[INFO] fetching crate emailmessage 0.2.2... [INFO] checking emailmessage-0.2.2 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789 [INFO] extracting crate emailmessage 0.2.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate emailmessage 0.2.2 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate emailmessage 0.2.2 [INFO] finished tweaking crates.io crate emailmessage 0.2.2 [INFO] tweaked toml for crates.io crate emailmessage 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d0644491db19d3f4457dbe396644a303039eb7aadbec11805197e1ccda8ec92 [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" "5d0644491db19d3f4457dbe396644a303039eb7aadbec11805197e1ccda8ec92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d0644491db19d3f4457dbe396644a303039eb7aadbec11805197e1ccda8ec92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d0644491db19d3f4457dbe396644a303039eb7aadbec11805197e1ccda8ec92", kill_on_drop: false }` [INFO] [stdout] 5d0644491db19d3f4457dbe396644a303039eb7aadbec11805197e1ccda8ec92 [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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e656486e5e470bfd628e6b81da8cd5b47a7fd3ac876b416f7018fdbf85dfb9f [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" "2e656486e5e470bfd628e6b81da8cd5b47a7fd3ac876b416f7018fdbf85dfb9f", kill_on_drop: false }` [INFO] [stderr] Checking quoted_printable v0.4.3 [INFO] [stderr] Checking serde v1.0.125 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Checking want v0.2.0 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking parking_lot_core v0.6.2 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking hyperx v0.13.2 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking h2 v0.1.26 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking textnonce v0.6.5 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking emailmessage v0.2.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:35:40 [INFO] [stdout] | [INFO] [stdout] 35 | fn encode_chunk(&mut self, input: &Buf) -> Result; [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:45:39 [INFO] [stdout] | [INFO] [stdout] 45 | fn encode_all(&mut self, source: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:74:40 [INFO] [stdout] | [INFO] [stdout] 74 | fn encode_chunk(&mut self, chunk: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:94:40 [INFO] [stdout] | [INFO] [stdout] 94 | fn encode_chunk(&mut self, chunk: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:116:40 [INFO] [stdout] | [INFO] [stdout] 116 | fn encode_chunk(&mut self, chunk: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:199:40 [INFO] [stdout] | [INFO] [stdout] 199 | fn encode_chunk(&mut self, chunk: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:244:40 [INFO] [stdout] | [INFO] [stdout] 244 | fn encode_chunk(&mut self, chunk: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:253:18 [INFO] [stdout] | [INFO] [stdout] 253 | encoder: Box, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EncoderCodec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:257:69 [INFO] [stdout] | [INFO] [stdout] 257 | pub fn codec(encoding: Option<&ContentTransferEncoding>) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EncoderCodec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:274:40 [INFO] [stdout] | [INFO] [stdout] 274 | pub fn new(source: S, encoder: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EncoderCodec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:35:40 [INFO] [stdout] | [INFO] [stdout] 35 | fn encode_chunk(&mut self, input: &Buf) -> Result; [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:45:39 [INFO] [stdout] | [INFO] [stdout] 45 | fn encode_all(&mut self, source: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:74:40 [INFO] [stdout] | [INFO] [stdout] 74 | fn encode_chunk(&mut self, chunk: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:94:40 [INFO] [stdout] | [INFO] [stdout] 94 | fn encode_chunk(&mut self, chunk: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:116:40 [INFO] [stdout] | [INFO] [stdout] 116 | fn encode_chunk(&mut self, chunk: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:199:40 [INFO] [stdout] | [INFO] [stdout] 199 | fn encode_chunk(&mut self, chunk: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:244:40 [INFO] [stdout] | [INFO] [stdout] 244 | fn encode_chunk(&mut self, chunk: &Buf) -> Result { [INFO] [stdout] | ^^^ help: use `dyn`: `dyn Buf` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:253:18 [INFO] [stdout] | [INFO] [stdout] 253 | encoder: Box, [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EncoderCodec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:257:69 [INFO] [stdout] | [INFO] [stdout] 257 | pub fn codec(encoding: Option<&ContentTransferEncoding>) -> Box { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EncoderCodec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/encoder.rs:274:40 [INFO] [stdout] | [INFO] [stdout] 274 | pub fn new(source: S, encoder: Box) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^ help: use `dyn`: `dyn EncoderCodec` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mimebody.rs:648:21 [INFO] [stdout] | [INFO] [stdout] 648 | let mut chunk = BytesMut::with_capacity( [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/mimebody.rs:648:21 [INFO] [stdout] | [INFO] [stdout] 648 | let mut chunk = BytesMut::with_capacity( [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.61s [INFO] running `Command { std: "docker" "inspect" "2e656486e5e470bfd628e6b81da8cd5b47a7fd3ac876b416f7018fdbf85dfb9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e656486e5e470bfd628e6b81da8cd5b47a7fd3ac876b416f7018fdbf85dfb9f", kill_on_drop: false }` [INFO] [stdout] 2e656486e5e470bfd628e6b81da8cd5b47a7fd3ac876b416f7018fdbf85dfb9f