[INFO] cloning repository https://github.com/notseanray/backlink
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/notseanray/backlink" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotseanray%2Fbacklink", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotseanray%2Fbacklink'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54844aa85c02bb7b413d856682f3d9e6a8137690
[INFO] checking notseanray/backlink against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotseanray%2Fbacklink" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/notseanray/backlink
[INFO] finished tweaking git repo https://github.com/notseanray/backlink
[INFO] tweaked toml for git repo https://github.com/notseanray/backlink written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/notseanray/backlink on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/notseanray/backlink already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded multipart v0.18.0
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[INFO] running `Command { std: "docker" "start" "-a" "d166fa92d6f002f3293c0f9e2ddb46dd0ec02e5ca89b4dea67c9745e9299fca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d166fa92d6f002f3293c0f9e2ddb46dd0ec02e5ca89b4dea67c9745e9299fca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d166fa92d6f002f3293c0f9e2ddb46dd0ec02e5ca89b4dea67c9745e9299fca6", kill_on_drop: false }`
[INFO] [stdout] d166fa92d6f002f3293c0f9e2ddb46dd0ec02e5ca89b4dea67c9745e9299fca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77c1351dfd793f05f78b303807cfcd1718c337964b81a2d4a2c5dcc1a78b0c3a
[INFO] running `Command { std: "docker" "start" "-a" "77c1351dfd793f05f78b303807cfcd1718c337964b81a2d4a2c5dcc1a78b0c3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
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[INFO] [stdout] warning: unused import: `serde_json::from_str`
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::from_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::*`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use config::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]  --> src/config.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct Config {
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `load` and `parse` are never used
[INFO] [stdout]   --> src/config.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Config {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 20 |     pub(crate) fn load() {}
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     fn parse() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::from_str`
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::from_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::*`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use config::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]  --> src/config.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct Config {
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `load` and `parse` are never used
[INFO] [stdout]   --> src/config.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Config {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 20 |     pub(crate) fn load() {}
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     fn parse() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::from_str`
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::from_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `record::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use record::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::Config`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use config::Config;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/main.rs:74:47
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 notify::DebouncedEvent::Write(v) => {},
[INFO] [stdout]    |                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `file_ending` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let file_ending;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_file_ending` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/main.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let value = p
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_ending` is never read
[INFO] [stdout]    --> src/main.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         file_ending = "pdf";
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_ending` is never read
[INFO] [stdout]    --> src/main.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         file_ending = "png";
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BackupCmd` is never constructed
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct BackupCmd<'a> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `run`, and `check_room` are never used
[INFO] [stdout]   --> src/main.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl <'a>BackupCmd<'a> {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 29 |     pub(crate) fn new() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub(crate) fn run(&self) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn check_room() -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]  --> src/config.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct Config {
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `load` and `parse` are never used
[INFO] [stdout]   --> src/config.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Config {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 20 |     pub(crate) fn load() {}
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     fn parse() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]  --> src/record.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Record {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecordKeeper` is never constructed
[INFO] [stdout]  --> src/record.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct RecordKeeper {
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `write_loop` is never used
[INFO] [stdout]   --> src/record.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl RecordKeeper {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 13 |     pub(crate) fn write_loop() {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_json::from_str`
[INFO] [stdout]  --> src/config.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_json::from_str;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `record::*`
[INFO] [stdout]   --> src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use record::*;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `config::Config`
[INFO] [stdout]   --> src/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use config::Config;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]   --> src/main.rs:74:47
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 notify::DebouncedEvent::Write(v) => {},
[INFO] [stdout]    |                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `file_ending` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |             let file_ending;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_file_ending` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/main.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let value = p
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_ending` is never read
[INFO] [stdout]    --> src/main.rs:106:25
[INFO] [stdout]     |
[INFO] [stdout] 106 |                         file_ending = "pdf";
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `file_ending` is never read
[INFO] [stdout]    --> src/main.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         file_ending = "png";
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BackupCmd` is never constructed
[INFO] [stdout]   --> src/main.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct BackupCmd<'a> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `run`, and `check_room` are never used
[INFO] [stdout]   --> src/main.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl <'a>BackupCmd<'a> {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] 29 |     pub(crate) fn new() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub(crate) fn run(&self) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn check_room() -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]  --> src/config.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct Config {
[INFO] [stdout]   |                   ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `load` and `parse` are never used
[INFO] [stdout]   --> src/config.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Config {
[INFO] [stdout]    | ----------- associated functions in this implementation
[INFO] [stdout] 20 |     pub(crate) fn load() {}
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 21 |
[INFO] [stdout] 22 |     fn parse() -> Result<Self, Box<dyn Error>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Record` is never constructed
[INFO] [stdout]  --> src/record.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Record {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RecordKeeper` is never constructed
[INFO] [stdout]  --> src/record.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub(crate) struct RecordKeeper {
[INFO] [stdout]   |                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `write_loop` is never used
[INFO] [stdout]   --> src/record.rs:13:19
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl RecordKeeper {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 13 |     pub(crate) fn write_loop() {
[INFO] [stdout]    |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.08s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "77c1351dfd793f05f78b303807cfcd1718c337964b81a2d4a2c5dcc1a78b0c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c1351dfd793f05f78b303807cfcd1718c337964b81a2d4a2c5dcc1a78b0c3a", kill_on_drop: false }`
[INFO] [stdout] 77c1351dfd793f05f78b303807cfcd1718c337964b81a2d4a2c5dcc1a78b0c3a
