[INFO] crate ptracer 0.1.0 is already in cache
[INFO] extracting crate ptracer 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/ptracer/0.1.0
[INFO] extracting crate ptracer 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ptracer/0.1.0
[INFO] validating manifest of ptracer-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ptracer-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ptracer-0.1.0
[INFO] finished frobbing ptracer-0.1.0
[INFO] frobbed toml for ptracer-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ptracer/0.1.0/Cargo.toml
[INFO] started frobbing ptracer-0.1.0
[INFO] finished frobbing ptracer-0.1.0
[INFO] frobbed toml for ptracer-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ptracer/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ptracer-0.1.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ptracer/0.1.0:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 77821d3b89b15057e300f7358ded2f063ff9c6c9ac61c6cb6691ff9292733c62
[INFO] running `"docker" "start" "-a" "77821d3b89b15057e300f7358ded2f063ff9c6c9ac61c6cb6691ff9292733c62"`
[INFO] [stderr]    Compiling ptracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / macro_rules! dprint {
[INFO] [stderr] 21 | |     ($( $args:expr ),*) => {};
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_general_purpose_registers`
[INFO] [stderr]    --> src/lib.rs:467:1
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn set_general_purpose_registers(pid: libc::pid_t, regs: &libc::user_regs_struct) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_word`
[INFO] [stderr]    --> src/lib.rs:493:1
[INFO] [stderr]     |
[INFO] [stderr] 493 | fn read_word(pid: i32, address: u64) -> u64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_register`
[INFO] [stderr]    --> src/lib.rs:497:1
[INFO] [stderr]     |
[INFO] [stderr] 497 | fn get_register(pid: i32, reg: Register) -> u64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_siginfo`
[INFO] [stderr]    --> src/lib.rs:517:1
[INFO] [stderr]     |
[INFO] [stderr] 517 | fn get_siginfo(pid: i32) -> libc::siginfo_t {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R15`
[INFO] [stderr]    --> src/lib.rs:531:5
[INFO] [stderr]     |
[INFO] [stderr] 531 |     R15 = libc::R15 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R14`
[INFO] [stderr]    --> src/lib.rs:532:5
[INFO] [stderr]     |
[INFO] [stderr] 532 |     R14 = libc::R14 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R13`
[INFO] [stderr]    --> src/lib.rs:533:5
[INFO] [stderr]     |
[INFO] [stderr] 533 |     R13 = libc::R13 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R12`
[INFO] [stderr]    --> src/lib.rs:534:5
[INFO] [stderr]     |
[INFO] [stderr] 534 |     R12 = libc::R12 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RBP`
[INFO] [stderr]    --> src/lib.rs:535:5
[INFO] [stderr]     |
[INFO] [stderr] 535 |     RBP = libc::RBP as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RBX`
[INFO] [stderr]    --> src/lib.rs:536:5
[INFO] [stderr]     |
[INFO] [stderr] 536 |     RBX = libc::RBX as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R11`
[INFO] [stderr]    --> src/lib.rs:537:5
[INFO] [stderr]     |
[INFO] [stderr] 537 |     R11 = libc::R11 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R10`
[INFO] [stderr]    --> src/lib.rs:538:5
[INFO] [stderr]     |
[INFO] [stderr] 538 |     R10 = libc::R10 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R9`
[INFO] [stderr]    --> src/lib.rs:539:5
[INFO] [stderr]     |
[INFO] [stderr] 539 |     R9 = libc::R9 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R8`
[INFO] [stderr]    --> src/lib.rs:540:5
[INFO] [stderr]     |
[INFO] [stderr] 540 |     R8 = libc::R8 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RAX`
[INFO] [stderr]    --> src/lib.rs:541:5
[INFO] [stderr]     |
[INFO] [stderr] 541 |     RAX = libc::RAX as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RCX`
[INFO] [stderr]    --> src/lib.rs:542:5
[INFO] [stderr]     |
[INFO] [stderr] 542 |     RCX = libc::RCX as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RDX`
[INFO] [stderr]    --> src/lib.rs:543:5
[INFO] [stderr]     |
[INFO] [stderr] 543 |     RDX = libc::RDX as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RSI`
[INFO] [stderr]    --> src/lib.rs:544:5
[INFO] [stderr]     |
[INFO] [stderr] 544 |     RSI = libc::RSI as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RDI`
[INFO] [stderr]    --> src/lib.rs:545:5
