[INFO] cloning repository https://github.com/artemist/rjournald
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/artemist/rjournald" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartemist%2Frjournald", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartemist%2Frjournald'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5cc0b45db4e23ef5be7bb32a499f2501c480bcdd
[INFO] checking artemist/rjournald against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartemist%2Frjournald" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/artemist/rjournald 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 git repo https://github.com/artemist/rjournald
[INFO] finished tweaking git repo https://github.com/artemist/rjournald
[INFO] tweaked toml for git repo https://github.com/artemist/rjournald written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/artemist/rjournald 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] 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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1c6c4c2bb67bbbf481b4e309535892789396ba97bfb317de95c89af577a4b84
[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" "d1c6c4c2bb67bbbf481b4e309535892789396ba97bfb317de95c89af577a4b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1c6c4c2bb67bbbf481b4e309535892789396ba97bfb317de95c89af577a4b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c6c4c2bb67bbbf481b4e309535892789396ba97bfb317de95c89af577a4b84", kill_on_drop: false }`
[INFO] [stdout] d1c6c4c2bb67bbbf481b4e309535892789396ba97bfb317de95c89af577a4b84
[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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 8955e90c906fa17edf67c9d96d680d4e2b391af6d36940372e9354bed38fc411
[INFO] running `Command { std: "docker" "start" "-a" "8955e90c906fa17edf67c9d96d680d4e2b391af6d36940372e9354bed38fc411", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking vec-arena v1.1.0
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking polling v2.0.3
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nb-connect v1.1.0
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking rjournald v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `new_header`
[INFO] [stdout]   --> src/binary/writer.rs:54:36
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn write_header(&mut self, new_header: &Header) {}
[INFO] [stdout]    |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `submission`
[INFO] [stdout]   --> src/collector/journald.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     submission: Sender<()>,
[INFO] [stdout]    |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_submission`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/collector/journald.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let message = read_message(listener.clone()).await;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/collector/journald.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let entry = Entry::new();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_idx`
[INFO] [stdout]    --> src/collector/journald.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let last_idx = 0usize;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/collector/journald.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 |     for (idx, b) in message.iter().enumerate() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> src/collector/journald.rs:112:34
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn parse_message(message: &[u8], pid: pid_t, uid: uid_t, gid: gid_t) -> anyhow::Result<Entry> {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uid`
[INFO] [stdout]    --> src/collector/journald.rs:112:46
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn parse_message(message: &[u8], pid: pid_t, uid: uid_t, gid: gid_t) -> anyhow::Result<Entry> {
[INFO] [stdout]     |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_uid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gid`
[INFO] [stdout]    --> src/collector/journald.rs:112:58
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn parse_message(message: &[u8], pid: pid_t, uid: uid_t, gid: gid_t) -> anyhow::Result<Entry> {
[INFO] [stdout]     |                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_gid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `new_header`
[INFO] [stdout]   --> src/binary/writer.rs:54:36
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn write_header(&mut self, new_header: &Header) {}
[INFO] [stdout]    |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_header`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `submission`
[INFO] [stdout]   --> src/collector/journald.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     submission: Sender<()>,
[INFO] [stdout]    |     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_submission`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `message`
[INFO] [stdout]   --> src/collector/journald.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let message = read_message(listener.clone()).await;
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/collector/journald.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let entry = Entry::new();
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_idx`
[INFO] [stdout]    --> src/collector/journald.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let last_idx = 0usize;
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `idx`
[INFO] [stdout]    --> src/collector/journald.rs:117:10
[INFO] [stdout]     |
[INFO] [stdout] 117 |     for (idx, b) in message.iter().enumerate() {
[INFO] [stdout]     |          ^^^ help: if this is intentional, prefix it with an underscore: `_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pid`
[INFO] [stdout]    --> src/collector/journald.rs:112:34
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn parse_message(message: &[u8], pid: pid_t, uid: uid_t, gid: gid_t) -> anyhow::Result<Entry> {
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_pid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `uid`
[INFO] [stdout]    --> src/collector/journald.rs:112:46
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn parse_message(message: &[u8], pid: pid_t, uid: uid_t, gid: gid_t) -> anyhow::Result<Entry> {
[INFO] [stdout]     |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_uid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `gid`
[INFO] [stdout]    --> src/collector/journald.rs:112:58
[INFO] [stdout]     |
[INFO] [stdout] 112 | fn parse_message(message: &[u8], pid: pid_t, uid: uid_t, gid: gid_t) -> anyhow::Result<Entry> {
[INFO] [stdout]     |                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_gid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `min_const_generics` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(min_const_generics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.27s
[INFO] running `Command { std: "docker" "inspect" "8955e90c906fa17edf67c9d96d680d4e2b391af6d36940372e9354bed38fc411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8955e90c906fa17edf67c9d96d680d4e2b391af6d36940372e9354bed38fc411", kill_on_drop: false }`
[INFO] [stdout] 8955e90c906fa17edf67c9d96d680d4e2b391af6d36940372e9354bed38fc411