[INFO] updating cached repository rkanati/sleeper
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rkanati/sleeper
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rkanati/sleeper" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/rkanati/sleeper"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/rkanati/sleeper'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rkanati/sleeper" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rkanati/sleeper"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rkanati/sleeper'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 88d309c7c4d69b661b082b47e2d5ab8d1c9a8407
[INFO] sha for GitHub repo rkanati/sleeper: 88d309c7c4d69b661b082b47e2d5ab8d1c9a8407
[INFO] validating manifest of rkanati/sleeper on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rkanati/sleeper on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rkanati/sleeper
[INFO] finished frobbing rkanati/sleeper
[INFO] frobbed toml for rkanati/sleeper written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/rkanati/sleeper/Cargo.toml
[INFO] started frobbing rkanati/sleeper
[INFO] finished frobbing rkanati/sleeper
[INFO] frobbed toml for rkanati/sleeper written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rkanati/sleeper/Cargo.toml
[INFO] crate rkanati/sleeper already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rkanati/sleeper against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/rkanati/sleeper:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 21a14f80a9d2e2749b5faca7187841652c254e16efcb13e7e693cc72297a2c1e
[INFO] running `"docker" "start" "-a" "21a14f80a9d2e2749b5faca7187841652c254e16efcb13e7e693cc72297a2c1e"`
[INFO] [stderr]     Checking sleeper v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/assembler.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let value = (abs - pc as i32);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `str`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         str,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/assembler.rs:38:21
[INFO] [stderr]    |
[INFO] [stderr] 38 |         let value = (abs - pc as i32);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `str`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |         str,
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NOp`
[INFO] [stderr]   --> src/assembler.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     NOp,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LdW`
[INFO] [stderr]   --> src/assembler.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     LdW(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `StW`
[INFO] [stderr]   --> src/assembler.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     StW(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/assembler.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     Add(Reg, Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sub`
[INFO] [stderr]   --> src/assembler.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     Sub(Reg, Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]   --> src/assembler.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     And(Reg, Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]   --> src/assembler.rs:84:6
[INFO] [stderr]    |
[INFO] [stderr] 84 |      Or(Reg, Reg, Reg),
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `XOr`
[INFO] [stderr]   --> src/assembler.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     XOr(Reg, Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Not`
[INFO] [stderr]   --> src/assembler.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     Not(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dec`
[INFO] [stderr]   --> src/assembler.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Dec(Reg, Imm),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SL`
[INFO] [stderr]   --> src/assembler.rs:89:6
[INFO] [stderr]    |
[INFO] [stderr] 89 |      SL(Reg, Reg, Reg),
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SR`
[INFO] [stderr]   --> src/assembler.rs:90:6
[INFO] [stderr]    |
[INFO] [stderr] 90 |      SR(Reg, Reg, Reg),
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SA`
[INFO] [stderr]   --> src/assembler.rs:91:6
[INFO] [stderr]    |
[INFO] [stderr] 91 |      SA(Reg, Reg, Reg),
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SLI`
[INFO] [stderr]   --> src/assembler.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     SLI(Reg, Reg, Imm),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SRI`
[INFO] [stderr]   --> src/assembler.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     SRI(Reg, Reg, Imm),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SAI`
[INFO] [stderr]   --> src/assembler.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     SAI(Reg, Reg, Imm),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TNE`
[INFO] [stderr]   --> src/assembler.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     TNE(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TGT`
[INFO] [stderr]   --> src/assembler.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     TGT(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TLT`
[INFO] [stderr]   --> src/assembler.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     TLT(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TGE`
