[INFO] fetching crate iron-pack 0.3.0...
[INFO] checking iron-pack-0.3.0 against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] extracting crate iron-pack 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate iron-pack 0.3.0 on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iron-pack 0.3.0
[INFO] finished tweaking crates.io crate iron-pack 0.3.0
[INFO] tweaked toml for crates.io crate iron-pack 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] 178362e9c0b860428f8667b59d1e083e08c3f99d7583349fa03cc7618bdfcc5a
[INFO] running `Command { std: "docker" "start" "-a" "178362e9c0b860428f8667b59d1e083e08c3f99d7583349fa03cc7618bdfcc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "178362e9c0b860428f8667b59d1e083e08c3f99d7583349fa03cc7618bdfcc5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178362e9c0b860428f8667b59d1e083e08c3f99d7583349fa03cc7618bdfcc5a", kill_on_drop: false }`
[INFO] [stdout] 178362e9c0b860428f8667b59d1e083e08c3f99d7583349fa03cc7618bdfcc5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e45666e15c84f1d03a0aabd6e43d3560f4a2f1a5344729917146a79d5b9a2653
[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" "e45666e15c84f1d03a0aabd6e43d3560f4a2f1a5344729917146a79d5b9a2653", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking alloc-no-stdlib v1.2.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking iron-test v0.6.0
[INFO] [stderr]     Checking brotli-decompressor v1.2.1
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking brotli v1.2.0
[INFO] [stderr]     Checking iron-pack v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct BrotliBody(Box<WriteBody>);
[INFO] [stdout]    |                       ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[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/lib.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct GzipBody(Box<WriteBody>);
[INFO] [stdout]    |                     ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct DeflateBody(Box<WriteBody>);
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:63
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn get_body(encoding: &CompressionEncoding, wrapped_body: Box<WriteBody>) -> Box<WriteBody> {
[INFO] [stdout]    |                                                               ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:82
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn get_body(encoding: &CompressionEncoding, wrapped_body: Box<WriteBody>) -> Box<WriteBody> {
[INFO] [stdout]    |                                                                                  ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct BrotliBody(Box<WriteBody>);
[INFO] [stdout]    |                       ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[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/lib.rs:30:38
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:40:21
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct GzipBody(Box<WriteBody>);
[INFO] [stdout]    |                     ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:50:24
[INFO] [stdout]    |
[INFO] [stdout] 50 | struct DeflateBody(Box<WriteBody>);
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:53:38
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn write_body(&mut self, w: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                      ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:63
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn get_body(encoding: &CompressionEncoding, wrapped_body: Box<WriteBody>) -> Box<WriteBody> {
[INFO] [stdout]    |                                                               ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:68:82
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn get_body(encoding: &CompressionEncoding, wrapped_body: Box<WriteBody>) -> Box<WriteBody> {
[INFO] [stdout]    |                                                                                  ^^^^^^^^^ help: use `dyn`: `dyn WriteBody`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.13s
[INFO] running `Command { std: "docker" "inspect" "e45666e15c84f1d03a0aabd6e43d3560f4a2f1a5344729917146a79d5b9a2653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e45666e15c84f1d03a0aabd6e43d3560f4a2f1a5344729917146a79d5b9a2653", kill_on_drop: false }`
[INFO] [stdout] e45666e15c84f1d03a0aabd6e43d3560f4a2f1a5344729917146a79d5b9a2653