[INFO] cloning repository https://github.com/mkpankov/writeork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkpankov/writeork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Fwriteork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Fwriteork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b69c17434c315cb27973ef9372947b6830304bf
[INFO] testing mkpankov/writeork against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Fwriteork" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkpankov/writeork on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mkpankov/writeork
[INFO] finished tweaking git repo https://github.com/mkpankov/writeork
[INFO] tweaked toml for git repo https://github.com/mkpankov/writeork written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mkpankov/writeork already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-10/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aec8624257c612c6b16ed2afee1fe75f78fbf2068620fb343ded5e62ceb31a50
[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" "aec8624257c612c6b16ed2afee1fe75f78fbf2068620fb343ded5e62ceb31a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aec8624257c612c6b16ed2afee1fe75f78fbf2068620fb343ded5e62ceb31a50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec8624257c612c6b16ed2afee1fe75f78fbf2068620fb343ded5e62ceb31a50", kill_on_drop: false }`
[INFO] [stdout] aec8624257c612c6b16ed2afee1fe75f78fbf2068620fb343ded5e62ceb31a50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 957a291a093fc9a91d9c5b821f7e339cb76ed4523ddadd526dbf65ce375b2e65
[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" "957a291a093fc9a91d9c5b821f7e339cb76ed4523ddadd526dbf65ce375b2e65", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling writeork v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/elf/elf_ident.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             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/elf/helpers.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             try!(validate_elf_magic(&v[..EI_MAGIC_SIZE]));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/elf/b32/helpers.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | read_ehdr!(Elf32_Ehdr);
[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/elf/helpers.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             try!(validate_elf_magic(&v[..EI_MAGIC_SIZE]));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/elf/b64/helpers.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | read_ehdr!(Elf64_Ehdr);
[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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/elf/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         ::std::mem::uninitialized()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/elf/mod.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         ::std::mem::uninitialized()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/elf/mod.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         ::std::mem::uninitialized()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.54s
[INFO] running `Command { std: "docker" "inspect" "957a291a093fc9a91d9c5b821f7e339cb76ed4523ddadd526dbf65ce375b2e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957a291a093fc9a91d9c5b821f7e339cb76ed4523ddadd526dbf65ce375b2e65", kill_on_drop: false }`
[INFO] [stdout] 957a291a093fc9a91d9c5b821f7e339cb76ed4523ddadd526dbf65ce375b2e65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7406b844211769a0829eacaa482a61c7f3769de1c2d8e4bacb5d12c1a09658b7
[INFO] running `Command { std: "docker" "start" "-a" "7406b844211769a0829eacaa482a61c7f3769de1c2d8e4bacb5d12c1a09658b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling writeork v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/elf/elf_ident.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             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/elf/helpers.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             try!(validate_elf_magic(&v[..EI_MAGIC_SIZE]));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/elf/b32/helpers.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | read_ehdr!(Elf32_Ehdr);
[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/elf/helpers.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |             try!(validate_elf_magic(&v[..EI_MAGIC_SIZE]));
[INFO] [stdout]    |             ^^^
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/elf/b64/helpers.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | read_ehdr!(Elf64_Ehdr);
[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 function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/elf/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         ::std::mem::uninitialized()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/elf/mod.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |         ::std::mem::uninitialized()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/elf/mod.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         ::std::mem::uninitialized()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.54s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7406b844211769a0829eacaa482a61c7f3769de1c2d8e4bacb5d12c1a09658b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7406b844211769a0829eacaa482a61c7f3769de1c2d8e4bacb5d12c1a09658b7", kill_on_drop: false }`
[INFO] [stdout] 7406b844211769a0829eacaa482a61c7f3769de1c2d8e4bacb5d12c1a09658b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab64fff0df5ae3acd9b03ffdd08c4849aee5ed7b7b2728359a6b3f782b2fff50
[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" "ab64fff0df5ae3acd9b03ffdd08c4849aee5ed7b7b2728359a6b3f782b2fff50", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/elf/elf_ident.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |             try!(
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/elf/helpers.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |             try!(validate_elf_magic(&v[..EI_MAGIC_SIZE]));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/elf/b32/helpers.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | read_ehdr!(Elf32_Ehdr);
[INFO] [stderr]    | ----------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/elf/helpers.rs:13:13
[INFO] [stderr]    |
[INFO] [stderr] 13 |             try!(validate_elf_magic(&v[..EI_MAGIC_SIZE]));
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/elf/b64/helpers.rs:6:1
[INFO] [stderr]    |
[INFO] [stderr] 6  | read_ehdr!(Elf64_Ehdr);
[INFO] [stderr]    | ----------------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/elf/mod.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         ::std::mem::uninitialized()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/elf/mod.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         ::std::mem::uninitialized()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/elf/mod.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         ::std::mem::uninitialized()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/writeork-a182a094b6ffb94e
[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 `Command { std: "docker" "inspect" "ab64fff0df5ae3acd9b03ffdd08c4849aee5ed7b7b2728359a6b3f782b2fff50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab64fff0df5ae3acd9b03ffdd08c4849aee5ed7b7b2728359a6b3f782b2fff50", kill_on_drop: false }`
[INFO] [stdout] ab64fff0df5ae3acd9b03ffdd08c4849aee5ed7b7b2728359a6b3f782b2fff50