[INFO] updating cached repository https://github.com/dotcypress/mtproxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d37a77645e3dbc1306072ced35f54cdb458589a
[INFO] testing dotcypress/mtproxy against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdotcypress%2Fmtproxy" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dotcypress/mtproxy on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dotcypress/mtproxy
[INFO] finished tweaking git repo https://github.com/dotcypress/mtproxy
[INFO] tweaked toml for git repo https://github.com/dotcypress/mtproxy written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/dotcypress/mtproxy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8f0380eb808ac4674d6dc2a17b6ffcd73f1c3b72421f22c687e9d5ba61efd52
[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" "d8f0380eb808ac4674d6dc2a17b6ffcd73f1c3b72421f22c687e9d5ba61efd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8f0380eb808ac4674d6dc2a17b6ffcd73f1c3b72421f22c687e9d5ba61efd52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8f0380eb808ac4674d6dc2a17b6ffcd73f1c3b72421f22c687e9d5ba61efd52", kill_on_drop: false }`
[INFO] [stdout] d8f0380eb808ac4674d6dc2a17b6ffcd73f1c3b72421f22c687e9d5ba61efd52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 972b8cc85f8a8b1ae4216c02f7895851f3ba402819a7878f20ed7ed5cdafb1bb
[INFO] running `Command { std: "docker" "start" "-a" "972b8cc85f8a8b1ae4216c02f7895851f3ba402819a7878f20ed7ed5cdafb1bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling untrusted v0.6.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling lazycell v0.6.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling stderrlog v0.4.0
[INFO] [stderr]    Compiling ring v0.13.0-alpha5
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling webpki v0.18.0-alpha4
[INFO] [stderr]    Compiling sct v0.3.0
[INFO] [stderr]    Compiling webpki-roots v0.14.0
[INFO] [stderr]    Compiling rustls v0.12.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling mtproxy v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/main.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![deny(warnings)]
[INFO] [stdout]   |         ^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |   dec: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SynchronousStreamCipher`
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/main.rs:1:9
[INFO] [stdout]    |
[INFO] [stdout] 1  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |   enc: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SynchronousStreamCipher`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mtproxy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "972b8cc85f8a8b1ae4216c02f7895851f3ba402819a7878f20ed7ed5cdafb1bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "972b8cc85f8a8b1ae4216c02f7895851f3ba402819a7878f20ed7ed5cdafb1bb", kill_on_drop: false }`
[INFO] [stdout] 972b8cc85f8a8b1ae4216c02f7895851f3ba402819a7878f20ed7ed5cdafb1bb