[INFO] [stderr]     |
[INFO] [stderr] 545 |     RDI = libc::RDI as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ORIG_RAX`
[INFO] [stderr]    --> src/lib.rs:546:5
[INFO] [stderr]     |
[INFO] [stderr] 546 |     ORIG_RAX = libc::ORIG_RAX as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CS`
[INFO] [stderr]    --> src/lib.rs:548:5
[INFO] [stderr]     |
[INFO] [stderr] 548 |     CS = libc::CS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EFLAGS`
[INFO] [stderr]    --> src/lib.rs:549:5
[INFO] [stderr]     |
[INFO] [stderr] 549 |     EFLAGS = libc::EFLAGS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RSP`
[INFO] [stderr]    --> src/lib.rs:550:5
[INFO] [stderr]     |
[INFO] [stderr] 550 |     RSP = libc::RSP as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SS`
[INFO] [stderr]    --> src/lib.rs:551:5
[INFO] [stderr]     |
[INFO] [stderr] 551 |     SS = libc::SS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FS_BASE`
[INFO] [stderr]    --> src/lib.rs:552:5
[INFO] [stderr]     |
[INFO] [stderr] 552 |     FS_BASE = libc::FS_BASE as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GS_BASE`
[INFO] [stderr]    --> src/lib.rs:553:5
[INFO] [stderr]     |
[INFO] [stderr] 553 |     GS_BASE = libc::GS_BASE as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DS`
[INFO] [stderr]    --> src/lib.rs:554:5
[INFO] [stderr]     |
[INFO] [stderr] 554 |     DS = libc::DS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ES`
[INFO] [stderr]    --> src/lib.rs:555:5
[INFO] [stderr]     |
[INFO] [stderr] 555 |     ES = libc::ES as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FS`
[INFO] [stderr]    --> src/lib.rs:556:5
[INFO] [stderr]     |
[INFO] [stderr] 556 |     FS = libc::FS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GS`
[INFO] [stderr]    --> src/lib.rs:557:5
[INFO] [stderr]     |
[INFO] [stderr] 557 |     GS = libc::GS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `"docker" "inspect" "77821d3b89b15057e300f7358ded2f063ff9c6c9ac61c6cb6691ff9292733c62"`
[INFO] running `"docker" "rm" "-f" "77821d3b89b15057e300f7358ded2f063ff9c6c9ac61c6cb6691ff9292733c62"`
[INFO] [stdout] 77821d3b89b15057e300f7358ded2f063ff9c6c9ac61c6cb6691ff9292733c62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ptracer/0.1.0:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 565f588b21d9519b2145731ebaa09cce35a83705c078fe79d27522951a7c64d7
[INFO] running `"docker" "start" "-a" "565f588b21d9519b2145731ebaa09cce35a83705c078fe79d27522951a7c64d7"`
[INFO] [stderr]    Compiling ptracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/lib.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | / macro_rules! dprint {
[INFO] [stderr] 21 | |     ($( $args:expr ),*) => {};
[INFO] [stderr] 22 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `set_general_purpose_registers`
[INFO] [stderr]    --> src/lib.rs:467:1
[INFO] [stderr]     |
[INFO] [stderr] 467 | fn set_general_purpose_registers(pid: libc::pid_t, regs: &libc::user_regs_struct) {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_word`
[INFO] [stderr]    --> src/lib.rs:493:1
[INFO] [stderr]     |
[INFO] [stderr] 493 | fn read_word(pid: i32, address: u64) -> u64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_register`
[INFO] [stderr]    --> src/lib.rs:497:1
[INFO] [stderr]     |
[INFO] [stderr] 497 | fn get_register(pid: i32, reg: Register) -> u64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_siginfo`
[INFO] [stderr]    --> src/lib.rs:517:1
[INFO] [stderr]     |
[INFO] [stderr] 517 | fn get_siginfo(pid: i32) -> libc::siginfo_t {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R15`
[INFO] [stderr]    --> src/lib.rs:531:5
[INFO] [stderr]     |
[INFO] [stderr] 531 |     R15 = libc::R15 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R14`
[INFO] [stderr]    --> src/lib.rs:532:5
[INFO] [stderr]     |
[INFO] [stderr] 532 |     R14 = libc::R14 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R13`
[INFO] [stderr]    --> src/lib.rs:533:5
[INFO] [stderr]     |
[INFO] [stderr] 533 |     R13 = libc::R13 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R12`
[INFO] [stderr]    --> src/lib.rs:534:5
[INFO] [stderr]     |
[INFO] [stderr] 534 |     R12 = libc::R12 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RBP`
[INFO] [stderr]    --> src/lib.rs:535:5
[INFO] [stderr]     |
[INFO] [stderr] 535 |     RBP = libc::RBP as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RBX`
