[INFO] updating cached repository https://github.com/sssilver/chest
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb7bf937571a76ed47f18f6c5e5b9f7de5900f22
[INFO] checking sssilver/chest against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsssilver%2Fchest" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sssilver/chest on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sssilver/chest
[INFO] finished tweaking git repo https://github.com/sssilver/chest
[INFO] tweaked toml for git repo https://github.com/sssilver/chest written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sssilver/chest already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70b56ff9c9513ef405a6c3496ed9d9f8d1a1d1c4e28fa88458215be9b6094a9f
[INFO] running `"docker" "start" "-a" "70b56ff9c9513ef405a6c3496ed9d9f8d1a1d1c4e28fa88458215be9b6094a9f"`
[INFO] [stderr]     Checking chest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command/mod.rs:14:47
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn command_factory(s: &str) -> Result<Box<Command>, Box<ChestError>> {
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/args.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/args.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub command: Box<command::Command>,
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn command::Command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> src/error.rs:29:37
[INFO] [stderr]    |
[INFO] [stderr] 29 |             ChestError::Generic(ref message) => None,
[INFO] [stderr]    |                                     ^^^^^^^ help: consider prefixing with an underscore: `_message`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/command/create.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Err(err) => return Err(Box::new(ChestError::Generic("Error with the filesystem".to_string())))
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/add.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/add.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/update.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/update.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/remove.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/remove.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Err`
[INFO] [stderr]   --> src/command/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type Err = String;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/command/mod.rs:14:47
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn command_factory(s: &str) -> Result<Box<Command>, Box<ChestError>> {
[INFO] [stderr]    |                                               ^^^^^^^ help: use `dyn`: `dyn Command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/args.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/args.rs:8:22
[INFO] [stderr]   |
[INFO] [stderr] 8 |     pub command: Box<command::Command>,
[INFO] [stderr]   |                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn command::Command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `message`
[INFO] [stderr]   --> src/error.rs:29:37
[INFO] [stderr]    |
[INFO] [stderr] 29 |             ChestError::Generic(ref message) => None,
[INFO] [stderr]    |                                     ^^^^^^^ help: consider prefixing with an underscore: `_message`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]   --> src/command/create.rs:19:17
[INFO] [stderr]    |
[INFO] [stderr] 19 |             Err(err) => return Err(Box::new(ChestError::Generic("Error with the filesystem".to_string())))
[INFO] [stderr]    |                 ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/add.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/add.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/update.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/update.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `filename`
[INFO] [stderr]  --> src/command/remove.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                   ^^^^^^^^ help: consider prefixing with an underscore: `_filename`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `params`
[INFO] [stderr]  --> src/command/remove.rs:8:37
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn run(&self, filename: String, params: Vec<String>) -> Result<(), Box<ChestError>> {
[INFO] [stderr]   |                                     ^^^^^^ help: consider prefixing with an underscore: `_params`
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `Err`
[INFO] [stderr]   --> src/command/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     type Err = String;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `"docker" "inspect" "70b56ff9c9513ef405a6c3496ed9d9f8d1a1d1c4e28fa88458215be9b6094a9f"`
[INFO] running `"docker" "rm" "-f" "70b56ff9c9513ef405a6c3496ed9d9f8d1a1d1c4e28fa88458215be9b6094a9f"`
[INFO] [stdout] 70b56ff9c9513ef405a6c3496ed9d9f8d1a1d1c4e28fa88458215be9b6094a9f