[INFO] fetching crate urpc 0.2.0... [INFO] checking urpc-0.2.0 against master#7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 for pr-85387 [INFO] extracting crate urpc 0.2.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate urpc 0.2.0 on toolchain 7dc9ff5c629753b6930ecfe9a0446538b8e25fb7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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-5/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded syn v1.0.8 [INFO] [stderr] Downloaded serde v1.0.102 [INFO] [stderr] Downloaded hex v0.4.0 [INFO] [stderr] Downloaded heapless v0.5.1 [INFO] [stderr] Downloaded as-slice v0.1.0 [INFO] [stderr] Downloaded postcard v0.4.2 [INFO] [stderr] Downloaded hash32 v0.1.0 [INFO] [stderr] Downloaded postcard-cobs v0.1.5-pre [INFO] [stderr] Downloaded serde_derive v1.0.102 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a1d24bdaa4be894466d29c65e05b1669bc367675ea8bb80853781cb49122d8b4 [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" "a1d24bdaa4be894466d29c65e05b1669bc367675ea8bb80853781cb49122d8b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1d24bdaa4be894466d29c65e05b1669bc367675ea8bb80853781cb49122d8b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1d24bdaa4be894466d29c65e05b1669bc367675ea8bb80853781cb49122d8b4", kill_on_drop: false }` [INFO] [stdout] a1d24bdaa4be894466d29c65e05b1669bc367675ea8bb80853781cb49122d8b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+7dc9ff5c629753b6930ecfe9a0446538b8e25fb7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86b9364f99ff8890e621b574d4cdd3eeacc432d0f3d4442dccd3da23260b76c9 [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" "86b9364f99ff8890e621b574d4cdd3eeacc432d0f3d4442dccd3da23260b76c9", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling serde v1.0.102 [INFO] [stderr] Compiling heapless v0.5.1 [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 as-slice v0.1.0 [INFO] [stderr] Compiling quote v1.0.2 [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 24.17s [INFO] running `Command { std: "docker" "inspect" "86b9364f99ff8890e621b574d4cdd3eeacc432d0f3d4442dccd3da23260b76c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86b9364f99ff8890e621b574d4cdd3eeacc432d0f3d4442dccd3da23260b76c9", kill_on_drop: false }` [INFO] [stdout] 86b9364f99ff8890e621b574d4cdd3eeacc432d0f3d4442dccd3da23260b76c9