[INFO] cloning repository https://github.com/sharpjs/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sharpjs/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharpjs%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharpjs%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60f29b9d07433922753d467f5ee8fd43c484c33c
[INFO] testing sharpjs/rust-learning against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharpjs%2Frust-learning" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sharpjs/rust-learning on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sharpjs/rust-learning
[INFO] finished tweaking git repo https://github.com/sharpjs/rust-learning
[INFO] tweaked toml for git repo https://github.com/sharpjs/rust-learning written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sharpjs/rust-learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44d6171078f9eaa07a534c4db9789d3ab0ec56cefd7f185784a12de28d9164dd
[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" "44d6171078f9eaa07a534c4db9789d3ab0ec56cefd7f185784a12de28d9164dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44d6171078f9eaa07a534c4db9789d3ab0ec56cefd7f185784a12de28d9164dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d6171078f9eaa07a534c4db9789d3ab0ec56cefd7f185784a12de28d9164dd", kill_on_drop: false }`
[INFO] [stdout] 44d6171078f9eaa07a534c4db9789d3ab0ec56cefd7f185784a12de28d9164dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 658bc716d4a7b26e9b24b0c771d73da553877c3bac11b6d67940b0da5f2f6778
[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" "658bc716d4a7b26e9b24b0c771d73da553877c3bac11b6d67940b0da5f2f6778", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling num-integer v0.1.35
[INFO] [stderr]    Compiling num-iter v0.1.34
[INFO] [stderr]    Compiling num-bigint v0.1.41
[INFO] [stderr]    Compiling num-complex v0.1.41
[INFO] [stderr]    Compiling num-rational v0.1.40
[INFO] [stderr]    Compiling num v0.1.41
[INFO] [stderr]    Compiling rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.99s
[INFO] running `Command { std: "docker" "inspect" "658bc716d4a7b26e9b24b0c771d73da553877c3bac11b6d67940b0da5f2f6778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658bc716d4a7b26e9b24b0c771d73da553877c3bac11b6d67940b0da5f2f6778", kill_on_drop: false }`
[INFO] [stdout] 658bc716d4a7b26e9b24b0c771d73da553877c3bac11b6d67940b0da5f2f6778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab3059230059dc1044ee12f8e7600e1eb429af95beb384f85cc74ef6ebcae02
[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" "5ab3059230059dc1044ee12f8e7600e1eb429af95beb384f85cc74ef6ebcae02", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/aex/io/decode_read.rs:405:24
[INFO] [stdout]     |
[INFO] [stdout] 405 |     fn reader() -> Box<DecodeRead> {
[INFO] [stdout]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn DecodeRead`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "5ab3059230059dc1044ee12f8e7600e1eb429af95beb384f85cc74ef6ebcae02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab3059230059dc1044ee12f8e7600e1eb429af95beb384f85cc74ef6ebcae02", kill_on_drop: false }`
[INFO] [stdout] 5ab3059230059dc1044ee12f8e7600e1eb429af95beb384f85cc74ef6ebcae02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26d0f7ef6e0892e0a0b94bcd9cf1c81763d4df84bb6f505f3a75f831903acfa9
[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" "26d0f7ef6e0892e0a0b94bcd9cf1c81763d4df84bb6f505f3a75f831903acfa9", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/aex/io/decode_read.rs:405:24
[INFO] [stderr]     |
[INFO] [stderr] 405 |     fn reader() -> Box<DecodeRead> {
[INFO] [stderr]     |                        ^^^^^^^^^^ help: use `dyn`: `dyn DecodeRead`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_learning-60db05c3db4f604f)
[INFO] [stdout] 
[INFO] [stdout] running 81 tests
[INFO] [stdout] test aex::ast::binary::tests::fmt ... ok
[INFO] [stdout] test aex::ast::expr::tests::fmt_id ... ok
[INFO] [stdout] test aex::ast::expr::tests::fmt_int ... ok
[INFO] [stdout] test aex::ast::expr::tests::fmt_reg ... ok
[INFO] [stdout] test aex::ast::id::tests::fmt ... ok
[INFO] [stdout] test aex::ast::id::tests::fmt_asm ... ok
[INFO] [stdout] test aex::ast::id::tests::from ... ok
[INFO] [stdout] test aex::ast::id::tests::new ... ok
[INFO] [stdout] test aex::ast::id::tests::new_with_ann ... ok
[INFO] [stdout] test aex::ast::id::tests::prec ... ok
[INFO] [stdout] test aex::ast::int::tests::fmt ... ok
[INFO] [stdout] test aex::ast::int::tests::fmt_asm ... ok
[INFO] [stdout] test aex::ast::int::tests::from ... ok
[INFO] [stdout] test aex::ast::int::tests::prec ... ok
