[INFO] fetching crate ethereum-bigint 0.2.9...
[INFO] testing ethereum-bigint-0.2.9 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate ethereum-bigint 0.2.9 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ethereum-bigint 0.2.9 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ethereum-bigint 0.2.9
[INFO] finished tweaking crates.io crate ethereum-bigint 0.2.9
[INFO] tweaked toml for crates.io crate ethereum-bigint 0.2.9 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "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-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 261d9643ec453e2c0b9f5950002c575611b450f51a2d2c3901941265e16d953d
[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" "261d9643ec453e2c0b9f5950002c575611b450f51a2d2c3901941265e16d953d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "261d9643ec453e2c0b9f5950002c575611b450f51a2d2c3901941265e16d953d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261d9643ec453e2c0b9f5950002c575611b450f51a2d2c3901941265e16d953d", kill_on_drop: false }`
[INFO] [stdout] 261d9643ec453e2c0b9f5950002c575611b450f51a2d2c3901941265e16d953d
[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=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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a601ff8fb277f54acef818083327fac75a234663ea0a6b590ecec0783f30a2b
[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" "6a601ff8fb277f54acef818083327fac75a234663ea0a6b590ecec0783f30a2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ethereum-rlp v0.2.3
[INFO] [stderr]    Compiling ethereum-bigint v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[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/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[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/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[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/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[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/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[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: type alias is never used: `H256FastMap`
[INFO] [stdout]    --> src/hash/mod.rs:541:1
[INFO] [stdout]     |
[INFO] [stdout] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `H256FastSet`
[INFO] [stdout]    --> src/hash/mod.rs:544:1
[INFO] [stdout]     |
[INFO] [stdout] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `Command { std: "docker" "inspect" "6a601ff8fb277f54acef818083327fac75a234663ea0a6b590ecec0783f30a2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a601ff8fb277f54acef818083327fac75a234663ea0a6b590ecec0783f30a2b", kill_on_drop: false }`
[INFO] [stdout] 6a601ff8fb277f54acef818083327fac75a234663ea0a6b590ecec0783f30a2b
[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=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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 1bd2b6c0455c915c8bebcfb5af3852e877817a84f9b00f495e83c52ea8931a1c
[INFO] running `Command { std: "docker" "start" "-a" "1bd2b6c0455c915c8bebcfb5af3852e877817a84f9b00f495e83c52ea8931a1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ethereum-bigint v0.2.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[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/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[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/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[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/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[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/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[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: type alias is never used: `H256FastMap`
[INFO] [stdout]    --> src/hash/mod.rs:541:1
[INFO] [stdout]     |
[INFO] [stdout] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `H256FastSet`
[INFO] [stdout]    --> src/hash/mod.rs:544:1
[INFO] [stdout]     |
[INFO] [stdout] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[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 macro `try`: use the `?` operator instead
[INFO] [stdout]     --> src/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1183 | construct_uint!(U512, 8);
[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/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[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/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1184 | construct_uint!(U256, 4);
[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/uint/mod.rs:1149:8
[INFO] [stdout]      |
[INFO] [stdout] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[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/uint/mod.rs:1166:8
[INFO] [stdout]      |
[INFO] [stdout] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stdout]      |                             ^^^
[INFO] [stdout] ...
[INFO] [stdout] 1185 | construct_uint!(U128, 2);
[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: type alias is never used: `H256FastMap`
[INFO] [stdout]    --> src/hash/mod.rs:541:1
[INFO] [stdout]     |
[INFO] [stdout] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `H256FastSet`
[INFO] [stdout]    --> src/hash/mod.rs:544:1
[INFO] [stdout]     |
