[INFO] cloning repository https://github.com/andrechen77/metime
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andrechen77/metime" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrechen77%2Fmetime", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrechen77%2Fmetime'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 05cc700e5bf7db2f5a8553370481f70f31c81e98
[INFO] checking andrechen77/metime against master#4b9792692fbb675174d4d2082e7c37b2bc930e71 for pr-153692-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandrechen77%2Fmetime" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/andrechen77/metime
[INFO] finished tweaking git repo https://github.com/andrechen77/metime
[INFO] tweaked toml for git repo https://github.com/andrechen77/metime written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/andrechen77/metime on toolchain 4b9792692fbb675174d4d2082e7c37b2bc930e71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/andrechen77/metime 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" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v2.3.0
[INFO] [stderr]   Downloaded cc v1.0.104
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bca13d288f361be3f318a12824da20e8659314439d2c74ee1d99e99278380805
[INFO] running `Command { std: "docker" "start" "-a" "bca13d288f361be3f318a12824da20e8659314439d2c74ee1d99e99278380805", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9cf1adbdf8676a4a41d348aede56fbe5bb5fa94f849ddbb4e69bf31059eadf2
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[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling rand_core v0.6.4
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[INFO] [stderr]    Compiling rand v0.8.5
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[INFO] [stderr]     Checking rrule v0.12.0
[INFO] [stderr]     Checking metime_core v0.1.0 (/opt/rustwide/workdir/metime_core)
[INFO] [stdout] warning: unused imports: `collections::HashMap` and `rc::Rc`
[INFO] [stdout]  --> metime_core/src/data/event.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, convert::identity, rc::Rc};
[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: `Moment`
[INFO] [stdout]  --> metime_core/src/data/event.rs:7:32
[INFO] [stdout]   |
[INFO] [stdout] 7 |     time::{IcalRecurrenceDesc, Moment, Period},
[INFO] [stdout]   |                                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `collections::HashMap` and `rc::Rc`
[INFO] [stdout]  --> metime_core/src/data/event.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, convert::identity, rc::Rc};
[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: `Datelike`
[INFO] [stdout]    --> metime_core/src/data/event.rs:178:18
[INFO] [stdout]     |
[INFO] [stdout] 178 |     use chrono::{Datelike, Duration, TimeZone as _};
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::data::time::Moment`
[INFO] [stdout]    --> metime_core/src/data/time.rs:258:13
[INFO] [stdout]     |
[INFO] [stdout] 258 |         use crate::data::time::Moment;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `categories` is never read
[INFO] [stdout]   --> metime_core/src/data/database.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Database {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 12 |     manifest: DatabaseManifest,
[INFO] [stdout] 13 |     categories: CategoriesTable,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Database` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `DigestOutput` is never used
[INFO] [stdout]  --> metime_core/src/digest.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub type DigestOutput = u64;
[INFO] [stdout]   |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Digestible` is never used
[INFO] [stdout]  --> metime_core/src/digest.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Digestible {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Steal` is never used
[INFO] [stdout]   --> metime_core/src/sync.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub trait Steal<T> {
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClientId` is never constructed
[INFO] [stdout]   --> metime_core/src/sync.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct ClientId(u64);
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FastForwardError` is never used
[INFO] [stdout]   --> metime_core/src/sync.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum FastForwardError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClientSync` is never constructed
[INFO] [stdout]   --> metime_core/src/sync/client.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct ClientSync<V, S>
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `with_server_sync` is never used
[INFO] [stdout]   --> metime_core/src/sync/client.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 40 | / impl<V, S> ClientSync<V, S>
[INFO] [stdout] 41 | | where
[INFO] [stdout] 42 | |     V: Digestible + Debug + Steal<S::DownloadWhole>,
[INFO] [stdout] 43 | |     S: ServerApi<V>,
[INFO] [stdout] 44 | |     S::DownloadWhole: Into<V>,
[INFO] [stdout]    | |______________________________- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |       pub async fn with_server_sync(server_api: S) -> Self {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_basis_version`, `synchronize_value`, `apply_transaction`, `get_working_copy`, and `get_unsynced_transactions` are never used
[INFO] [stdout]    --> metime_core/src/sync/client.rs:59:12
[INFO] [stdout]     |
[INFO] [stdout]  53 | / impl<V, S> ClientSync<V, S>
[INFO] [stdout]  54 | | where
[INFO] [stdout]  55 | |     V: Digestible + Debug + Steal<S::DownloadWhole>,
[INFO] [stdout]  56 | |     S: ServerApi<V>,
