[INFO] cloning repository https://github.com/martyall/rust-sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/martyall/rust-sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartyall%2Frust-sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartyall%2Frust-sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d273c94595db15fa00f1e1070336d233ca32691e
[INFO] checking martyall/rust-sandbox against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartyall%2Frust-sandbox" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martyall/rust-sandbox on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martyall/rust-sandbox
[INFO] finished tweaking git repo https://github.com/martyall/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/martyall/rust-sandbox written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/martyall/rust-sandbox 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7706abb62e32502489e4ccdf5aa71596a5444ede01e4b0bccdf58b0461fef13d
[INFO] running `Command { std: "docker" "start" "-a" "7706abb62e32502489e4ccdf5aa71596a5444ede01e4b0bccdf58b0461fef13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7706abb62e32502489e4ccdf5aa71596a5444ede01e4b0bccdf58b0461fef13d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7706abb62e32502489e4ccdf5aa71596a5444ede01e4b0bccdf58b0461fef13d", kill_on_drop: false }`
[INFO] [stdout] 7706abb62e32502489e4ccdf5aa71596a5444ede01e4b0bccdf58b0461fef13d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84abbb836cee4012b7ee6ba00267bbd6e3f99b5294783b7d8e0daa0edff783ec
[INFO] running `Command { std: "docker" "start" "-a" "84abbb836cee4012b7ee6ba00267bbd6e3f99b5294783b7d8e0daa0edff783ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rustcamp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::BTreeMap`
[INFO] [stdout]  --> src/week3/macros.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::BTreeMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `btree`
[INFO] [stdout]  --> src/week3/macros.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 | macro_rules! btree {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/week3/threadz.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coins`
[INFO] [stdout]   --> src/week2/vending.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let coins: Vec<Coin> = vault.keys().cloned().collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_coins`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidates`
[INFO] [stdout]   --> src/week2/vending.rs:31:48
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn make_change(vault: &mut HashMap<Coin, i32>, candidates: &mut Vec<Change>) {
[INFO] [stdout]    |                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/week3/threadz.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SayHi` is never used
[INFO] [stdout]  --> src/week1/box_pin.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait SayHi: fmt::Debug {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MutMeSomehow` is never used
[INFO] [stdout]   --> src/week1/box_pin.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | trait MutMeSomehow {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Command` is never used
[INFO] [stdout]  --> src/week1/sized.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Command {}
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CommandHandler` is never used
[INFO] [stdout]  --> src/week1/sized.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait CommandHandler<C: Command> {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CreateUser` is never constructed
[INFO] [stdout]   --> src/week1/sized.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct CreateUser {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Post` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Post<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SNew` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct SNew;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SUnModerated` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SUnModerated;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SPublished` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct SPublished;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SDeleted` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct SDeleted;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `publish` is never used
[INFO] [stdout]   --> src/week2/type_safety.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Post<SNew> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 33 |     pub fn publish(self) -> Post<SUnModerated> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Product` is never constructed
[INFO] [stdout]  --> src/week2/vending.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Product {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Coin` is never constructed
[INFO] [stdout]  --> src/week2/vending.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Coin(i32);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/week2/vending.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Coin {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 12 |     fn new(value: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VendingMachine` is never constructed
[INFO] [stdout]   --> src/week2/vending.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct VendingMachine {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Change` is never constructed
[INFO] [stdout]   --> src/week2/vending.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Change {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_change` is never used
[INFO] [stdout]   --> src/week2/vending.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn make_change(vault: &mut HashMap<Coin, i32>, candidates: &mut Vec<Change>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOW` is never used
[INFO] [stdout]  --> src/week3/time.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const NOW: &str = "2019-06-26";
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/week3/time.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct User {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_birthdate`, `age`, and `is_adult` are never used
