[INFO] fetching crate mtproxy 0.0.2... [INFO] testing mtproxy-0.0.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate mtproxy 0.0.2 into /workspace/builds/worker-70/source [INFO] validating manifest of crates.io crate mtproxy 0.0.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-70/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6bac83bd9dcdaf053ba946f30c10053bb2580ce9477deb66c2ddc3ea4d2509d [INFO] running `Command { std: "docker" "start" "-a" "b6bac83bd9dcdaf053ba946f30c10053bb2580ce9477deb66c2ddc3ea4d2509d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6bac83bd9dcdaf053ba946f30c10053bb2580ce9477deb66c2ddc3ea4d2509d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6bac83bd9dcdaf053ba946f30c10053bb2580ce9477deb66c2ddc3ea4d2509d", kill_on_drop: false }` [INFO] [stdout] b6bac83bd9dcdaf053ba946f30c10053bb2580ce9477deb66c2ddc3ea4d2509d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28a5d2e7b027851275f289e38b06f0150200f274a35d68f901b9ee88cc39d4b2 [INFO] running `Command { std: "docker" "start" "-a" "28a5d2e7b027851275f289e38b06f0150200f274a35d68f901b9ee88cc39d4b2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling termcolor v1.1.2 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling 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, [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] = 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 [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, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn SynchronousStreamCipher` [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 [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: 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_mut)]` implied by `#[deny(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unused return value of `Vec::::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: 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_must_use)]` implied by `#[deny(warnings)]` [INFO] [stdout] = note: use `.truncate()` if you don't need the other half [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mtproxy` due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "28a5d2e7b027851275f289e38b06f0150200f274a35d68f901b9ee88cc39d4b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28a5d2e7b027851275f289e38b06f0150200f274a35d68f901b9ee88cc39d4b2", kill_on_drop: false }` [INFO] [stdout] 28a5d2e7b027851275f289e38b06f0150200f274a35d68f901b9ee88cc39d4b2