[INFO] fetching crate libmaj 0.1.6...
[INFO] checking libmaj-0.1.6 against master#dc375db7d8df0aa450e622c529147c95eee756f5 for pr-156749
[INFO] extracting crate libmaj 0.1.6 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate libmaj 0.1.6
[INFO] finished tweaking crates.io crate libmaj 0.1.6
[INFO] tweaked toml for crates.io crate libmaj 0.1.6 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libmaj 0.1.6 on toolchain dc375db7d8df0aa450e622c529147c95eee756f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "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" "+dc375db7d8df0aa450e622c529147c95eee756f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 239 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.10.1 (available: v0.22.1)
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[INFO] [stderr]       Adding nom v3.2.1 (available: v8.0.0)
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[INFO] [stderr]       Adding xdg v2.5.2 (available: v3.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] [stderr]   Downloaded shell32-sys v0.1.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 62dd7bd0f1c5e02c2c694da185445be1a480abf1a159ae7fdf0dcab9452ec44d
[INFO] running `Command { std: "docker" "start" "62dd7bd0f1c5e02c2c694da185445be1a480abf1a159ae7fdf0dcab9452ec44d", 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" "62dd7bd0f1c5e02c2c694da185445be1a480abf1a159ae7fdf0dcab9452ec44d" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62dd7bd0f1c5e02c2c694da185445be1a480abf1a159ae7fdf0dcab9452ec44d", 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=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "62dd7bd0f1c5e02c2c694da185445be1a480abf1a159ae7fdf0dcab9452ec44d" "/opt/rustwide/cargo-home/bin/cargo" "+dc375db7d8df0aa450e622c529147c95eee756f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking libmaj v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 | type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stdout]    |                                               ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 - type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stdout] 42 + type VarTransform = dyn Fn(&ActionContext) -> Result<String> + Sync;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:48:43
[INFO] [stdout]    |
[INFO] [stdout] 48 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]    |                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout] 48 +             where T:Fn(&ActionContext) -> Result<String> + Sync + 'static {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/helpers.rs:103:43
[INFO] [stdout]     |
[INFO] [stdout] 103 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]     |                                           ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout] 103 +             where T:Fn(&ActionContext) -> Result<String> + Sync + 'static {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/errors.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / error_chain! {
[INFO] [stdout] 11 | |     foreign_links {
[INFO] [stdout] 12 | |        Fmt(::std::fmt::Error);
[INFO] [stdout] 13 | |        Io(::std::io::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:42:47
[INFO] [stdout]    |
[INFO] [stdout] 42 | type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stdout]    |                                               ^              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 - type VarTransform = dyn Fn(&ActionContext) -> (Result<String>) + Sync;
[INFO] [stdout] 42 + type VarTransform = dyn Fn(&ActionContext) -> Result<String> + Sync;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/helpers.rs:48:43
[INFO] [stdout]    |
[INFO] [stdout] 48 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]    |                                           ^              ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout] 48 +             where T:Fn(&ActionContext) -> Result<String> + Sync + 'static {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/helpers.rs:103:43
[INFO] [stdout]     |
[INFO] [stdout] 103 |             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout]     |                                           ^              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 103 -             where T:Fn(&ActionContext) -> (Result<String>) + Sync + 'static {
[INFO] [stdout] 103 +             where T:Fn(&ActionContext) -> Result<String> + Sync + 'static {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `has_error_description_deprecated`
[INFO] [stdout]   --> src/errors.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | / error_chain! {
[INFO] [stdout] 11 | |     foreign_links {
[INFO] [stdout] 12 | |        Fmt(::std::fmt::Error);
[INFO] [stdout] 13 | |        Io(::std::io::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]    = note: using a cfg inside a macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]    = help: try referring to `impl_error_chain_processed` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (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/app_dirs/common.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |             Io(ref e) => e.description(),
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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/app_dirs/common.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |             Io(ref e) => e.description(),
[INFO] [stdout]     |                            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/packer/pack_action.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | named!(get_args< Vec<&str> >, many0!( map_res!(space_n_args, str::from_utf8) ) );
[INFO] [stdout]    | ---------------------^^^^-------------------------------------------------------
[INFO] [stdout]    | |                    |
[INFO] [stdout]    | |                    the same lifetime is elided here
[INFO] [stdout]    | the lifetime is named here
[INFO] [stdout]    | the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 16 | named!(get_args< Vec<&'a str> >, many0!( map_res!(space_n_args, str::from_utf8) ) );
[INFO] [stdout]    |                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/packer/pack_action.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | named!(get_args< Vec<&str> >, many0!( map_res!(space_n_args, str::from_utf8) ) );
[INFO] [stdout]    | ---------------------^^^^-------------------------------------------------------
[INFO] [stdout]    | |                    |
[INFO] [stdout]    | |                    the same lifetime is elided here
[INFO] [stdout]    | the lifetime is named here
[INFO] [stdout]    | the same lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 16 | named!(get_args< Vec<&'a str> >, many0!( map_res!(space_n_args, str::from_utf8) ) );
[INFO] [stdout]    |                       ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v3.2.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "62dd7bd0f1c5e02c2c694da185445be1a480abf1a159ae7fdf0dcab9452ec44d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62dd7bd0f1c5e02c2c694da185445be1a480abf1a159ae7fdf0dcab9452ec44d", kill_on_drop: false }`
[INFO] [stdout] 62dd7bd0f1c5e02c2c694da185445be1a480abf1a159ae7fdf0dcab9452ec44d