[INFO] [stdout]   --> src/week3/time.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl User {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 10 |     fn with_birthdate(year: i32, month: u32, day: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn age(&self) -> u16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn is_adult(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coins`
[INFO] [stdout]   --> src/week2/vending.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let coins: Vec<Coin> = vault.keys().cloned().collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_coins`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidates`
[INFO] [stdout]   --> src/week2/vending.rs:31:48
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn make_change(vault: &mut HashMap<Coin, i32>, candidates: &mut Vec<Change>) {
[INFO] [stdout]    |                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SayHi` is never used
[INFO] [stdout]  --> src/week1/box_pin.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait SayHi: fmt::Debug {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MutMeSomehow` is never used
[INFO] [stdout]   --> src/week1/box_pin.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | trait MutMeSomehow {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Command` is never used
[INFO] [stdout]  --> src/week1/sized.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Command {}
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CommandHandler` is never used
[INFO] [stdout]  --> src/week1/sized.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait CommandHandler<C: Command> {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CreateUser` is never constructed
[INFO] [stdout]   --> src/week1/sized.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct CreateUser {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Post` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Post<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SNew` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct SNew;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SUnModerated` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SUnModerated;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SPublished` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct SPublished;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SDeleted` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct SDeleted;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `publish` is never used
[INFO] [stdout]   --> src/week2/type_safety.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Post<SNew> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 33 |     pub fn publish(self) -> Post<SUnModerated> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Product` is never constructed
[INFO] [stdout]  --> src/week2/vending.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Product {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Coin` is never constructed
[INFO] [stdout]  --> src/week2/vending.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Coin(i32);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/week2/vending.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Coin {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 12 |     fn new(value: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VendingMachine` is never constructed
[INFO] [stdout]   --> src/week2/vending.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct VendingMachine {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Change` is never constructed
[INFO] [stdout]   --> src/week2/vending.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Change {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_change` is never used
[INFO] [stdout]   --> src/week2/vending.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn make_change(vault: &mut HashMap<Coin, i32>, candidates: &mut Vec<Change>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_adult` is never used
[INFO] [stdout]   --> src/week3/time.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn is_adult(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "84abbb836cee4012b7ee6ba00267bbd6e3f99b5294783b7d8e0daa0edff783ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84abbb836cee4012b7ee6ba00267bbd6e3f99b5294783b7d8e0daa0edff783ec", kill_on_drop: false }`
[INFO] [stdout] 84abbb836cee4012b7ee6ba00267bbd6e3f99b5294783b7d8e0daa0edff783ec
[INFO] checking martyall/rust-sandbox against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartyall%2Frust-sandbox" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martyall/rust-sandbox on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/martyall/rust-sandbox
[INFO] finished tweaking git repo https://github.com/martyall/rust-sandbox
[INFO] tweaked toml for git repo https://github.com/martyall/rust-sandbox written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/martyall/rust-sandbox 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30ba2aa71e86def019ad1794a3a4bb8e7c105d0f8038a624a7454af456ff1f24
[INFO] running `Command { std: "docker" "start" "-a" "30ba2aa71e86def019ad1794a3a4bb8e7c105d0f8038a624a7454af456ff1f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30ba2aa71e86def019ad1794a3a4bb8e7c105d0f8038a624a7454af456ff1f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ba2aa71e86def019ad1794a3a4bb8e7c105d0f8038a624a7454af456ff1f24", kill_on_drop: false }`
[INFO] [stdout] 30ba2aa71e86def019ad1794a3a4bb8e7c105d0f8038a624a7454af456ff1f24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec937795552177a72b54cb8d892401e4fd9b6bb611a6de80028c03906b4803e4
[INFO] running `Command { std: "docker" "start" "-a" "ec937795552177a72b54cb8d892401e4fd9b6bb611a6de80028c03906b4803e4", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking rustcamp v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/week3/macros.rs (1 fix)
[INFO] [stdout] warning: unused macro definition: `btree`
[INFO] [stdout]  --> src/week3/macros.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! btree {
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/week3/threadz.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coins`