[INFO] [stderr]    --> src/lib.rs:536:5
[INFO] [stderr]     |
[INFO] [stderr] 536 |     RBX = libc::RBX as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R11`
[INFO] [stderr]    --> src/lib.rs:537:5
[INFO] [stderr]     |
[INFO] [stderr] 537 |     R11 = libc::R11 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R10`
[INFO] [stderr]    --> src/lib.rs:538:5
[INFO] [stderr]     |
[INFO] [stderr] 538 |     R10 = libc::R10 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R9`
[INFO] [stderr]    --> src/lib.rs:539:5
[INFO] [stderr]     |
[INFO] [stderr] 539 |     R9 = libc::R9 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `R8`
[INFO] [stderr]    --> src/lib.rs:540:5
[INFO] [stderr]     |
[INFO] [stderr] 540 |     R8 = libc::R8 as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RAX`
[INFO] [stderr]    --> src/lib.rs:541:5
[INFO] [stderr]     |
[INFO] [stderr] 541 |     RAX = libc::RAX as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RCX`
[INFO] [stderr]    --> src/lib.rs:542:5
[INFO] [stderr]     |
[INFO] [stderr] 542 |     RCX = libc::RCX as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RDX`
[INFO] [stderr]    --> src/lib.rs:543:5
[INFO] [stderr]     |
[INFO] [stderr] 543 |     RDX = libc::RDX as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RSI`
[INFO] [stderr]    --> src/lib.rs:544:5
[INFO] [stderr]     |
[INFO] [stderr] 544 |     RSI = libc::RSI as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RDI`
[INFO] [stderr]    --> src/lib.rs:545:5
[INFO] [stderr]     |
[INFO] [stderr] 545 |     RDI = libc::RDI as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ORIG_RAX`
[INFO] [stderr]    --> src/lib.rs:546:5
[INFO] [stderr]     |
[INFO] [stderr] 546 |     ORIG_RAX = libc::ORIG_RAX as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CS`
[INFO] [stderr]    --> src/lib.rs:548:5
[INFO] [stderr]     |
[INFO] [stderr] 548 |     CS = libc::CS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EFLAGS`
[INFO] [stderr]    --> src/lib.rs:549:5
[INFO] [stderr]     |
[INFO] [stderr] 549 |     EFLAGS = libc::EFLAGS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `RSP`
[INFO] [stderr]    --> src/lib.rs:550:5
[INFO] [stderr]     |
[INFO] [stderr] 550 |     RSP = libc::RSP as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `SS`
[INFO] [stderr]    --> src/lib.rs:551:5
[INFO] [stderr]     |
[INFO] [stderr] 551 |     SS = libc::SS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FS_BASE`
[INFO] [stderr]    --> src/lib.rs:552:5
[INFO] [stderr]     |
[INFO] [stderr] 552 |     FS_BASE = libc::FS_BASE as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GS_BASE`
[INFO] [stderr]    --> src/lib.rs:553:5
[INFO] [stderr]     |
[INFO] [stderr] 553 |     GS_BASE = libc::GS_BASE as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `DS`
[INFO] [stderr]    --> src/lib.rs:554:5
[INFO] [stderr]     |
[INFO] [stderr] 554 |     DS = libc::DS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ES`
[INFO] [stderr]    --> src/lib.rs:555:5
[INFO] [stderr]     |
[INFO] [stderr] 555 |     ES = libc::ES as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `FS`
[INFO] [stderr]    --> src/lib.rs:556:5
[INFO] [stderr]     |
[INFO] [stderr] 556 |     FS = libc::FS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `GS`
[INFO] [stderr]    --> src/lib.rs:557:5
[INFO] [stderr]     |
[INFO] [stderr] 557 |     GS = libc::GS as isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `"docker" "inspect" "565f588b21d9519b2145731ebaa09cce35a83705c078fe79d27522951a7c64d7"`
[INFO] running `"docker" "rm" "-f" "565f588b21d9519b2145731ebaa09cce35a83705c078fe79d27522951a7c64d7"`
[INFO] [stdout] 565f588b21d9519b2145731ebaa09cce35a83705c078fe79d27522951a7c64d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ptracer/0.1.0:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] a1733a5fc562d2bda36c7517ec1638ce6497c0570b008ab811e1ad4fb9e31e85
[INFO] running `"docker" "start" "-a" "a1733a5fc562d2bda36c7517ec1638ce6497c0570b008ab811e1ad4fb9e31e85"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ptracer-102a6592e08f1b25
[INFO] [stderr]    Doc-tests ptracer
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a1733a5fc562d2bda36c7517ec1638ce6497c0570b008ab811e1ad4fb9e31e85"`
[INFO] running `"docker" "rm" "-f" "a1733a5fc562d2bda36c7517ec1638ce6497c0570b008ab811e1ad4fb9e31e85"`
[INFO] [stdout] a1733a5fc562d2bda36c7517ec1638ce6497c0570b008ab811e1ad4fb9e31e85