84ef92761f8fb299837cc9e9cb2e9a6390116a02
[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" "d08bb374fa67047b222f2d1d84ef92761f8fb299837cc9e9cb2e9a6390116a02", kill_on_drop: false }`
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking postcard-cobs v0.1.5-pre
[INFO] [stderr]     Checking capnp v0.13.6
[INFO] [stderr]     Checking abomonation v0.7.3 (https://github.com/TimelyDataflow/abomonation#c2b23534)
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking float-cmp v0.7.0
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]    Compiling abomonation_derive v0.5.0
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking halfbrown v0.1.11
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Checking ron v0.6.2
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking value-trait v0.1.18
[INFO] [stderr]     Checking postcard v0.5.1
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking simd-json v0.3.22
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]    Compiling simd-json-derive-int v0.1.4
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking flexbuffers v0.1.1
[INFO] [stderr]     Checking simd-json-derive v0.1.15
[INFO] [stderr]     Checking serdebench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> benches/bench.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter;
[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 56.92s
[INFO] running `Command { std: "docker" "inspect" "d08bb374fa67047b222f2d1d84ef92761f8fb299837cc9e9cb2e9a6390116a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d08bb374fa67047b222f2d1d84ef92761f8fb299837cc9e9cb2e9a6390116a02", kill_on_drop: false }`
[INFO] [stdout] d08bb374fa67047b222f2d1d84ef92761f8fb299837cc9e9cb2e9a6390116a02