[INFO] crate btrfs-dedupe 1.0.2 is already in cache
[INFO] extracting crate btrfs-dedupe 1.0.2 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/btrfs-dedupe/1.0.2
[INFO] extracting crate btrfs-dedupe 1.0.2 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/btrfs-dedupe/1.0.2
[INFO] validating manifest of btrfs-dedupe-1.0.2 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of btrfs-dedupe-1.0.2 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing btrfs-dedupe-1.0.2
[INFO] finished frobbing btrfs-dedupe-1.0.2
[INFO] frobbed toml for btrfs-dedupe-1.0.2 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/btrfs-dedupe/1.0.2/Cargo.toml
[INFO] started frobbing btrfs-dedupe-1.0.2
[INFO] finished frobbing btrfs-dedupe-1.0.2
[INFO] frobbed toml for btrfs-dedupe-1.0.2 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/btrfs-dedupe/1.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking btrfs-dedupe-1.0.2 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/btrfs-dedupe/1.0.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8354b585da2169e54c2bacbaf182462a6da6ef75fd492738125dff02e4bc342e
[INFO] running `"docker" "start" "-a" "8354b585da2169e54c2bacbaf182462a6da6ef75fd492738125dff02e4bc342e"`
[INFO] [stderr]     Checking byte-tools v0.1.3
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking digest v0.2.1
[INFO] [stderr]     Checking digest-buffer v0.1.2
[INFO] [stderr]     Checking minilzo v0.2.0
[INFO] [stderr]     Checking btrfs v1.2.2
[INFO] [stderr]     Checking sha2 v0.2.0
[INFO] [stderr]     Checking btrfs-dedupe v1.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[ macro_use ]
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/misc/stderr.rs:8:38
[INFO] [stderr]    |
[INFO] [stderr] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/output.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |               stderr! (
[INFO] [stderr]    |  _____________-
[INFO] [stderr] 69 | |                 "\r\x1b[A\x1b[K");
[INFO] [stderr]    | |__________________________________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/misc/stderr.rs:8:38
[INFO] [stderr]    |
[INFO] [stderr] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/output.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |           stderr! (
[INFO] [stderr]    |  _________-
[INFO] [stderr] 77 | |             "{}\r\n",
[INFO] [stderr] 78 | |             status);
[INFO] [stderr]    | |____________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/misc/stderr.rs:8:38
[INFO] [stderr]    |
[INFO] [stderr] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/output.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |               stderr! (
[INFO] [stderr]    |  _____________-
[INFO] [stderr] 90 | |                 "\r\x1b[A\x1b[K");
[INFO] [stderr]    | |__________________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/misc/stderr.rs:8:38
[INFO] [stderr]    |
[INFO] [stderr] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/output.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |           stderr! (
[INFO] [stderr]    |  _________-
[INFO] [stderr] 95 | |             "{}\r\n",
[INFO] [stderr] 96 | |             message);
[INFO] [stderr]    | |_____________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/misc/stderr.rs:8:38
[INFO] [stderr]     |
[INFO] [stderr] 8   |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/output.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |               stderr! (
[INFO] [stderr]     |  _____________-
[INFO] [stderr] 101 | |                 "{}\r\n",
[INFO] [stderr] 102 | |                 self.status.as_ref ().unwrap ());
[INFO] [stderr]     | |_________________________________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/misc/stderr.rs:8:38
[INFO] [stderr]     |
[INFO] [stderr] 8   |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/output.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |               stderr! (
[INFO] [stderr]     |  _____________-
[INFO] [stderr] 115 | |                 "\r\x1b[A\x1b[K");
[INFO] [stderr]     | |__________________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/misc/stderr.rs:31:38
[INFO] [stderr]     |
[INFO] [stderr] 31  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/scan.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |               stderrln! (
[INFO] [stderr]     |  _____________-
[INFO] [stderr] 122 | |                 "Ignoring unknown filetype: {:?}: {:?}",
[INFO] [stderr] 123 | |                 file_type,
[INFO] [stderr] 124 | |                 entry.path ());
[INFO] [stderr]     | |_______________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[ macro_use ]
[INFO] [stderr]   | ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/misc/stderr.rs:8:38
[INFO] [stderr]    |
[INFO] [stderr] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/output.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |               stderr! (
[INFO] [stderr]    |  _____________-
[INFO] [stderr] 69 | |                 "\r\x1b[A\x1b[K");
[INFO] [stderr]    | |__________________________________- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/misc/stderr.rs:8:38
[INFO] [stderr]    |
[INFO] [stderr] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/output.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |           stderr! (
[INFO] [stderr]    |  _________-
[INFO] [stderr] 77 | |             "{}\r\n",
[INFO] [stderr] 78 | |             status);
[INFO] [stderr]    | |____________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/misc/stderr.rs:8:38
[INFO] [stderr]    |
[INFO] [stderr] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/output.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |               stderr! (
[INFO] [stderr]    |  _____________-
[INFO] [stderr] 90 | |                 "\r\x1b[A\x1b[K");
[INFO] [stderr]    | |__________________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/misc/stderr.rs:8:38
[INFO] [stderr]    |
[INFO] [stderr] 8  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/output.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |           stderr! (
[INFO] [stderr]    |  _________-
[INFO] [stderr] 95 | |             "{}\r\n",
[INFO] [stderr] 96 | |             message);
[INFO] [stderr]    | |_____________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/misc/stderr.rs:8:38
[INFO] [stderr]     |
[INFO] [stderr] 8   |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/output.rs:100:13
[INFO] [stderr]     |
[INFO] [stderr] 100 |               stderr! (
[INFO] [stderr]     |  _____________-
[INFO] [stderr] 101 | |                 "{}\r\n",
[INFO] [stderr] 102 | |                 self.status.as_ref ().unwrap ());
[INFO] [stderr]     | |_________________________________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/misc/stderr.rs:8:38
[INFO] [stderr]     |
[INFO] [stderr] 8   |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/output.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |               stderr! (
[INFO] [stderr]     |  _____________-
[INFO] [stderr] 115 | |                 "\r\x1b[A\x1b[K");
[INFO] [stderr]     | |__________________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/misc/stderr.rs:31:38
[INFO] [stderr]     |
[INFO] [stderr] 31  |               &mut ::std::io::stderr () as &mut ::std::io::Write,
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::io::Write)`
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/scan.rs:121:13
[INFO] [stderr]     |
[INFO] [stderr] 121 |               stderrln! (
[INFO] [stderr]     |  _____________-
[INFO] [stderr] 122 | |                 "Ignoring unknown filetype: {:?}: {:?}",
[INFO] [stderr] 123 | |                 file_type,
[INFO] [stderr] 124 | |                 entry.path ());
[INFO] [stderr]     | |_______________________________- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/output.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut terminal =
[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: field is never used: `terminal`
[INFO] [stderr]   --> src/output.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     terminal: Option <RawTerminal <Stdout>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/output.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut terminal =
[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: field is never used: `terminal`
[INFO] [stderr]   --> src/output.rs:10:2
[INFO] [stderr]    |
[INFO] [stderr] 10 |     terminal: Option <RawTerminal <Stdout>>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.66s
[INFO] running `"docker" "inspect" "8354b585da2169e54c2bacbaf182462a6da6ef75fd492738125dff02e4bc342e"`
[INFO] running `"docker" "rm" "-f" "8354b585da2169e54c2bacbaf182462a6da6ef75fd492738125dff02e4bc342e"`
[INFO] [stdout] 8354b585da2169e54c2bacbaf182462a6da6ef75fd492738125dff02e4bc342e