[INFO] cloning repository https://github.com/gcxfd/rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gcxfd/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcxfd%2Frust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcxfd%2Frust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99ede10cf7a6d2e63bb391d921f2e7d20451625b
[INFO] checking gcxfd/rust against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcxfd%2Frust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gcxfd/rust on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gcxfd/rust
[INFO] finished tweaking git repo https://github.com/gcxfd/rust
[INFO] tweaked toml for git repo https://github.com/gcxfd/rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/gcxfd/rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97389fbfd82d01946cfb7f0165533f082deaca2c8deb588895ef85496c820a68
[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" "97389fbfd82d01946cfb7f0165533f082deaca2c8deb588895ef85496c820a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97389fbfd82d01946cfb7f0165533f082deaca2c8deb588895ef85496c820a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97389fbfd82d01946cfb7f0165533f082deaca2c8deb588895ef85496c820a68", kill_on_drop: false }`
[INFO] [stdout] 97389fbfd82d01946cfb7f0165533f082deaca2c8deb588895ef85496c820a68
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c4148c961310abff47ec00b62d8b5624aa3f362fef1f85fac0fb1a8f17249cf
[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" "6c4148c961310abff47ec00b62d8b5624aa3f362fef1f85fac0fb1a8f17249cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
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[INFO] [stderr]     Checking rand_chacha v0.3.0
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[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]    Compiling zstd-sys v1.4.19+zstd.1.4.8
[INFO] [stderr]    Compiling blake3 v0.3.7
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking zeroize v1.2.0
[INFO] [stderr]     Checking curve25519-dalek-ng v4.0.1
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking sled v0.34.6
[INFO] [stderr]     Checking fern v0.6.0
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking ed25519-dalek-blake2b v1.0.2
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking curve25519-dalek v3.0.2
[INFO] [stderr]     Checking x25519-dalek v1.1.0
[INFO] [stderr]     Checking zstd v0.6.0+zstd.1.4.8
[INFO] [stderr]     Checking rmw-srv v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `milli`
[INFO] [stdout]  --> src/listen.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lib::now::{milli, sec};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `milli`
[INFO] [stdout]  --> src/listen.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lib::now::{milli, sec};
[INFO] [stdout]   |                       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/lib/connecting.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub fn pop(&self, ip: &Key) -> bool {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/lib/connecting.rs:33:10
[INFO] [stdout]    |
[INFO] [stdout] 33 |   pub fn pop(&self, ip: &Key) -> bool {
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `milli`
[INFO] [stdout]   --> src/lib/now.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn milli() -> u128 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `milli`
[INFO] [stdout]   --> src/lib/now.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn milli() -> u128 {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 45s
[INFO] running `Command { std: "docker" "inspect" "6c4148c961310abff47ec00b62d8b5624aa3f362fef1f85fac0fb1a8f17249cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4148c961310abff47ec00b62d8b5624aa3f362fef1f85fac0fb1a8f17249cf", kill_on_drop: false }`
[INFO] [stdout] 6c4148c961310abff47ec00b62d8b5624aa3f362fef1f85fac0fb1a8f17249cf