[INFO] [stdout] test aex::ast::int::tests::new_with_ann ... ok
[INFO] [stdout] test aex::ast::reg::tests::from ... ok
[INFO] [stdout] test aex::ast::reg::tests::new ... ok
[INFO] [stdout] test aex::ast::reg::tests::prec ... ok
[INFO] [stdout] test aex::ast::unary::tests::fmt ... ok
[INFO] [stdout] test aex::ast::unary::tests::fmt_asm ... ok
[INFO] [stdout] test aex::ast::unary::tests::new ... ok
[INFO] [stdout] test aex::ast::unary::tests::new_with_ann ... ok
[INFO] [stdout] test aex::fmt::tests::write_binary_1 ... ok
[INFO] [stdout] test aex::ast::unary::tests::prec ... ok
[INFO] [stdout] test aex::fmt::tests::write_binary_2 ... ok
[INFO] [stdout] test aex::fmt::tests::write_id ... ok
[INFO] [stdout] test aex::fmt::tests::write_deref ... ok
[INFO] [stdout] test aex::ast::int::tests::new ... ok
[INFO] [stdout] test aex::fmt::tests::write_num ... ok
[INFO] [stdout] test aex::ast::reg::tests::new_with_ann ... ok
[INFO] [stdout] test aex::ast::binary::tests::prec ... ok
[INFO] [stdout] test aex::fmt::tests::write_reg ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_f32_le ... ok
[INFO] [stdout] test aex::io::decode_read::tests::byte_order ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_bytes ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_f64_be ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_f32_be ... ok
[INFO] [stdout] test aex::ast::binary::tests::fmt_asm ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_i32_le ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_i16_le ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_u16_le ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_u32_le ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_i32_be ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_u64_be ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_u32_be ... ok
[INFO] [stdout] test aex::io::decode_read::tests::vma ... ok
[INFO] [stdout] test aex::io::rewind_read::tests::read_and_consume ... ok
[INFO] [stdout] test aex::io::rewind_read::tests::read_and_rewind ... ok
[INFO] [stdout] test aex::io::rewind_read::tests::read_bytes ... ok
[INFO] [stdout] test aex::io::rewind_read::tests::read_once ... ok
[INFO] [stdout] test aex::io::rewind_read::tests::read_until_eof ... ok
[INFO] [stdout] test aex::target::cf::addr_reg::tests::name ... ok
[INFO] [stdout] test aex::target::cf::addr_reg::tests::num ... ok
[INFO] [stdout] test aex::target::cf::addr_reg::tests::to_code ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_f64_le ... ok
[INFO] [stdout] test aex::io::decode_read::tests::reloc ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_i16_be ... ok
[INFO] [stdout] test aex::ast::binary::tests::new_with_ann ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_i64_be ... ok
[INFO] [stdout] test aex::io::decode_read::tests::lma ... ok
[INFO] [stdout] test aex::target::cf::scale::tests::size ... ok
[INFO] [stdout] test aex::target::cf::scale::tests::decode ... ok
[INFO] [stdout] test aex::util::byte_order::tests::from_order_float ... ok
[INFO] [stdout] test aex::target::cf::scale::tests::with_size ... ok
[INFO] [stdout] test aex::util::byte_order::tests::to_order_float ... ok
[INFO] [stdout] test aex::util::byte_order::tests::from_order_int ... ok
[INFO] [stdout] test aex::util::byte_order::tests::to_order_int ... ok
[INFO] [stdout] test aex::ast::reg::tests::fmt ... ok
[INFO] [stdout] test aex::ast::binary::tests::new ... ok
[INFO] [stdout] test aex::target::cf::data_reg::tests::num ... ok
[INFO] [stdout] test aex::target::cf::data_reg::tests::to_code ... ok
[INFO] [stdout] test aex::target::cf::data_reg::tests::with_num ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_u64_le ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_u8 ... ok
[INFO] [stdout] test aex::target::cf::addr_reg::tests::with_num ... ok
[INFO] [stdout] test aex::target::cf::data_reg::tests::name ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_u16_be ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_i64_le ... ok
[INFO] [stdout] test aex::io::decode_read::tests::read_i8 ... ok
[INFO] [stdout] test aex::ast::expr::tests::prec ... ok
[INFO] [stdout] test aex::ast::reg::tests::fmt_asm ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 81 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26d0f7ef6e0892e0a0b94bcd9cf1c81763d4df84bb6f505f3a75f831903acfa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26d0f7ef6e0892e0a0b94bcd9cf1c81763d4df84bb6f505f3a75f831903acfa9", kill_on_drop: false }`
[INFO] [stdout] 26d0f7ef6e0892e0a0b94bcd9cf1c81763d4df84bb6f505f3a75f831903acfa9