[INFO] fetching crate clementine 0.0.1...
[INFO] testing clementine-0.0.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate clementine 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate clementine 0.0.1
[INFO] finished tweaking crates.io crate clementine 0.0.1
[INFO] tweaked toml for crates.io crate clementine 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate clementine 0.0.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[INFO] [stderr]       Adding serde_json v0.9.10 (available: v1.0.145)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v0.9.10
[INFO] [stderr]   Downloaded serde v0.9.15
[INFO] [stderr]   Downloaded dtoa v0.4.8
[INFO] [stderr]   Downloaded num-traits v0.1.43
[INFO] [stderr]   Downloaded itoa v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea7afc57a5e248e813198f5c2b974e13eb0b89ed6ef4af490c09c9c62519e6e1
[INFO] running `Command { std: "docker" "start" "-a" "ea7afc57a5e248e813198f5c2b974e13eb0b89ed6ef4af490c09c9c62519e6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea7afc57a5e248e813198f5c2b974e13eb0b89ed6ef4af490c09c9c62519e6e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea7afc57a5e248e813198f5c2b974e13eb0b89ed6ef4af490c09c9c62519e6e1", kill_on_drop: false }`
[INFO] [stdout] ea7afc57a5e248e813198f5c2b974e13eb0b89ed6ef4af490c09c9c62519e6e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 550f586ec8d06639ce6a5fe167d3797e908cf087a3e397f7c21d5e1e01c40a58
[INFO] running `Command { std: "docker" "start" "-a" "550f586ec8d06639ce6a5fe167d3797e908cf087a3e397f7c21d5e1e01c40a58", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling clementine v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]    --> src/error.rs:101:15
[INFO] [stdout]     |
[INFO] [stdout] 101 | impl From<io::CharsError> for Error {
[INFO] [stdout]     |               ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `CharsError` in module `io`
[INFO] [stdout]    --> src/error.rs:102:20
[INFO] [stdout]     |
[INFO] [stdout] 102 |     fn from(_: io::CharsError) -> Error {
[INFO] [stdout]     |                    ^^^^^^^^^^ not found in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/persist.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn set(&mut self, String, Data) -> Result<()>;
[INFO] [stdout]    |                       ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/persist.rs:29:31
[INFO] [stdout]    |
[INFO] [stdout] 29 |     fn set(&mut self, String, Data) -> Result<()>;
[INFO] [stdout]    |                               ^^^^ help: try naming the parameter or explicitly ignoring it: `_: Data`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/persist.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn remove(&mut self, String) -> Result<()>;
[INFO] [stdout]    |                          ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `io`
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(io)]
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/transaction.rs:39:32
[INFO] [stdout]    |
[INFO] [stdout] 39 |     persist_store: RefCell<Box<Persistable>>,
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 39 |     persist_store: RefCell<Box<dyn Persistable>>,
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/database.rs:45:22
[INFO] [stdout]    |
[INFO] [stdout] 45 |         where F: Fn(&ReadTransaction<K>) -> Result<()>,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 |         where F: Fn(&dyn ReadTransaction<K>) -> Result<()>,
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/database.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |         where F: Fn(&mut WriteTransaction<K>) -> Result<()>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 56 |         where F: Fn(&mut dyn WriteTransaction<K>) -> Result<()>,
[INFO] [stdout]    |                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/transaction.rs:46:60
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn new(store: BTreeMap<String, Data>, persist: Box<Persistable>) -> Transaction {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn new(store: BTreeMap<String, Data>, persist: Box<dyn Persistable>) -> Transaction {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/database.rs:31:36
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut persist_store: Box<Persistable> = match config.persist_type {
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let mut persist_store: Box<dyn Persistable> = match config.persist_type {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `chars` found for struct `File` in the current scope
[INFO] [stdout]   --> src/persist.rs:98:47
[INFO] [stdout]    |
[INFO] [stdout] 98 |         for ch in fs::File::open(&self.path)?.chars() {
[INFO] [stdout]    |                                               ^^^^^ method not found in `File`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/persist.rs:99:17
[INFO] [stdout]     |
[INFO] [stdout]  99 |             let ch = ch?;
[INFO] [stdout]     |                 ^^
[INFO] [stdout] 100 |             let char_string = ch.to_string();
[INFO] [stdout]     |                               -- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `ch` an explicit type
[INFO] [stdout]     |
[INFO] [stdout]  99 |             let ch: /* Type */ = ch?;
[INFO] [stdout]     |                   ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/persist.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::{Write, Read};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0412, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `clementine` (lib) due to 5 previous errors; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "550f586ec8d06639ce6a5fe167d3797e908cf087a3e397f7c21d5e1e01c40a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "550f586ec8d06639ce6a5fe167d3797e908cf087a3e397f7c21d5e1e01c40a58", kill_on_drop: false }`
[INFO] [stdout] 550f586ec8d06639ce6a5fe167d3797e908cf087a3e397f7c21d5e1e01c40a58