[INFO] [stdout] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/uint/tests.rs:334:5
[INFO] [stdout]     |
[INFO] [stdout] 334 | /     U128::from_str("ffffffffffffffffffffffffffffffff").unwrap()
[INFO] [stdout] 335 | |         +
[INFO] [stdout] 336 | |         U128::from_str("ffffffffffffffffffffffffffffffff").unwrap();
[INFO] [stdout]     | |___________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:29
[INFO] [stdout]     |
[INFO] [stdout] 2   |         unused_comparisons, unused_must_use,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/uint/tests.rs:370:5
[INFO] [stdout]     |
[INFO] [stdout] 370 | /     U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()
[INFO] [stdout] 371 | |         *
[INFO] [stdout] 372 | |         U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap();
[INFO] [stdout]     | |___________________________________________________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused arithmetic operation that must be used
[INFO] [stdout]    --> src/uint/tests.rs:389:5
[INFO] [stdout]     |
[INFO] [stdout] 389 | /     U256::from_str("0").unwrap()
[INFO] [stdout] 390 | |         -
[INFO] [stdout] 391 | |         U256::from_str("1").unwrap();
[INFO] [stdout]     | |____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "1bd2b6c0455c915c8bebcfb5af3852e877817a84f9b00f495e83c52ea8931a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bd2b6c0455c915c8bebcfb5af3852e877817a84f9b00f495e83c52ea8931a1c", kill_on_drop: false }`
[INFO] [stdout] 1bd2b6c0455c915c8bebcfb5af3852e877817a84f9b00f495e83c52ea8931a1c
[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=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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 68a11ab45ae919ef9f4788d47a00feaf51234be902d12f7373d61edbf3a3e2b4
[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" "68a11ab45ae919ef9f4788d47a00feaf51234be902d12f7373d61edbf3a3e2b4", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]     --> src/uint/mod.rs:1149:8
[INFO] [stderr]      |
[INFO] [stderr] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1183 | construct_uint!(U512, 8);
[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 macro `try`: use the `?` operator instead
[INFO] [stderr]     --> src/uint/mod.rs:1166:8
[INFO] [stderr]      |
[INFO] [stderr] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1183 | construct_uint!(U512, 8);
[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/uint/mod.rs:1149:8
[INFO] [stderr]      |
[INFO] [stderr] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1184 | construct_uint!(U256, 4);
[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/uint/mod.rs:1166:8
[INFO] [stderr]      |
[INFO] [stderr] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1184 | construct_uint!(U256, 4);
[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/uint/mod.rs:1149:8
[INFO] [stderr]      |
[INFO] [stderr] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1185 | construct_uint!(U128, 2);
[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/uint/mod.rs:1166:8
[INFO] [stderr]      |
[INFO] [stderr] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1185 | construct_uint!(U128, 2);
[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: type alias is never used: `H256FastMap`
[INFO] [stderr]    --> src/hash/mod.rs:541:1
[INFO] [stderr]     |
[INFO] [stderr] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `H256FastSet`
[INFO] [stderr]    --> src/hash/mod.rs:544:1
[INFO] [stderr]     |
[INFO] [stderr] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]     --> src/uint/mod.rs:1149:8
[INFO] [stderr]      |
[INFO] [stderr] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1183 | construct_uint!(U512, 8);
[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 macro `try`: use the `?` operator instead
[INFO] [stderr]     --> src/uint/mod.rs:1166:8
[INFO] [stderr]      |
[INFO] [stderr] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1183 | construct_uint!(U512, 8);
[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/uint/mod.rs:1149:8
[INFO] [stderr]      |
[INFO] [stderr] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1184 | construct_uint!(U256, 4);
[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/uint/mod.rs:1166:8
[INFO] [stderr]      |
[INFO] [stderr] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1184 | construct_uint!(U256, 4);
[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/uint/mod.rs:1149:8
[INFO] [stderr]      |
[INFO] [stderr] 1149 |                             try!(write!(f, "{:x}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1185 | construct_uint!(U128, 2);
[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/uint/mod.rs:1166:8
[INFO] [stderr]      |
[INFO] [stderr] 1166 |                             try!(write!(f, "{:X}", nibble));
[INFO] [stderr]      |                             ^^^
[INFO] [stderr] ...
[INFO] [stderr] 1185 | construct_uint!(U128, 2);
[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: type alias is never used: `H256FastMap`
[INFO] [stderr]    --> src/hash/mod.rs:541:1
[INFO] [stderr]     |
[INFO] [stderr] 541 | pub type H256FastMap<T> = Map<H256, T, BuildHasherDefault<PlainHasher>>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `H256FastSet`