[INFO] [stderr]   --> src/assembler.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     TGE(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TLE`
[INFO] [stderr]    --> src/assembler.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     TLE(Reg, Reg),
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `J`
[INFO] [stderr]    --> src/assembler.rs:103:7
[INFO] [stderr]     |
[INFO] [stderr] 103 |       J(Reg, Imm),
[INFO] [stderr]     |       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]    --> src/assembler.rs:104:7
[INFO] [stderr]     |
[INFO] [stderr] 104 |       B(Reg, Reg, Imm)
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Reserve`
[INFO] [stderr]    --> src/assembler.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     Reserve(u32),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DataWords`
[INFO] [stderr]    --> src/assembler.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     DataWords(&'static [u8]),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NOp`
[INFO] [stderr]   --> src/assembler.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     NOp,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `LdW`
[INFO] [stderr]   --> src/assembler.rs:76:5
[INFO] [stderr]    |
[INFO] [stderr] 76 |     LdW(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `StW`
[INFO] [stderr]   --> src/assembler.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     StW(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Add`
[INFO] [stderr]   --> src/assembler.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     Add(Reg, Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Sub`
[INFO] [stderr]   --> src/assembler.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 |     Sub(Reg, Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `And`
[INFO] [stderr]   --> src/assembler.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     And(Reg, Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Or`
[INFO] [stderr]   --> src/assembler.rs:84:6
[INFO] [stderr]    |
[INFO] [stderr] 84 |      Or(Reg, Reg, Reg),
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `XOr`
[INFO] [stderr]   --> src/assembler.rs:85:5
[INFO] [stderr]    |
[INFO] [stderr] 85 |     XOr(Reg, Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Not`
[INFO] [stderr]   --> src/assembler.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     Not(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dec`
[INFO] [stderr]   --> src/assembler.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     Dec(Reg, Imm),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SL`
[INFO] [stderr]   --> src/assembler.rs:89:6
[INFO] [stderr]    |
[INFO] [stderr] 89 |      SL(Reg, Reg, Reg),
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SR`
[INFO] [stderr]   --> src/assembler.rs:90:6
[INFO] [stderr]    |
[INFO] [stderr] 90 |      SR(Reg, Reg, Reg),
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SA`
[INFO] [stderr]   --> src/assembler.rs:91:6
[INFO] [stderr]    |
[INFO] [stderr] 91 |      SA(Reg, Reg, Reg),
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SLI`
[INFO] [stderr]   --> src/assembler.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     SLI(Reg, Reg, Imm),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SRI`
[INFO] [stderr]   --> src/assembler.rs:93:5
[INFO] [stderr]    |
[INFO] [stderr] 93 |     SRI(Reg, Reg, Imm),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SAI`
[INFO] [stderr]   --> src/assembler.rs:94:5
[INFO] [stderr]    |
[INFO] [stderr] 94 |     SAI(Reg, Reg, Imm),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TNE`
[INFO] [stderr]   --> src/assembler.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     TNE(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TGT`
[INFO] [stderr]   --> src/assembler.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     TGT(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TLT`
[INFO] [stderr]   --> src/assembler.rs:98:5
[INFO] [stderr]    |
[INFO] [stderr] 98 |     TLT(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TGE`
[INFO] [stderr]   --> src/assembler.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     TGE(Reg, Reg),
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TLE`
[INFO] [stderr]    --> src/assembler.rs:100:5
[INFO] [stderr]     |
[INFO] [stderr] 100 |     TLE(Reg, Reg),
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `J`
[INFO] [stderr]    --> src/assembler.rs:103:7
[INFO] [stderr]     |
[INFO] [stderr] 103 |       J(Reg, Imm),
[INFO] [stderr]     |       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]    --> src/assembler.rs:104:7
[INFO] [stderr]     |
[INFO] [stderr] 104 |       B(Reg, Reg, Imm)
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Reserve`
[INFO] [stderr]    --> src/assembler.rs:155:5
[INFO] [stderr]     |
[INFO] [stderr] 155 |     Reserve(u32),
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DataWords`
[INFO] [stderr]    --> src/assembler.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     DataWords(&'static [u8]),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `"docker" "inspect" "21a14f80a9d2e2749b5faca7187841652c254e16efcb13e7e693cc72297a2c1e"`
[INFO] running `"docker" "rm" "-f" "21a14f80a9d2e2749b5faca7187841652c254e16efcb13e7e693cc72297a2c1e"`
[INFO] [stdout] 21a14f80a9d2e2749b5faca7187841652c254e16efcb13e7e693cc72297a2c1e