[INFO] [stdout]     | |____________________- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  59 |       pub fn with_basis_version(server_api: S, basis_version: V, sequence_number: u64) -> Self {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  76 |       pub async fn synchronize_value(&mut self) -> Result<(), CommunicationError> {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 158 |       pub fn apply_transaction(&mut self, transaction: S::Tx) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |       pub fn get_working_copy(&self) -> &V {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |       pub fn get_unsynced_transactions(&self) -> &[S::Tx] {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ServerApi` is never used
[INFO] [stdout]    --> metime_core/src/sync/client.rs:175:11
[INFO] [stdout]     |
[INFO] [stdout] 175 | pub trait ServerApi<V: Digestible + Steal<Self::DownloadWhole>> {
[INFO] [stdout]     |           ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PushError` is never used
[INFO] [stdout]    --> metime_core/src/sync/client.rs:210:10
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub enum PushError {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `CommunicationError` is never used
[INFO] [stdout]    --> metime_core/src/sync/client.rs:218:10
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub enum CommunicationError {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ClientInfo` is never constructed
[INFO] [stdout]   --> metime_core/src/sync/server.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ClientInfo {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ServerSync` is never constructed
[INFO] [stdout]   --> metime_core/src/sync/server.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct ServerSync<V: Digestible, T: Transaction<V>> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `get_blessed`, `register_client`, `get_client_sequence_number`, `get_transactions_since`, and `fast_forward_transactions` are never used
[INFO] [stdout]   --> metime_core/src/sync/server.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | / impl<V, T> ServerSync<V, T>
[INFO] [stdout] 33 | | where
[INFO] [stdout] 34 | |     V: Digestible + Debug,
[INFO] [stdout] 35 | |     T: Transaction<V> + Debug,
[INFO] [stdout]    | |______________________________- associated items in this implementation
[INFO] [stdout] 36 |   {
[INFO] [stdout] 37 |       pub fn new(blessed_version: V) -> Self {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |       pub fn get_blessed(&self) -> &V {
[INFO] [stdout]    |              ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |       pub fn register_client(&mut self, client_id: ClientId) {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |       pub fn get_client_sequence_number(&self, client: &ClientId) -> Option<u64> {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 54 |       pub fn get_transactions_since(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |       pub fn fast_forward_transactions(
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Transaction` is never used
[INFO] [stdout]  --> metime_core/src/sync/transaction.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait Transaction<V> {
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Rollback` is never used
[INFO] [stdout]   --> metime_core/src/sync/transaction.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type Rollback<V> = Box<dyn Fn(&mut V)>;
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TransactionError` is never used
[INFO] [stdout]   --> metime_core/src/sync/transaction.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub enum TransactionError {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute_all_or_roll_back` is never used
[INFO] [stdout]   --> metime_core/src/sync/transaction.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub fn execute_all_or_roll_back<V, I, T>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `categories` is never read
[INFO] [stdout]   --> metime_core/src/data/database.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Database {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 12 |     manifest: DatabaseManifest,
[INFO] [stdout] 13 |     categories: CategoriesTable,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Database` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `last_digest_confirmed` is never read
[INFO] [stdout]   --> metime_core/src/sync/server.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct ClientInfo {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     last_digest_confirmed: Option<DigestOutput>, // TODO keep this updated as the client makes requests
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Pop` is never constructed
[INFO] [stdout]   --> metime_core/src/sync.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     enum VecOperation {
[INFO] [stdout]    |          ------------ variant in this enum
[INFO] [stdout] 54 |         Push(u32),
[INFO] [stdout] 55 |         Pop(u32), // expects the given value to be popped
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VecOperation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> metime_core/src/sync.rs:119:24
[INFO] [stdout]     |
[INFO] [stdout] 119 |         fn get_blessed(&self) -> Ref<Vec<u32>> {
[INFO] [stdout]     |                        ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 119 |         fn get_blessed(&self) -> Ref<'_, Vec<u32>> {
[INFO] [stdout]     |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.82s
[INFO] running `Command { std: "docker" "inspect" "b9cf1adbdf8676a4a41d348aede56fbe5bb5fa94f849ddbb4e69bf31059eadf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9cf1adbdf8676a4a41d348aede56fbe5bb5fa94f849ddbb4e69bf31059eadf2", kill_on_drop: false }`
[INFO] [stdout] b9cf1adbdf8676a4a41d348aede56fbe5bb5fa94f849ddbb4e69bf31059eadf2
