[INFO] cloning repository https://github.com/carllerche/echo-benchmarks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/carllerche/echo-benchmarks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarllerche%2Fecho-benchmarks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarllerche%2Fecho-benchmarks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b262a359f3e61c09b6e22f256fe02c1c7720f6f4
[INFO] checking carllerche/echo-benchmarks against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcarllerche%2Fecho-benchmarks" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/carllerche/echo-benchmarks 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 git repo https://github.com/carllerche/echo-benchmarks
[INFO] finished tweaking git repo https://github.com/carllerche/echo-benchmarks
[INFO] tweaked toml for git repo https://github.com/carllerche/echo-benchmarks written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/carllerche/echo-benchmarks 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.2.0
[INFO] [stderr]   Downloaded tokio v1.6.1
[INFO] [stderr]   Downloaded libc v0.2.96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] ad1e07f90f16bf50420fcb40928686c1714040a762a5f56567c285678126dfe4
[INFO] running `Command { std: "docker" "start" "-a" "ad1e07f90f16bf50420fcb40928686c1714040a762a5f56567c285678126dfe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad1e07f90f16bf50420fcb40928686c1714040a762a5f56567c285678126dfe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad1e07f90f16bf50420fcb40928686c1714040a762a5f56567c285678126dfe4", kill_on_drop: false }`
[INFO] [stdout] ad1e07f90f16bf50420fcb40928686c1714040a762a5f56567c285678126dfe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] de6884c2b61578f7a0ce77e3ff6466f2534955f2911be6710f93f18dde495c9f
[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" "de6884c2b61578f7a0ce77e3ff6466f2534955f2911be6710f93f18dde495c9f", 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]   tokio v1.6.1: winapi
[INFO] [stderr] 
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking echo-benchmarks v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/async-echo-client.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/async-echo-server.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/blocking-echo-client.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/blocking-echo-server.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.22s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking echo-benchmarks v0.1.0 (/tmp/fixit)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "de6884c2b61578f7a0ce77e3ff6466f2534955f2911be6710f93f18dde495c9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6884c2b61578f7a0ce77e3ff6466f2534955f2911be6710f93f18dde495c9f", kill_on_drop: false }`
[INFO] [stdout] de6884c2b61578f7a0ce77e3ff6466f2534955f2911be6710f93f18dde495c9f