[INFO] [stdout]   --> src/week2/vending.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let coins: Vec<Coin> = vault.keys().cloned().collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_coins`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidates`
[INFO] [stdout]   --> src/week2/vending.rs:31:48
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn make_change(vault: &mut HashMap<Coin, i32>, candidates: &mut Vec<Change>) {
[INFO] [stdout]    |                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SayHi` is never used
[INFO] [stdout]  --> src/week1/box_pin.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait SayHi: fmt::Debug {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MutMeSomehow` is never used
[INFO] [stdout]   --> src/week1/box_pin.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | trait MutMeSomehow {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Command` is never used
[INFO] [stdout]  --> src/week1/sized.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Command {}
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CommandHandler` is never used
[INFO] [stdout]  --> src/week1/sized.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait CommandHandler<C: Command> {
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CreateUser` is never constructed
[INFO] [stdout]   --> src/week1/sized.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct CreateUser {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Post` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct Post<T> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SNew` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | struct SNew;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SUnModerated` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct SUnModerated;
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SPublished` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | struct SPublished;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SDeleted` is never constructed
[INFO] [stdout]   --> src/week2/type_safety.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | struct SDeleted;
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `publish` is never used
[INFO] [stdout]   --> src/week2/type_safety.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Post<SNew> {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 33 |     pub fn publish(self) -> Post<SUnModerated> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Product` is never constructed
[INFO] [stdout]  --> src/week2/vending.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Product {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Coin` is never constructed
[INFO] [stdout]  --> src/week2/vending.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | struct Coin(i32);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/week2/vending.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Coin {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 12 |     fn new(value: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VendingMachine` is never constructed
[INFO] [stdout]   --> src/week2/vending.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct VendingMachine {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Change` is never constructed
[INFO] [stdout]   --> src/week2/vending.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct Change {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_change` is never used
[INFO] [stdout]   --> src/week2/vending.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn make_change(vault: &mut HashMap<Coin, i32>, candidates: &mut Vec<Change>) {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NOW` is never used
[INFO] [stdout]  --> src/week3/time.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const NOW: &str = "2019-06-26";
[INFO] [stdout]   |       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `User` is never constructed
[INFO] [stdout]  --> src/week3/time.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct User {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `with_birthdate`, `age`, and `is_adult` are never used
[INFO] [stdout]   --> src/week3/time.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl User {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 10 |     fn with_birthdate(year: i32, month: u32, day: u32) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn age(&self) -> u16 {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     fn is_adult(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BTreeMap`
[INFO] [stdout]   --> src/week3/macros.rs:5:32
[INFO] [stdout]    |
[INFO] [stdout] 5  |             let mut temp_map = BTreeMap::new();
[INFO] [stdout]    |                                ^^^^^^^^ use of undeclared type `BTreeMap`
[INFO] [stdout] ...
[INFO] [stdout] 20 |         let m = btree!((1, 'a'), (2, 'b'));
[INFO] [stdout]    |                 -------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `btree` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 16 +     use std::collections::BTreeMap;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/week3/macros.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude`
[INFO] [stdout]  --> src/week3/threadz.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `coins`
[INFO] [stdout]   --> src/week2/vending.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let coins: Vec<Coin> = vault.keys().cloned().collect();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_coins`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidates`
[INFO] [stdout]   --> src/week2/vending.rs:31:48
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn make_change(vault: &mut HashMap<Coin, i32>, candidates: &mut Vec<Change>) {
[INFO] [stdout]    |                                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidates`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rustcamp` (bin "rustcamp" test) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "ec937795552177a72b54cb8d892401e4fd9b6bb611a6de80028c03906b4803e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec937795552177a72b54cb8d892401e4fd9b6bb611a6de80028c03906b4803e4", kill_on_drop: false }`
[INFO] [stdout] ec937795552177a72b54cb8d892401e4fd9b6bb611a6de80028c03906b4803e4