[INFO] fetching crate mtproxy 0.0.2...
[INFO] checking mtproxy-0.0.2 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate mtproxy 0.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mtproxy 0.0.2 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mtproxy 0.0.2
[INFO] finished tweaking crates.io crate mtproxy 0.0.2
[INFO] tweaked toml for crates.io crate mtproxy 0.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39a4f3fba2d49454933d0617717f894ad3762e2ba1020ca9cb8e99fbe95a9235
[INFO] running `Command { std: "docker" "start" "-a" "39a4f3fba2d49454933d0617717f894ad3762e2ba1020ca9cb8e99fbe95a9235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39a4f3fba2d49454933d0617717f894ad3762e2ba1020ca9cb8e99fbe95a9235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a4f3fba2d49454933d0617717f894ad3762e2ba1020ca9cb8e99fbe95a9235", kill_on_drop: false }`
[INFO] [stdout] 39a4f3fba2d49454933d0617717f894ad3762e2ba1020ca9cb8e99fbe95a9235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b231a82a710ec8a57dd52686f702215bda62d856a58673a3d567a1cddbef370d
[INFO] running `Command { std: "docker" "start" "-a" "b231a82a710ec8a57dd52686f702215bda62d856a58673a3d567a1cddbef370d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking mtproxy v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy.rs:154:11
[INFO] [stdout]     |
[INFO] [stdout] 154 |       let mut pump = pump.borrow_mut();
[INFO] [stdout]     |           ----^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy.rs:154:11
[INFO] [stdout]     |
[INFO] [stdout] 154 |       let mut pump = pump.borrow_mut();
[INFO] [stdout]     |           ----^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/pump.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 |           buf.split_off(n);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |           let _ = buf.split_off(n);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/pump.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 |           buf.split_off(n);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |           let _ = buf.split_off(n);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mtproxy` (bin "mtproxy") due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mtproxy` (bin "mtproxy" test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "b231a82a710ec8a57dd52686f702215bda62d856a58673a3d567a1cddbef370d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b231a82a710ec8a57dd52686f702215bda62d856a58673a3d567a1cddbef370d", kill_on_drop: false }`
[INFO] [stdout] b231a82a710ec8a57dd52686f702215bda62d856a58673a3d567a1cddbef370d
[INFO] checking mtproxy-0.0.2 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate mtproxy 0.0.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate mtproxy 0.0.2 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mtproxy 0.0.2
[INFO] finished tweaking crates.io crate mtproxy 0.0.2
[INFO] tweaked toml for crates.io crate mtproxy 0.0.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 056762861e002529f2f9707ff6bffcdc24ee74801e9d63595c840fdced52b8d0
[INFO] running `Command { std: "docker" "start" "-a" "056762861e002529f2f9707ff6bffcdc24ee74801e9d63595c840fdced52b8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "056762861e002529f2f9707ff6bffcdc24ee74801e9d63595c840fdced52b8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "056762861e002529f2f9707ff6bffcdc24ee74801e9d63595c840fdced52b8d0", kill_on_drop: false }`
[INFO] [stdout] 056762861e002529f2f9707ff6bffcdc24ee74801e9d63595c840fdced52b8d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e28d7f52920f31c62124bc264f4846cd46754f2f1502ebe101177112040150a9
[INFO] running `Command { std: "docker" "start" "-a" "e28d7f52920f31c62124bc264f4846cd46754f2f1502ebe101177112040150a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking mtproxy v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:58:26
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let key_iv_enc = buf[8..56].to_vec();
[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(range_syntax)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:60:61
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut enc = aes::ctr(KeySize::KeySize256, &key_iv_enc[0..32], &key_iv_enc[32..48]);
[INFO] [stdout]    |                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:60:81
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut enc = aes::ctr(KeySize::KeySize256, &key_iv_enc[0..32], &key_iv_enc[32..48]);
[INFO] [stdout]    |                                                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:61:57
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let dec = aes::ctr(KeySize::KeySize256, &key_iv_dec[0..32], &key_iv_dec[32..48]);
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:61:77
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let dec = aes::ctr(KeySize::KeySize256, &key_iv_dec[0..32], &key_iv_dec[32..48]);
[INFO] [stdout]    |                                                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 |     for n in 56..64 {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |     hash.input(&[&buf[8..40], &secret].concat());
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:82:35
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let key_iv_rev: Vec<u8> = buf[8..56].iter().cloned().rev().collect();
