[INFO] cloning repository https://github.com/m4b/cargo-sym
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/m4b/cargo-sym" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm4b%2Fcargo-sym", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm4b%2Fcargo-sym'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9622ffb7217d565b03bf90cba19df3bc781c8b0f
[INFO] testing m4b/cargo-sym against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fm4b%2Fcargo-sym" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/m4b/cargo-sym on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/m4b/cargo-sym
[INFO] finished tweaking git repo https://github.com/m4b/cargo-sym
[INFO] tweaked toml for git repo https://github.com/m4b/cargo-sym written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/m4b/cargo-sym 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded walkdir v1.0.1
[INFO] [stderr]   Downloaded cmake v0.1.18
[INFO] [stderr]   Downloaded quote v0.3.12
[INFO] [stderr]   Downloaded rustc-serialize v0.3.21
[INFO] [stderr]   Downloaded clap v2.18.0
[INFO] [stderr]   Downloaded scroll_derive v0.3.0
[INFO] [stderr]   Downloaded capstone3 v0.1.0
[INFO] [stderr]   Downloaded goblin v0.0.8
[INFO] [stderr]   Downloaded syn v0.10.7
[INFO] [stderr]   Downloaded scroll v0.3.0
[INFO] [stderr]   Downloaded capstone-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3034943bb8211740bef0c6eeaf2390cecbcf9fd9f6a9ef436833f0dd79c40b3e
[INFO] running `Command { std: "docker" "start" "-a" "3034943bb8211740bef0c6eeaf2390cecbcf9fd9f6a9ef436833f0dd79c40b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3034943bb8211740bef0c6eeaf2390cecbcf9fd9f6a9ef436833f0dd79c40b3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3034943bb8211740bef0c6eeaf2390cecbcf9fd9f6a9ef436833f0dd79c40b3e", kill_on_drop: false }`
[INFO] [stdout] 3034943bb8211740bef0c6eeaf2390cecbcf9fd9f6a9ef436833f0dd79c40b3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8b2b1b0f7fd2e623c11a0af07eb271aa63dccacc3968d781a972ef3e900daec
[INFO] running `Command { std: "docker" "start" "-a" "b8b2b1b0f7fd2e623c11a0af07eb271aa63dccacc3968d781a972ef3e900daec", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling scroll v0.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling strsim v0.5.1
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling cmake v0.1.18
[INFO] [stderr]    Compiling syn v0.10.7
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling walkdir v1.0.1
[INFO] [stderr]    Compiling quick-error v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling clap v2.18.0
[INFO] [stderr]    Compiling capstone-sys v0.2.0
[INFO] [stderr]    Compiling scroll_derive v0.3.0
[INFO] [stderr]    Compiling goblin v0.0.8
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling capstone3 v0.1.0
[INFO] [stderr]    Compiling cargo-sym v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
[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/main.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |     let mut bytes = &mut Cursor::new(&buffer);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.21, syn v0.10.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "b8b2b1b0f7fd2e623c11a0af07eb271aa63dccacc3968d781a972ef3e900daec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b2b1b0f7fd2e623c11a0af07eb271aa63dccacc3968d781a972ef3e900daec", kill_on_drop: false }`
[INFO] [stdout] b8b2b1b0f7fd2e623c11a0af07eb271aa63dccacc3968d781a972ef3e900daec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3deff290acb8a758e190251567f381d0ee85ddcfc06a3a4b5b233113a13514a
[INFO] running `Command { std: "docker" "start" "-a" "a3deff290acb8a758e190251567f381d0ee85ddcfc06a3a4b5b233113a13514a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-sym v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout] 9  | / quick_error! {
[INFO] [stdout] 10 | |     #[derive(Debug)]
[INFO] [stdout] 11 | |     pub enum Error {
[INFO] [stdout] 12 | |         Io(err: io::Error) { from () }
[INFO] [stdout] ...  |
[INFO] [stdout] 23 | |     }
[INFO] [stdout] 24 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
[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/main.rs:404:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |     let mut bytes = &mut Cursor::new(&buffer);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.21, syn v0.10.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "a3deff290acb8a758e190251567f381d0ee85ddcfc06a3a4b5b233113a13514a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3deff290acb8a758e190251567f381d0ee85ddcfc06a3a4b5b233113a13514a", kill_on_drop: false }`
[INFO] [stdout] a3deff290acb8a758e190251567f381d0ee85ddcfc06a3a4b5b233113a13514a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ecb697b29c713978e0680ee9fa4610ac00b4b5a6cdc3d61be9d22d7a9f70f41d
[INFO] running `Command { std: "docker" "start" "-a" "ecb697b29c713978e0680ee9fa4610ac00b4b5a6cdc3d61be9d22d7a9f70f41d", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / quick_error! {
[INFO] [stderr] 10 | |     #[derive(Debug)]
[INFO] [stderr] 11 | |     pub enum Error {
[INFO] [stderr] 12 | |         Io(err: io::Error) { from () }
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / quick_error! {
[INFO] [stderr] 10 | |     #[derive(Debug)]
[INFO] [stderr] 11 | |     pub enum Error {
[INFO] [stderr] 12 | |         Io(err: io::Error) { from () }
[INFO] [stderr] ...  |
[INFO] [stderr] 23 | |     }
[INFO] [stderr] 24 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `quick_error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 67 |         let mut hex_buffer = &mut stack_buffer[..column_width * NCOLUMNS];
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:404:9
[INFO] [stderr]     |
[INFO] [stderr] 404 |     let mut bytes = &mut Cursor::new(&buffer);
[INFO] [stderr]     |         ----^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-sym` (bin "cargo-sym" test) generated 13 warnings (9 duplicates) (run `cargo fix --bin "cargo-sym" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.21, syn v0.10.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_sym-89ebad8122d3dcc6)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ecb697b29c713978e0680ee9fa4610ac00b4b5a6cdc3d61be9d22d7a9f70f41d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecb697b29c713978e0680ee9fa4610ac00b4b5a6cdc3d61be9d22d7a9f70f41d", kill_on_drop: false }`
[INFO] [stdout] ecb697b29c713978e0680ee9fa4610ac00b4b5a6cdc3d61be9d22d7a9f70f41d
