[INFO] cloning repository https://github.com/roast-rs/roast
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roast-rs/roast" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froast-rs%2Froast", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froast-rs%2Froast'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eafaf8c172fd9d6e80452fc63edc95cb4b823beb
[INFO] fixing roast-rs/roast against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froast-rs%2Froast" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/roast-rs/roast
[INFO] finished tweaking git repo https://github.com/roast-rs/roast
[INFO] tweaked toml for git repo https://github.com/roast-rs/roast written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/roast-rs/roast on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/roast-rs/roast 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: roast_testlab/Cargo.toml: `crate_type` is deprecated in favor of `crate-type` and will not work in the 2024 edition
[INFO] [stderr] (in the `roast_testlab` library target)
[INFO] [stderr] warning: `roast_testlab` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loggerv v0.7.2
[INFO] [stderr]   Downloaded includedir v0.6.0
[INFO] [stderr]   Downloaded includedir_codegen v0.6.0
[INFO] [stderr]   Downloaded git2 v0.14.4
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded libgit2-sys v0.13.4+1.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] daac7784726b2222b7eba81daaafaa38751d2bd70c0a01159ec836f7677605dc
[INFO] running `Command { std: "docker" "start" "daac7784726b2222b7eba81daaafaa38751d2bd70c0a01159ec836f7677605dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "daac7784726b2222b7eba81daaafaa38751d2bd70c0a01159ec836f7677605dc" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daac7784726b2222b7eba81daaafaa38751d2bd70c0a01159ec836f7677605dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "daac7784726b2222b7eba81daaafaa38751d2bd70c0a01159ec836f7677605dc" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr] warning: roast_testlab/Cargo.toml: `crate_type` is deprecated in favor of `crate-type` and will not work in the 2024 edition
[INFO] [stderr] (in the `roast_testlab` library target)
[INFO] [stderr] warning: `roast_testlab` (manifest) generated 1 warning
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.65
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling miniz_oxide v0.5.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling jni v0.19.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling object v0.28.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking combine v4.6.4
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking jni-sys v0.3.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling libgit2-sys v0.13.4+1.4.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking unicode-ident v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking proc-macro2 v1.0.40
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling includedir_codegen v0.6.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling roast_derives v0.1.0 (/opt/rustwide/workdir/roast_derives)
[INFO] [stdout] warning: field `mutable` is never read
[INFO] [stdout]   --> roast_derives/src/entity.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     SelfBorrow {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] 26 |         mutable: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DerivedFnArg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mutable` is never read
[INFO] [stdout]   --> roast_derives/src/entity.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     SelfOwned {
[INFO] [stdout]    |     --------- field in this variant
[INFO] [stdout] 30 |         mutable: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DerivedFnArg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> roast_derives/src/entity.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Fail` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ConversionError`
[INFO] [stdout] 9 | pub enum ConversionError {
[INFO] [stdout]   |          --------------- `ConversionError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> roast_derives/src/entity.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_ConversionError`
[INFO] [stdout] 9 | pub enum ConversionError {
[INFO] [stdout]   |          --------------- `ConversionError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling roast_cli v0.1.0 (/opt/rustwide/workdir/roast_cli)
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking quote v1.0.20
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking includedir v0.6.0
[INFO] [stderr]     Checking loggerv v0.7.2
[INFO] [stderr]     Checking roast v0.1.0 (/opt/rustwide/workdir/roast)
[INFO] [stderr]    Compiling roast_testlab v0.1.0 (/opt/rustwide/workdir/roast_testlab)
[INFO] [stdout] warning: field `mutable` is never read
[INFO] [stdout]   --> roast_derives/src/entity.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     SelfBorrow {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] 26 |         mutable: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DerivedFnArg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mutable` is never read
[INFO] [stdout]   --> roast_derives/src/entity.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     SelfOwned {
[INFO] [stdout]    |     --------- field in this variant
[INFO] [stdout] 30 |         mutable: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DerivedFnArg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> roast_derives/src/entity.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Fail` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ConversionError`
[INFO] [stdout] 9 | pub enum ConversionError {
[INFO] [stdout]   |          --------------- `ConversionError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> roast_derives/src/entity.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_ConversionError`
[INFO] [stdout] 9 | pub enum ConversionError {
[INFO] [stdout]   |          --------------- `ConversionError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mutable` is never read
[INFO] [stdout]   --> roast_derives/src/entity.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     SelfBorrow {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] 26 |         mutable: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DerivedFnArg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mutable` is never read
[INFO] [stdout]   --> roast_derives/src/entity.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     SelfOwned {
[INFO] [stdout]    |     --------- field in this variant
[INFO] [stdout] 30 |         mutable: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DerivedFnArg` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> roast_derives/src/entity.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Fail` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_ConversionError`
[INFO] [stdout] 9 | pub enum ConversionError {
[INFO] [stdout]   |          --------------- `ConversionError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> roast_derives/src/entity.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Debug, Fail)]
[INFO] [stdout]   |                 ^---
[INFO] [stdout]   |                 |
[INFO] [stdout]   |                 `Display` is not local
[INFO] [stdout]   |                 move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_ConversionError`
[INFO] [stdout] 9 | pub enum ConversionError {
[INFO] [stdout]   |          --------------- `ConversionError` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking git2 v0.14.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 52s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "daac7784726b2222b7eba81daaafaa38751d2bd70c0a01159ec836f7677605dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daac7784726b2222b7eba81daaafaa38751d2bd70c0a01159ec836f7677605dc", kill_on_drop: false }`
[INFO] [stdout] daac7784726b2222b7eba81daaafaa38751d2bd70c0a01159ec836f7677605dc