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |     hash.input(&[&key_iv_rev[0..32], &secret].concat());
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:89:64
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut dec = aes::ctr(KeySize::KeySize256, &dec_key, &buf[40..56]);
[INFO] [stdout]    |                                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:90:67
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let enc = aes::ctr(KeySize::KeySize256, &enc_key, &key_iv_rev[32..48]);
[INFO] [stdout]    |                                                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let dc = buf_dec[60..62].into_buf().get_i16_le().abs();
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:58:26
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let key_iv_enc = buf[8..56].to_vec();
[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(range_syntax)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:60:61
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut enc = aes::ctr(KeySize::KeySize256, &key_iv_enc[0..32], &key_iv_enc[32..48]);
[INFO] [stdout]    |                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:60:81
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let mut enc = aes::ctr(KeySize::KeySize256, &key_iv_enc[0..32], &key_iv_enc[32..48]);
[INFO] [stdout]    |                                                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:61:57
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let dec = aes::ctr(KeySize::KeySize256, &key_iv_dec[0..32], &key_iv_dec[32..48]);
[INFO] [stdout]    |                                                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:61:77
[INFO] [stdout]    |
[INFO] [stdout] 61 |     let dec = aes::ctr(KeySize::KeySize256, &key_iv_dec[0..32], &key_iv_dec[32..48]);
[INFO] [stdout]    |                                                                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 |     for n in 56..64 {
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |     hash.input(&[&buf[8..40], &secret].concat());
[INFO] [stdout]    |                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:82:35
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let key_iv_rev: Vec<u8> = buf[8..56].iter().cloned().rev().collect();
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:86:30
[INFO] [stdout]    |
[INFO] [stdout] 86 |     hash.input(&[&key_iv_rev[0..32], &secret].concat());
[INFO] [stdout]    |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:89:64
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut dec = aes::ctr(KeySize::KeySize256, &dec_key, &buf[40..56]);
[INFO] [stdout]    |                                                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:90:67
[INFO] [stdout]    |
[INFO] [stdout] 90 |     let enc = aes::ctr(KeySize::KeySize256, &enc_key, &key_iv_rev[32..48]);
[INFO] [stdout]    |                                                                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: usage of `Range` range syntax
[INFO] [stdout]   --> src/proto.rs:96:22
[INFO] [stdout]    |
[INFO] [stdout] 96 |     let dc = buf_dec[60..62].into_buf().get_i16_le().abs();
[INFO] [stdout]    |                      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[deny(bare_trait_objects)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |   dec: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/proto.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<SynchronousStreamCipher>,
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |   enc: Box<dyn SynchronousStreamCipher>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy.rs:154:11
[INFO] [stdout]     |
[INFO] [stdout] 154 |       let mut pump = pump.borrow_mut();
[INFO] [stdout]     |           ----^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: variable does not need to be mutable
[INFO] [stdout]    --> src/proxy.rs:154:11
[INFO] [stdout]     |
[INFO] [stdout] 154 |       let mut pump = pump.borrow_mut();
[INFO] [stdout]     |           ----^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(unused_mut)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/pump.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 |           buf.split_off(n);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |           let _ = buf.split_off(n);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]    --> src/pump.rs:105:11
[INFO] [stdout]     |
[INFO] [stdout] 105 |           buf.split_off(n);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]     = note: `#[deny(unused_must_use)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |           let _ = buf.split_off(n);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mtproxy` (bin "mtproxy") due to 17 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `mtproxy` (bin "mtproxy" test) due to 17 previous errors
[INFO] running `Command { std: "docker" "inspect" "e28d7f52920f31c62124bc264f4846cd46754f2f1502ebe101177112040150a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e28d7f52920f31c62124bc264f4846cd46754f2f1502ebe101177112040150a9", kill_on_drop: false }`
[INFO] [stdout] e28d7f52920f31c62124bc264f4846cd46754f2f1502ebe101177112040150a9
