[INFO] fetching crate urpc 0.2.0... [INFO] checking urpc-0.2.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] extracting crate urpc 0.2.0 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate urpc 0.2.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate urpc 0.2.0 [INFO] finished tweaking crates.io crate urpc 0.2.0 [INFO] tweaked toml for crates.io crate urpc 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate crates.io crate urpc 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded postcard-cobs v0.1.5-pre [INFO] [stderr] Downloaded heapless v0.5.1 [INFO] [stderr] Downloaded as-slice v0.1.0 [INFO] [stderr] Downloaded serde_derive v1.0.102 [INFO] [stderr] Downloaded syn v1.0.8 [INFO] [stderr] Downloaded postcard v0.4.2 [INFO] [stderr] Downloaded hash32 v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 093600b9ce58be01db1496bd14d5057d3d4badd9d94b2fd50e011eadd06e90d0 [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" "093600b9ce58be01db1496bd14d5057d3d4badd9d94b2fd50e011eadd06e90d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "093600b9ce58be01db1496bd14d5057d3d4badd9d94b2fd50e011eadd06e90d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "093600b9ce58be01db1496bd14d5057d3d4badd9d94b2fd50e011eadd06e90d0", kill_on_drop: false }` [INFO] [stdout] 093600b9ce58be01db1496bd14d5057d3d4badd9d94b2fd50e011eadd06e90d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c942f0492faed0337bc78ca37b67d21b048db406a0d7d5b4f72342d230368b77 [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" "c942f0492faed0337bc78ca37b67d21b048db406a0d7d5b4f72342d230368b77", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling heapless v0.5.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking postcard-cobs v0.1.5-pre [INFO] [stderr] Checking hex v0.4.0 [INFO] [stderr] Checking hash32 v0.1.0 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Checking generic-array v0.13.2 [INFO] [stderr] Checking as-slice v0.1.0 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Checking postcard v0.4.2 [INFO] [stderr] Checking urpc v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/client.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use core::mem::{self, swap}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/client.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use core::mem::{self, swap}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `write_buf_len` is never read [INFO] [stdout] --> examples/requests.rs:76:17 [INFO] [stdout] | [INFO] [stdout] 76 | let mut write_buf_len = 0; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `read_len` is never read [INFO] [stdout] --> examples/requests.rs:86:21 [INFO] [stdout] | [INFO] [stdout] 86 | read_len = consts::REQ_HEADER_LEN; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/requests.rs:99:37 [INFO] [stdout] | [INFO] [stdout] 99 | ... let mut opt_buf = recv_bytes.get_opt_buf(&mut write_buf); [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: constant `buf_len` should have an upper case name [INFO] [stdout] --> examples/requests.rs:29:11 [INFO] [stdout] | [INFO] [stdout] 29 | const buf_len: usize = 4096; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper case: `BUF_LEN` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 30.64s [INFO] running `Command { std: "docker" "inspect" "c942f0492faed0337bc78ca37b67d21b048db406a0d7d5b4f72342d230368b77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c942f0492faed0337bc78ca37b67d21b048db406a0d7d5b4f72342d230368b77", kill_on_drop: false }` [INFO] [stdout] c942f0492faed0337bc78ca37b67d21b048db406a0d7d5b4f72342d230368b77