[INFO] updating cached repository https://github.com/mkpankov/writeork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b69c17434c315cb27973ef9372947b6830304bf
[INFO] testing mkpankov/writeork against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkpankov%2Fwriteork" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkpankov/writeork on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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-5/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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/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[INFO] the lockfile is outdated, regenerating it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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c745b8d266d5aca106bb58b3626eb058a3f11f002a2762e0015ff463be4fc710
[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" "c745b8d266d5aca106bb58b3626eb058a3f11f002a2762e0015ff463be4fc710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c745b8d266d5aca106bb58b3626eb058a3f11f002a2762e0015ff463be4fc710", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c745b8d266d5aca106bb58b3626eb058a3f11f002a2762e0015ff463be4fc710", kill_on_drop: false }`
[INFO] [stdout] c745b8d266d5aca106bb58b3626eb058a3f11f002a2762e0015ff463be4fc710
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad068a86d907e8247dc5344a681e968c4222e4b3c6ff3c1f2154b8866ee912d3
[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" "ad068a86d907e8247dc5344a681e968c4222e4b3c6ff3c1f2154b8866ee912d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling writeork v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 18.67s
[INFO] running `Command { std: "docker" "inspect" "ad068a86d907e8247dc5344a681e968c4222e4b3c6ff3c1f2154b8866ee912d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad068a86d907e8247dc5344a681e968c4222e4b3c6ff3c1f2154b8866ee912d3", kill_on_drop: false }`
[INFO] [stdout] ad068a86d907e8247dc5344a681e968c4222e4b3c6ff3c1f2154b8866ee912d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5e4489213e9fb4059264dfc3c0276d4479bcad2d2f35937ebcac1bf9ed5ff51
[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" "c5e4489213e9fb4059264dfc3c0276d4479bcad2d2f35937ebcac1bf9ed5ff51", kill_on_drop: false }`
[INFO] [stderr]    Compiling writeork v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item '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 item '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 item '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 item '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 item '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 item '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 test [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "c5e4489213e9fb4059264dfc3c0276d4479bcad2d2f35937ebcac1bf9ed5ff51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e4489213e9fb4059264dfc3c0276d4479bcad2d2f35937ebcac1bf9ed5ff51", kill_on_drop: false }`
[INFO] [stdout] c5e4489213e9fb4059264dfc3c0276d4479bcad2d2f35937ebcac1bf9ed5ff51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5c6d6e2d9e8f7b969e7cf3697336c50fc36dbad5ef2ddcd053eaa3353191ae3
[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" "e5c6d6e2d9e8f7b969e7cf3697336c50fc36dbad5ef2ddcd053eaa3353191ae3", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item '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 item '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 item '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 item '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] [stdout] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/elf/mod.rs:46:9
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 46 |         ::std::mem::uninitialized()
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item '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 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/writeork-271e9f6267ea873d
[INFO] running `Command { std: "docker" "inspect" "e5c6d6e2d9e8f7b969e7cf3697336c50fc36dbad5ef2ddcd053eaa3353191ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c6d6e2d9e8f7b969e7cf3697336c50fc36dbad5ef2ddcd053eaa3353191ae3", kill_on_drop: false }`
[INFO] [stdout] e5c6d6e2d9e8f7b969e7cf3697336c50fc36dbad5ef2ddcd053eaa3353191ae3