[INFO] [stderr]    --> src/hash/mod.rs:544:1
[INFO] [stderr]     |
[INFO] [stderr] 544 | pub type H256FastSet = Set<H256, BuildHasherDefault<PlainHasher>>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/uint/tests.rs:334:5
[INFO] [stderr]     |
[INFO] [stderr] 334 | /     U128::from_str("ffffffffffffffffffffffffffffffff").unwrap()
[INFO] [stderr] 335 | |         +
[INFO] [stderr] 336 | |         U128::from_str("ffffffffffffffffffffffffffffffff").unwrap();
[INFO] [stderr]     | |___________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:2:29
[INFO] [stderr]     |
[INFO] [stderr] 2   |         unused_comparisons, unused_must_use,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/uint/tests.rs:370:5
[INFO] [stderr]     |
[INFO] [stderr] 370 | /     U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap()
[INFO] [stderr] 371 | |         *
[INFO] [stderr] 372 | |         U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap();
[INFO] [stderr]     | |___________________________________________________________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: unused arithmetic operation that must be used
[INFO] [stderr]    --> src/uint/tests.rs:389:5
[INFO] [stderr]     |
[INFO] [stderr] 389 | /     U256::from_str("0").unwrap()
[INFO] [stderr] 390 | |         -
[INFO] [stderr] 391 | |         U256::from_str("1").unwrap();
[INFO] [stderr]     | |____________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: 11 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bigint-8146a613fbef6f3c
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stdout] test hash::tests::from_and_to_u64 ... ok
[INFO] [stdout] test hash::tests::hasher_alignment ... ok
[INFO] [stdout] test hash::tests::from_u64 ... ok
[INFO] [stdout] test m256::tests::sub ... ok
[INFO] [stdout] test mi256::tests::m256 ... ok
[INFO] [stdout] test mi256::tests::sdiv ... ok
[INFO] [stdout] test uint::tests::display_uint ... ok
[INFO] [stdout] test uint::tests::big_endian ... ok
[INFO] [stdout] test uint::tests::display_uint_zero ... ok
[INFO] [stdout] test hash::tests::from_str ... ok
[INFO] [stdout] test uint::tests::u256_multi_adds ... ok
[INFO] [stdout] test uint::tests::u256_mul ... ok
[INFO] [stdout] test hash::tests::hash ... ok
[INFO] [stdout] test hash::tests::hash_bitor ... ok
[INFO] [stdout] test uint::tests::u256_multi_carry_all ... ok
[INFO] [stdout] test hash::tests::from_and_to_address ... ok
[INFO] [stdout] test uint::tests::little_endian ... ok
[INFO] [stdout] test uint::tests::u256_div ... ok
[INFO] [stdout] test hash::tests::from_and_to_u256 ... ok
[INFO] [stdout] test uint::tests::u256_multi_muls2 ... ok
[INFO] [stdout] test uint::tests::uint128_add_overflow_panic ... ignored
[INFO] [stdout] test uint::tests::uint128_add ... ok
[INFO] [stdout] test uint::tests::uint256_bits_test ... ok
[INFO] [stdout] test uint::tests::uint256_comp_test ... ok
[INFO] [stdout] test uint::tests::uint256_arithmetic_test ... ok
[INFO] [stdout] test uint::tests::uint128_mul ... ok
[INFO] [stdout] test uint::tests::uint256_from_dec_str ... ok
[INFO] [stdout] test uint::tests::uint256_mul ... ok
[INFO] [stdout] test uint::tests::uint256_mul1 ... ok
[INFO] [stdout] test uint::tests::uint256_mul2 ... ok
[INFO] [stdout] test uint::tests::u512_multi_subs ... ok
[INFO] [stdout] test uint::tests::uint256_extreme_bitshift_test ... ok
[INFO] [stdout] test uint::tests::u256_multi_subs ... ok
[INFO] [stdout] test uint::tests::u256_multi_muls_overflow ... ok
[INFO] [stdout] test uint::tests::uint256_div ... ok
[INFO] [stdout] test uint::tests::uint256_overflowing_pow ... ok
[INFO] [stdout] test uint::tests::uint256_overflowing_mul ... ok
[INFO] [stdout] test uint::tests::u512_multi_adds ... ok
[INFO] [stdout] test uint::tests::uint256_exp10 ... ok
[INFO] [stdout] test uint::tests::uint128_add_overflow ... ok
[INFO] [stdout] test uint::tests::uint256_from ... ok
[INFO] [stdout] test uint::tests::u256_multi_muls ... ok
[INFO] [stdout] test uint::tests::u256_multi_full_mul ... ok
[INFO] [stdout] test uint::tests::uint256_mul32 ... ok
[INFO] [stdout] test uint::tests::uint256_pow ... ok
[INFO] [stdout] test uint::tests::uint256_sub_overflow ... ok
[INFO] [stdout] test uint::tests::uint256_mul_overflow ... ok
[INFO] [stdout] test uint::tests::uint256_to ... ok
[INFO] [stdout] test uint::tests::uint256_simple_mul ... ok
[INFO] [stdout] test uint::tests::uint256_shl ... ok
[INFO] [stdout] test uint::tests::uint512_mul ... ok
[INFO] [stdout] test uint::tests::example ... ok
[INFO] [stdout] test uint::tests::uint256_rem ... ok
[INFO] [stdout] test uint::tests::uint256_shl_words ... ok
[INFO] [stdout] test uint::tests::uint256_pow_overflow_panic ... ok
[INFO] [stdout] test uint::tests::uint256_sub_overflow_panic ... ok
[INFO] [stdout] test uint::tests::uint256_mul_overflow_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 56 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bigint
[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" "68a11ab45ae919ef9f4788d47a00feaf51234be902d12f7373d61edbf3a3e2b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68a11ab45ae919ef9f4788d47a00feaf51234be902d12f7373d61edbf3a3e2b4", kill_on_drop: false }`
[INFO] [stdout] 68a11ab45ae919ef9f4788d47a00feaf51234be902d12f7373d61edbf3a3e2b4
