[INFO] updating cached repository https://github.com/rudolfschmidt/acc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/rudolfschmidt/acc
[INFO] [stderr]    a7272ce..5957f3e  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5957f3e120044884e655a22db42257185f4d373e
[INFO] testing rudolfschmidt/acc against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frudolfschmidt%2Facc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rudolfschmidt/acc on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rudolfschmidt/acc
[INFO] finished tweaking git repo https://github.com/rudolfschmidt/acc
[INFO] tweaked toml for git repo https://github.com/rudolfschmidt/acc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/rudolfschmidt/acc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e3c060b30a832d2c10f072f6c591160b528b69f10ee41adf9be0ffe920932d2
[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" "1e3c060b30a832d2c10f072f6c591160b528b69f10ee41adf9be0ffe920932d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e3c060b30a832d2c10f072f6c591160b528b69f10ee41adf9be0ffe920932d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e3c060b30a832d2c10f072f6c591160b528b69f10ee41adf9be0ffe920932d2", kill_on_drop: false }`
[INFO] [stdout] 1e3c060b30a832d2c10f072f6c591160b528b69f10ee41adf9be0ffe920932d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba6fbf246057856e01c984b6a1d5b955d4b59e76ec86c18ef135879d69a2d22d
[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" "ba6fbf246057856e01c984b6a1d5b955d4b59e76ec86c18ef135879d69a2d22d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling colored v1.9.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling acc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::super::model::Posting`
[INFO] [stdout]  --> src/lib/commands/register/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::model::Posting;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::model::Posting`
[INFO] [stdout]  --> src/lib/parsers/tokenizer/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::super::model::Posting;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]  --> src/lib/parsers/tokenizer/comment.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     if let Some(comment) = tokenize_comment(tokenizer)? {
[INFO] [stdout]   |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/parsers/balancer.rs:82:24
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn balance_empty_posts(mut transaction: Transaction) -> Result<Transaction, Error> {
[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: function is never used: `expect_next`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub(super) fn expect_next(tokenizer: &mut Tokenizer) -> Result<(), Error> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_any_char`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub(super) fn is_any_char(tokenizer: &Tokenizer) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_char`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub(super) fn is_char(tokenizer: &Tokenizer, char: char) -> bool {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_transactions`
[INFO] [stdout]    --> src/lib/parsers/tokenizer/mod.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn print_transactions(transactions: &[Transaction]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::model::Posting`
[INFO] [stdout]  --> src/lib/commands/register/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::model::Posting;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::model::Posting`
[INFO] [stdout]  --> src/lib/parsers/tokenizer/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::super::model::Posting;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]  --> src/lib/parsers/tokenizer/comment.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     if let Some(comment) = tokenize_comment(tokenizer)? {
[INFO] [stdout]   |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/parsers/balancer.rs:82:24
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn balance_empty_posts(mut transaction: Transaction) -> Result<Transaction, Error> {
[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: variant is never constructed: `Comment`
[INFO] [stdout]  --> src/lib/model.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Comment(Comment),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Transaction`
[INFO] [stdout]  --> src/lib/model.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Transaction(Transaction),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Total`
[INFO] [stdout]   --> src/lib/model.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Total(MixedAmount),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expect_next`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub(super) fn expect_next(tokenizer: &mut Tokenizer) -> Result<(), Error> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_any_char`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub(super) fn is_any_char(tokenizer: &Tokenizer) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_char`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub(super) fn is_char(tokenizer: &Tokenizer, char: char) -> bool {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_transactions`
[INFO] [stdout]    --> src/lib/parsers/tokenizer/mod.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn print_transactions(transactions: &[Transaction]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_transaction`
[INFO] [stdout]    --> src/lib/parsers/tokenizer/mod.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub fn print_transaction(transaction: &Transaction) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.69s
[INFO] running `Command { std: "docker" "inspect" "ba6fbf246057856e01c984b6a1d5b955d4b59e76ec86c18ef135879d69a2d22d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6fbf246057856e01c984b6a1d5b955d4b59e76ec86c18ef135879d69a2d22d", kill_on_drop: false }`
[INFO] [stdout] ba6fbf246057856e01c984b6a1d5b955d4b59e76ec86c18ef135879d69a2d22d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da81ee25cca38c163feb9f9ac0e05998f4cd2828b8b15d452c360a9ffee591f6
[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" "da81ee25cca38c163feb9f9ac0e05998f4cd2828b8b15d452c360a9ffee591f6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling acc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::super::model::Posting`
[INFO] [stdout]  --> src/lib/commands/register/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::model::Posting;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::model::Posting`
