[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#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Fwriteork" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkpankov/writeork on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-2/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v0.10.5
[INFO] [stderr]   Downloaded ansi_term v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7f766ffeec7a3311bae279144567ab60a43ea684027def57e0ca68133b05569
[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" "c7f766ffeec7a3311bae279144567ab60a43ea684027def57e0ca68133b05569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7f766ffeec7a3311bae279144567ab60a43ea684027def57e0ca68133b05569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7f766ffeec7a3311bae279144567ab60a43ea684027def57e0ca68133b05569", kill_on_drop: false }`
[INFO] [stdout] c7f766ffeec7a3311bae279144567ab60a43ea684027def57e0ca68133b05569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--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] 4cb1ef204d1b47aca9f3663fca71794548ed6bed3ff82c7fc49754f856627ba0
[INFO] running `Command { std: "docker" "start" "-a" "4cb1ef204d1b47aca9f3663fca71794548ed6bed3ff82c7fc49754f856627ba0", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.6.1
[INFO] [stderr]    Compiling strsim v0.3.0
[INFO] [stderr]    Compiling clap v0.10.5
[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 the macro `read_ehdr` (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 the macro `read_ehdr` (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:39:21
[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:46:21
[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:53:21
[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 7.84s
[INFO] running `Command { std: "docker" "inspect" "4cb1ef204d1b47aca9f3663fca71794548ed6bed3ff82c7fc49754f856627ba0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cb1ef204d1b47aca9f3663fca71794548ed6bed3ff82c7fc49754f856627ba0", kill_on_drop: false }`
[INFO] [stdout] 4cb1ef204d1b47aca9f3663fca71794548ed6bed3ff82c7fc49754f856627ba0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 03347a2163f22a99fee543eb8da9dc4b0739c5200ce5f10345bf8e09da145704
[INFO] running `Command { std: "docker" "start" "-a" "03347a2163f22a99fee543eb8da9dc4b0739c5200ce5f10345bf8e09da145704", 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 the macro `read_ehdr` (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 the macro `read_ehdr` (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:39:21
[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:46:21
[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:53:21
[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 test [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "03347a2163f22a99fee543eb8da9dc4b0739c5200ce5f10345bf8e09da145704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03347a2163f22a99fee543eb8da9dc4b0739c5200ce5f10345bf8e09da145704", kill_on_drop: false }`
[INFO] [stdout] 03347a2163f22a99fee543eb8da9dc4b0739c5200ce5f10345bf8e09da145704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 389c00c0d76d847924b536c631bddc56dc745932993f78a5e70cc3028b678ddf
[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" "389c00c0d76d847924b536c631bddc56dc745932993f78a5e70cc3028b678ddf", 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] [stdout] 
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   --> src/elf/helpers.rs:13:13
[INFO] [stdout] 
[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 the macro `read_ehdr` (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 the macro `read_ehdr` (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:39:21
[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:46:21
[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:53:21
[INFO] [stderr]    |
[INFO] [stderr] 53 |         ::std::mem::uninitialized()
[INFO] [stderr]    |                     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `writeork` (bin "writeork" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/writeork-5b99320b33a6e32c)
[INFO] running `Command { std: "docker" "inspect" "389c00c0d76d847924b536c631bddc56dc745932993f78a5e70cc3028b678ddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389c00c0d76d847924b536c631bddc56dc745932993f78a5e70cc3028b678ddf", kill_on_drop: false }`
[INFO] [stdout] 389c00c0d76d847924b536c631bddc56dc745932993f78a5e70cc3028b678ddf