[INFO] fetching crate btrfs-dedupe 1.0.2...
[INFO] checking btrfs-dedupe-1.0.2 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate btrfs-dedupe 1.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate btrfs-dedupe 1.0.2 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btrfs-dedupe 1.0.2
[INFO] finished tweaking crates.io crate btrfs-dedupe 1.0.2
[INFO] tweaked toml for crates.io crate btrfs-dedupe 1.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 404cdbc4b0e3171a8cd5315bc53e2dee010e8c0a0597dcc5366ec15bc77d0807
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "404cdbc4b0e3171a8cd5315bc53e2dee010e8c0a0597dcc5366ec15bc77d0807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "404cdbc4b0e3171a8cd5315bc53e2dee010e8c0a0597dcc5366ec15bc77d0807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404cdbc4b0e3171a8cd5315bc53e2dee010e8c0a0597dcc5366ec15bc77d0807", kill_on_drop: false }`
[INFO] [stdout] 404cdbc4b0e3171a8cd5315bc53e2dee010e8c0a0597dcc5366ec15bc77d0807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d4671a28f4635752f5c497a3a4d847ac44f61293510ffeddc1bedc56eec83cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d4671a28f4635752f5c497a3a4d847ac44f61293510ffeddc1bedc56eec83cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking uuid v0.5.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking minilzo v0.2.0
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking generic-array v0.5.1
[INFO] [stderr]     Checking digest-buffer v0.1.2
[INFO] [stderr]     Checking digest v0.2.1
[INFO] [stderr]     Checking sha2 v0.2.0
[INFO] [stderr]     Checking btrfs v1.2.2
[INFO] [stderr]     Checking btrfs-dedupe v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/examine.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try! (
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/examine.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     in try! (
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:175:3
[INFO] [stdout]     |
[INFO] [stdout] 175 |         try! (
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:121:47
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let file_metadata_lists: FileMetadataLists = try! (
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[ macro_use ]
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc/stderr.rs:8:38
[INFO] [stdout]    |
[INFO] [stdout] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/output.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |               stderr! (
[INFO] [stdout]    |  _____________-
[INFO] [stdout] 69 | |                 "\r\x1b[A\x1b[K");
[INFO] [stdout]    | |__________________________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc/stderr.rs:8:38
[INFO] [stdout]    |
[INFO] [stdout] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/output.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |           stderr! (
[INFO] [stdout]    |  _________-
[INFO] [stdout] 77 | |             "{}\r\n",
[INFO] [stdout] 78 | |             status);
[INFO] [stdout]    | |____________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc/stderr.rs:8:38
[INFO] [stdout]    |
[INFO] [stdout] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/output.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |               stderr! (
[INFO] [stdout]    |  _____________-
[INFO] [stdout] 90 | |                 "\r\x1b[A\x1b[K");
[INFO] [stdout]    | |__________________________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc/stderr.rs:8:38
[INFO] [stdout]    |
[INFO] [stdout] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/output.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |           stderr! (
[INFO] [stdout]    |  _________-
[INFO] [stdout] 95 | |             "{}\r\n",
[INFO] [stdout] 96 | |             message);
[INFO] [stdout]    | |_____________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/misc/stderr.rs:8:38
[INFO] [stdout]     |
[INFO] [stdout] 8   |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/output.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |               stderr! (
[INFO] [stdout]     |  _____________-
[INFO] [stdout] 101 | |                 "{}\r\n",
[INFO] [stdout] 102 | |                 self.status.as_ref ().unwrap ());
[INFO] [stdout]     | |_________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/misc/stderr.rs:8:38
[INFO] [stdout]     |
[INFO] [stdout] 8   |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/output.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |               stderr! (
[INFO] [stdout]     |  _____________-
[INFO] [stdout] 115 | |                 "\r\x1b[A\x1b[K");
[INFO] [stdout]     | |__________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/misc/stderr.rs:31:38
[INFO] [stdout]     |
[INFO] [stdout] 31  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/scan.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |               stderrln! (
[INFO] [stdout]     |  _____________-
[INFO] [stdout] 122 | |                 "Ignoring unknown filetype: {:?}: {:?}",
[INFO] [stdout] 123 | |                 file_type,
[INFO] [stdout] 124 | |                 entry.path ());
[INFO] [stdout]     | |_______________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/examine.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 |         try! (
