[INFO] crate genelf 0.2.4 is already in cache
[INFO] testing genelf-0.2.4 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate genelf 0.2.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate genelf 0.2.4 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate genelf 0.2.4
[INFO] finished tweaking crates.io crate genelf 0.2.4
[INFO] tweaked toml for crates.io crate genelf 0.2.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 233956cba86658710a68bf37247c23e860231c67ff2729fb70d68200c0151b8f
[INFO] running `"docker" "start" "-a" "233956cba86658710a68bf37247c23e860231c67ff2729fb70d68200c0151b8f"`
[INFO] [stderr]    Compiling genelf v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/elf/elf.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |         ((u[0] == 0x7f) && (u[1] == 0x45) && (u[2] == 0x4c) && (u[3] == 0x46))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/elf/elf.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         ((u[18] == 0x3e) && (u[19] == 0x00))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/elf/elf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_emagic`
[INFO] [stderr]    --> src/elf/elf.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn check_emagic(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_etype`
[INFO] [stderr]    --> src/elf/elf.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn check_etype(u: u16) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_machine`
[INFO] [stderr]    --> src/elf/elf.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn check_machine(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `len`
[INFO] [stderr]    --> src/elf/elf.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     len: usize,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `"docker" "inspect" "233956cba86658710a68bf37247c23e860231c67ff2729fb70d68200c0151b8f"`
[INFO] running `"docker" "rm" "-f" "233956cba86658710a68bf37247c23e860231c67ff2729fb70d68200c0151b8f"`
[INFO] [stdout] 233956cba86658710a68bf37247c23e860231c67ff2729fb70d68200c0151b8f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 184914eb7e7f9f4fd136ea704f3f2cd03ab7c401846e00a0be4255ce851206cb
[INFO] running `"docker" "start" "-a" "184914eb7e7f9f4fd136ea704f3f2cd03ab7c401846e00a0be4255ce851206cb"`
[INFO] [stderr]    Compiling genelf v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/elf/elf.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |         ((u[0] == 0x7f) && (u[1] == 0x45) && (u[2] == 0x4c) && (u[3] == 0x46))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/elf/elf.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         ((u[18] == 0x3e) && (u[19] == 0x00))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/elf/elf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_emagic`
[INFO] [stderr]    --> src/elf/elf.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn check_emagic(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_etype`
[INFO] [stderr]    --> src/elf/elf.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn check_etype(u: u16) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_machine`
[INFO] [stderr]    --> src/elf/elf.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn check_machine(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `len`
[INFO] [stderr]    --> src/elf/elf.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     len: usize,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/elf/elf.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |         ((u[0] == 0x7f) && (u[1] == 0x45) && (u[2] == 0x4c) && (u[3] == 0x46))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/elf/elf.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         ((u[18] == 0x3e) && (u[19] == 0x00))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/elf/elf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_emagic`
[INFO] [stderr]    --> src/elf/elf.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn check_emagic(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_etype`
[INFO] [stderr]    --> src/elf/elf.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn check_etype(u: u16) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_machine`
[INFO] [stderr]    --> src/elf/elf.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn check_machine(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `len`
[INFO] [stderr]    --> src/elf/elf.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     len: usize,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "184914eb7e7f9f4fd136ea704f3f2cd03ab7c401846e00a0be4255ce851206cb"`
[INFO] running `"docker" "rm" "-f" "184914eb7e7f9f4fd136ea704f3f2cd03ab7c401846e00a0be4255ce851206cb"`
[INFO] [stdout] 184914eb7e7f9f4fd136ea704f3f2cd03ab7c401846e00a0be4255ce851206cb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69b2890a168f86a4b6a73fb5b0a5e8cd1cef84809961323e0dc14dfdd3d52de9
[INFO] running `"docker" "start" "-a" "69b2890a168f86a4b6a73fb5b0a5e8cd1cef84809961323e0dc14dfdd3d52de9"`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/elf/elf.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |         ((u[0] == 0x7f) && (u[1] == 0x45) && (u[2] == 0x4c) && (u[3] == 0x46))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/elf/elf.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         ((u[18] == 0x3e) && (u[19] == 0x00))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/elf/elf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_emagic`
[INFO] [stderr]    --> src/elf/elf.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn check_emagic(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_etype`
[INFO] [stderr]    --> src/elf/elf.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn check_etype(u: u16) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_machine`
[INFO] [stderr]    --> src/elf/elf.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn check_machine(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `len`
[INFO] [stderr]    --> src/elf/elf.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     len: usize,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/elf/elf.rs:178:9
[INFO] [stderr]     |
[INFO] [stderr] 178 |         ((u[0] == 0x7f) && (u[1] == 0x45) && (u[2] == 0x4c) && (u[3] == 0x46))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/elf/elf.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         ((u[18] == 0x3e) && (u[19] == 0x00))
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/elf/elf.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_emagic`
[INFO] [stderr]    --> src/elf/elf.rs:177:5
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn check_emagic(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_etype`
[INFO] [stderr]    --> src/elf/elf.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn check_etype(u: u16) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_machine`
[INFO] [stderr]    --> src/elf/elf.rs:183:5
[INFO] [stderr]     |
[INFO] [stderr] 183 |     fn check_machine(u: &Vec<u8>) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `len`
[INFO] [stderr]    --> src/elf/elf.rs:268:5
[INFO] [stderr]     |
[INFO] [stderr] 268 |     len: usize,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/genelf-8b078441f872ed8d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests genelf
[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" "69b2890a168f86a4b6a73fb5b0a5e8cd1cef84809961323e0dc14dfdd3d52de9"`
[INFO] running `"docker" "rm" "-f" "69b2890a168f86a4b6a73fb5b0a5e8cd1cef84809961323e0dc14dfdd3d52de9"`
[INFO] [stdout] 69b2890a168f86a4b6a73fb5b0a5e8cd1cef84809961323e0dc14dfdd3d52de9