[INFO] fetching crate autorand 0.2.2...
[INFO] testing autorand-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate autorand 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate autorand 0.2.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate autorand 0.2.2
[INFO] finished tweaking crates.io crate autorand 0.2.2
[INFO] tweaked toml for crates.io crate autorand 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 315ee5033e307e00bba146cc7ac93d6bac01a31155f865211a459a7160689017
[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" "315ee5033e307e00bba146cc7ac93d6bac01a31155f865211a459a7160689017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "315ee5033e307e00bba146cc7ac93d6bac01a31155f865211a459a7160689017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315ee5033e307e00bba146cc7ac93d6bac01a31155f865211a459a7160689017", kill_on_drop: false }`
[INFO] [stdout] 315ee5033e307e00bba146cc7ac93d6bac01a31155f865211a459a7160689017
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4119114f653acadcbf26ef167362199fadb7e11914bf88c735df584b67f97888
[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" "4119114f653acadcbf26ef167362199fadb7e11914bf88c735df584b67f97888", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling autorand-derive v0.2.2
[INFO] [stderr]    Compiling autorand v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:163:46
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       let mut array: [T; $s] = std::mem::uninitialized();
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | / impl_arrays!(
[INFO] [stdout] 177 | |     1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
[INFO] [stdout] 178 | |     17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32,
[INFO] [stdout] 179 | |     64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
[INFO] [stdout] 180 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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/lib.rs:163:46
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       let mut array: [T; $s] = std::mem::uninitialized();
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | / impl_arrays!(
[INFO] [stdout] 177 | |     1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
[INFO] [stdout] 178 | |     17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32,
[INFO] [stdout] 179 | |     64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
[INFO] [stdout] 180 | | );
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.09s
[INFO] running `Command { std: "docker" "inspect" "4119114f653acadcbf26ef167362199fadb7e11914bf88c735df584b67f97888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4119114f653acadcbf26ef167362199fadb7e11914bf88c735df584b67f97888", kill_on_drop: false }`
[INFO] [stdout] 4119114f653acadcbf26ef167362199fadb7e11914bf88c735df584b67f97888
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f636e53803316a18a2a3aea0935e5483341a40875beb48ce2846516b296350a1
[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" "f636e53803316a18a2a3aea0935e5483341a40875beb48ce2846516b296350a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autorand v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:163:46
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       let mut array: [T; $s] = std::mem::uninitialized();
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | / impl_arrays!(
[INFO] [stdout] 177 | |     1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
[INFO] [stdout] 178 | |     17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32,
[INFO] [stdout] 179 | |     64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
[INFO] [stdout] 180 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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/lib.rs:163:46
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       let mut array: [T; $s] = std::mem::uninitialized();
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | / impl_arrays!(
[INFO] [stdout] 177 | |     1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
[INFO] [stdout] 178 | |     17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32,
[INFO] [stdout] 179 | |     64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
[INFO] [stdout] 180 | | );
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/lib.rs:163:46
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       let mut array: [T; $s] = std::mem::uninitialized();
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | / impl_arrays!(
[INFO] [stdout] 177 | |     1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
[INFO] [stdout] 178 | |     17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32,
[INFO] [stdout] 179 | |     64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
[INFO] [stdout] 180 | | );
[INFO] [stdout]     | |__- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[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/lib.rs:163:46
[INFO] [stdout]     |
[INFO] [stdout] 163 |                       let mut array: [T; $s] = std::mem::uninitialized();
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 176 | / impl_arrays!(
[INFO] [stdout] 177 | |     1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
[INFO] [stdout] 178 | |     17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32,
[INFO] [stdout] 179 | |     64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
[INFO] [stdout] 180 | | );
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "f636e53803316a18a2a3aea0935e5483341a40875beb48ce2846516b296350a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f636e53803316a18a2a3aea0935e5483341a40875beb48ce2846516b296350a1", kill_on_drop: false }`
[INFO] [stdout] f636e53803316a18a2a3aea0935e5483341a40875beb48ce2846516b296350a1
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 37add4385ae8037889f68eb3ffd44098792121a18468c40bcd39da689816fe21
[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" "37add4385ae8037889f68eb3ffd44098792121a18468c40bcd39da689816fe21", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:163:46
[INFO] [stderr]     |
[INFO] [stderr] 163 |                       let mut array: [T; $s] = std::mem::uninitialized();
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 176 | / impl_arrays!(
[INFO] [stderr] 177 | |     1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
[INFO] [stderr] 178 | |     17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32,
[INFO] [stderr] 179 | |     64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
[INFO] [stderr] 180 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[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/lib.rs:163:46
[INFO] [stderr]     |
[INFO] [stderr] 163 |                       let mut array: [T; $s] = std::mem::uninitialized();
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 176 | / impl_arrays!(
[INFO] [stderr] 177 | |     1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
[INFO] [stderr] 178 | |     17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32,
[INFO] [stderr] 179 | |     64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
[INFO] [stderr] 180 | | );
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/lib.rs:163:46
[INFO] [stderr]     |
[INFO] [stderr] 163 |                       let mut array: [T; $s] = std::mem::uninitialized();
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 176 | / impl_arrays!(
[INFO] [stderr] 177 | |     1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
[INFO] [stderr] 178 | |     17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32,
[INFO] [stderr] 179 | |     64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
[INFO] [stderr] 180 | | );
[INFO] [stderr]     | |__- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[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/lib.rs:163:46
[INFO] [stderr]     |
[INFO] [stderr] 163 |                       let mut array: [T; $s] = std::mem::uninitialized();
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 176 | / impl_arrays!(
[INFO] [stderr] 177 | |     1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16,
[INFO] [stderr] 178 | |     17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 31, 32,
[INFO] [stderr] 179 | |     64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384,
[INFO] [stderr] 180 | | );
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/autorand-5e63d509cae89bfd
[INFO] [stderr]    Doc-tests autorand
[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 `Command { std: "docker" "inspect" "37add4385ae8037889f68eb3ffd44098792121a18468c40bcd39da689816fe21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37add4385ae8037889f68eb3ffd44098792121a18468c40bcd39da689816fe21", kill_on_drop: false }`
[INFO] [stdout] 37add4385ae8037889f68eb3ffd44098792121a18468c40bcd39da689816fe21