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/examine.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     in try! (
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:41:4
[INFO] [stdout]    |
[INFO] [stdout] 41 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/scan.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 |             try! (
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/scan.rs:175:3
[INFO] [stdout]     |
[INFO] [stdout] 175 |         try! (
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:121:47
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let file_metadata_lists: FileMetadataLists = try! (
[INFO] [stdout]     |                                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[ macro_use ]
[INFO] [stdout]   | ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc/stderr.rs:8:38
[INFO] [stdout]    |
[INFO] [stdout] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/output.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |               stderr! (
[INFO] [stdout]    |  _____________-
[INFO] [stdout] 69 | |                 "\r\x1b[A\x1b[K");
[INFO] [stdout]    | |__________________________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc/stderr.rs:8:38
[INFO] [stdout]    |
[INFO] [stdout] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/output.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |           stderr! (
[INFO] [stdout]    |  _________-
[INFO] [stdout] 77 | |             "{}\r\n",
[INFO] [stdout] 78 | |             status);
[INFO] [stdout]    | |____________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc/stderr.rs:8:38
[INFO] [stdout]    |
[INFO] [stdout] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/output.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |               stderr! (
[INFO] [stdout]    |  _____________-
[INFO] [stdout] 90 | |                 "\r\x1b[A\x1b[K");
[INFO] [stdout]    | |__________________________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/misc/stderr.rs:8:38
[INFO] [stdout]    |
[INFO] [stdout] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/output.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |           stderr! (
[INFO] [stdout]    |  _________-
[INFO] [stdout] 95 | |             "{}\r\n",
[INFO] [stdout] 96 | |             message);
[INFO] [stdout]    | |_____________________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/misc/stderr.rs:8:38
[INFO] [stdout]     |
[INFO] [stdout] 8   |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/output.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |               stderr! (
[INFO] [stdout]     |  _____________-
[INFO] [stdout] 101 | |                 "{}\r\n",
[INFO] [stdout] 102 | |                 self.status.as_ref ().unwrap ());
[INFO] [stdout]     | |_________________________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/misc/stderr.rs:8:38
[INFO] [stdout]     |
[INFO] [stdout] 8   |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/output.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |               stderr! (
[INFO] [stdout]     |  _____________-
[INFO] [stdout] 115 | |                 "\r\x1b[A\x1b[K");
[INFO] [stdout]     | |__________________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/misc/stderr.rs:31:38
[INFO] [stdout]     |
[INFO] [stdout] 31  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: src/scan.rs:121:13
[INFO] [stdout]     |
[INFO] [stdout] 121 |               stderrln! (
[INFO] [stdout]     |  _____________-
[INFO] [stdout] 122 | |                 "Ignoring unknown filetype: {:?}: {:?}",
[INFO] [stdout] 123 | |                 file_type,
[INFO] [stdout] 124 | |                 entry.path ());
[INFO] [stdout]     | |_______________________________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/misc/io.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |         io_error.description ().to_string ()
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/misc/io.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |         io_error.description ().to_string ()
[INFO] [stdout]    |                  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/output.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut terminal =
[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/output.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut terminal =
[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: field is never read: `terminal`
[INFO] [stdout]   --> src/output.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     terminal: Option <RawTerminal <Stdout>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `terminal`
[INFO] [stdout]   --> src/output.rs:10:2
[INFO] [stdout]    |
[INFO] [stdout] 10 |     terminal: Option <RawTerminal <Stdout>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.48s
[INFO] running `Command { std: "docker" "inspect" "7d4671a28f4635752f5c497a3a4d847ac44f61293510ffeddc1bedc56eec83cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d4671a28f4635752f5c497a3a4d847ac44f61293510ffeddc1bedc56eec83cb", kill_on_drop: false }`
[INFO] [stdout] 7d4671a28f4635752f5c497a3a4d847ac44f61293510ffeddc1bedc56eec83cb