[INFO] [stdout]  --> src/lib/parsers/tokenizer/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::super::model::Posting;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]  --> src/lib/parsers/tokenizer/comment.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     if let Some(comment) = tokenize_comment(tokenizer)? {
[INFO] [stdout]   |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/parsers/balancer.rs:82:24
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn balance_empty_posts(mut transaction: Transaction) -> Result<Transaction, Error> {
[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: function is never used: `expect_next`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub(super) fn expect_next(tokenizer: &mut Tokenizer) -> Result<(), Error> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_any_char`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub(super) fn is_any_char(tokenizer: &Tokenizer) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_char`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub(super) fn is_char(tokenizer: &Tokenizer, char: char) -> bool {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_transactions`
[INFO] [stdout]    --> src/lib/parsers/tokenizer/mod.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn print_transactions(transactions: &[Transaction]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::model::Posting`
[INFO] [stdout]  --> src/lib/commands/register/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::model::Posting;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::model::Posting`
[INFO] [stdout]  --> src/lib/parsers/tokenizer/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::super::model::Posting;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::model::Posting`
[INFO] [stdout]  --> src/lib/commands/register/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::super::model::Posting;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::model::Posting`
[INFO] [stdout]  --> src/lib/parsers/tokenizer/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use super::super::model::Posting;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]  --> src/lib/parsers/tokenizer/comment.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     if let Some(comment) = tokenize_comment(tokenizer)? {
[INFO] [stdout]   |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]  --> src/lib/parsers/tokenizer/comment.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 |     if let Some(comment) = tokenize_comment(tokenizer)? {
[INFO] [stdout]   |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/parsers/balancer.rs:82:24
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn balance_empty_posts(mut transaction: Transaction) -> Result<Transaction, Error> {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/lib/parsers/balancer.rs:82:24
[INFO] [stdout]    |
[INFO] [stdout] 82 | fn balance_empty_posts(mut transaction: Transaction) -> Result<Transaction, Error> {
[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: function is never used: `expect_next`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub(super) fn expect_next(tokenizer: &mut Tokenizer) -> Result<(), Error> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_any_char`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub(super) fn is_any_char(tokenizer: &Tokenizer) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_char`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub(super) fn is_char(tokenizer: &Tokenizer, char: char) -> bool {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_transactions`
[INFO] [stdout]    --> src/lib/parsers/tokenizer/mod.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn print_transactions(transactions: &[Transaction]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Comment`
[INFO] [stdout]  --> src/lib/model.rs:3:2
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Comment(Comment),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Transaction`
[INFO] [stdout]  --> src/lib/model.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Transaction(Transaction),
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Total`
[INFO] [stdout]   --> src/lib/model.rs:32:2
[INFO] [stdout]    |
[INFO] [stdout] 32 |     Total(MixedAmount),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `expect_next`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub(super) fn expect_next(tokenizer: &mut Tokenizer) -> Result<(), Error> {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_any_char`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:80:15
[INFO] [stdout]    |
[INFO] [stdout] 80 | pub(super) fn is_any_char(tokenizer: &Tokenizer) -> bool {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_char`
[INFO] [stdout]   --> src/lib/parsers/tokenizer/chars.rs:87:15
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub(super) fn is_char(tokenizer: &Tokenizer, char: char) -> bool {
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_transactions`
[INFO] [stdout]    --> src/lib/parsers/tokenizer/mod.rs:129:4
[INFO] [stdout]     |
[INFO] [stdout] 129 | fn print_transactions(transactions: &[Transaction]) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_transaction`
[INFO] [stdout]    --> src/lib/parsers/tokenizer/mod.rs:134:8
[INFO] [stdout]     |
[INFO] [stdout] 134 | pub fn print_transaction(transaction: &Transaction) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "da81ee25cca38c163feb9f9ac0e05998f4cd2828b8b15d452c360a9ffee591f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da81ee25cca38c163feb9f9ac0e05998f4cd2828b8b15d452c360a9ffee591f6", kill_on_drop: false }`
[INFO] [stdout] da81ee25cca38c163feb9f9ac0e05998f4cd2828b8b15d452c360a9ffee591f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bf769c46adb7087b99cb5f8151583e9386a6d70b9db1dac84551331b4844ac18
[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" "bf769c46adb7087b99cb5f8151583e9386a6d70b9db1dac84551331b4844ac18", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `super::super::model::Posting`
[INFO] [stderr]  --> src/lib/commands/register/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::super::model::Posting;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::super::model::Posting`
[INFO] [stderr]  --> src/lib/commands/register/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::super::model::Posting;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::super::model::Posting`
[INFO] [stderr]  --> src/lib/parsers/tokenizer/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use super::super::model::Posting;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `comment`
[INFO] [stderr]  --> src/lib/parsers/tokenizer/comment.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     if let Some(comment) = tokenize_comment(tokenizer)? {
[INFO] [stderr]   |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/parsers/balancer.rs:82:24
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn balance_empty_posts(mut transaction: Transaction) -> Result<Transaction, Error> {
[INFO] [stderr]    |                        ----^^^^^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::super::model::Posting`
[INFO] [stderr]  --> src/lib/parsers/tokenizer/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use super::super::model::Posting;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expect_next`
[INFO] [stderr]   --> src/lib/parsers/tokenizer/chars.rs:56:15
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub(super) fn expect_next(tokenizer: &mut Tokenizer) -> Result<(), Error> {
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_any_char`
[INFO] [stderr]   --> src/lib/parsers/tokenizer/chars.rs:80:15
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub(super) fn is_any_char(tokenizer: &Tokenizer) -> bool {
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `comment`
[INFO] [stderr]  --> src/lib/parsers/tokenizer/comment.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     if let Some(comment) = tokenize_comment(tokenizer)? {
[INFO] [stderr]   |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/parsers/balancer.rs:82:24
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn balance_empty_posts(mut transaction: Transaction) -> Result<Transaction, Error> {
[INFO] [stderr]    |                        ----^^^^^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_char`
[INFO] [stderr]   --> src/lib/parsers/tokenizer/chars.rs:87:15
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub(super) fn is_char(tokenizer: &Tokenizer, char: char) -> bool {
[INFO] [stderr]    |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expect_next`
[INFO] [stderr]   --> src/lib/parsers/tokenizer/chars.rs:56:15
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub(super) fn expect_next(tokenizer: &mut Tokenizer) -> Result<(), Error> {
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_transactions`
[INFO] [stderr]    --> src/lib/parsers/tokenizer/mod.rs:129:4
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn print_transactions(transactions: &[Transaction]) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_any_char`
[INFO] [stderr]   --> src/lib/parsers/tokenizer/chars.rs:80:15
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub(super) fn is_any_char(tokenizer: &Tokenizer) -> bool {
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_char`
[INFO] [stderr]   --> src/lib/parsers/tokenizer/chars.rs:87:15
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub(super) fn is_char(tokenizer: &Tokenizer, char: char) -> bool {
[INFO] [stderr]    |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_transactions`
[INFO] [stderr]    --> src/lib/parsers/tokenizer/mod.rs:129:4
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn print_transactions(transactions: &[Transaction]) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::super::model::Posting`
[INFO] [stderr]  --> src/lib/commands/register/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::super::model::Posting;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::super::model::Posting`
[INFO] [stderr]  --> src/lib/parsers/tokenizer/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use super::super::model::Posting;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `comment`
[INFO] [stderr]  --> src/lib/parsers/tokenizer/comment.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     if let Some(comment) = tokenize_comment(tokenizer)? {
[INFO] [stderr]   |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib/parsers/balancer.rs:82:24
[INFO] [stderr]    |
[INFO] [stderr] 82 | fn balance_empty_posts(mut transaction: Transaction) -> Result<Transaction, Error> {
[INFO] [stderr]    |                        ----^^^^^^^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Comment`
[INFO] [stderr]  --> src/lib/model.rs:3:2
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Comment(Comment),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Transaction`
[INFO] [stderr]  --> src/lib/model.rs:4:2
[INFO] [stderr]   |
[INFO] [stderr] 4 |     Transaction(Transaction),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Total`
[INFO] [stderr]   --> src/lib/model.rs:32:2
[INFO] [stderr]    |
[INFO] [stderr] 32 |     Total(MixedAmount),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `expect_next`
[INFO] [stderr]   --> src/lib/parsers/tokenizer/chars.rs:56:15
[INFO] [stderr]    |
[INFO] [stderr] 56 | pub(super) fn expect_next(tokenizer: &mut Tokenizer) -> Result<(), Error> {
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_any_char`
[INFO] [stderr]   --> src/lib/parsers/tokenizer/chars.rs:80:15
[INFO] [stderr]    |
[INFO] [stderr] 80 | pub(super) fn is_any_char(tokenizer: &Tokenizer) -> bool {
[INFO] [stderr]    |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_char`
[INFO] [stderr]   --> src/lib/parsers/tokenizer/chars.rs:87:15
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub(super) fn is_char(tokenizer: &Tokenizer, char: char) -> bool {
[INFO] [stderr]    |               ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_transactions`
[INFO] [stderr]    --> src/lib/parsers/tokenizer/mod.rs:129:4
[INFO] [stderr]     |
[INFO] [stderr] 129 | fn print_transactions(transactions: &[Transaction]) {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_transaction`
[INFO] [stderr]    --> src/lib/parsers/tokenizer/mod.rs:134:8
[INFO] [stderr]     |
[INFO] [stderr] 134 | pub fn print_transaction(transaction: &Transaction) {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/acc-b02e6c8388027846
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/acc-e26199ace714eb5d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests acc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf769c46adb7087b99cb5f8151583e9386a6d70b9db1dac84551331b4844ac18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf769c46adb7087b99cb5f8151583e9386a6d70b9db1dac84551331b4844ac18", kill_on_drop: false }`
[INFO] [stdout] bf769c46adb7087b99cb5f8151583e9386a6d70b9db1dac84551331b4844ac18