[INFO] fetching crate ethereum-bigint 0.2.9... [INFO] checking ethereum-bigint-0.2.9 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2 [INFO] extracting crate ethereum-bigint 0.2.9 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate ethereum-bigint 0.2.9 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages [INFO] [stderr] Adding elastic-array-plus v0.9.1 (latest: v0.10.0) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.4.0) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded heapsize v0.4.2 [INFO] [stderr] Downloaded ethereum-hexutil v0.2.3 [INFO] [stderr] Downloaded elastic-array-plus v0.9.1 [INFO] [stderr] Downloaded ethereum-rlp v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 122c52a7d2f0b727835f48ca1452cf805171563997207d3c6e7dce3b6738c7fb [INFO] running `Command { std: "docker" "start" "-a" "122c52a7d2f0b727835f48ca1452cf805171563997207d3c6e7dce3b6738c7fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "122c52a7d2f0b727835f48ca1452cf805171563997207d3c6e7dce3b6738c7fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "122c52a7d2f0b727835f48ca1452cf805171563997207d3c6e7dce3b6738c7fb", kill_on_drop: false }` [INFO] [stdout] 122c52a7d2f0b727835f48ca1452cf805171563997207d3c6e7dce3b6738c7fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 08601ca96daf5ba7bcc96caa7102f6a0a997e686620c4f1584952035083c373c [INFO] running `Command { std: "docker" "start" "-a" "08601ca96daf5ba7bcc96caa7102f6a0a997e686620c4f1584952035083c373c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking elastic-array-plus v0.9.1 [INFO] [stderr] Checking ethereum-hexutil v0.2.3 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking ethereum-rlp v0.2.3 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking ethereum-bigint v0.2.9 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/m256.rs:3:44 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "std")] use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/m256.rs:3:50 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "std")] use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/mi256.rs:3:44 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "std")] use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/mi256.rs:3:50 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "std")] use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [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 the macro `construct_uint` (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 the macro `construct_uint` (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 the macro `construct_uint` (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 the macro `construct_uint` (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 the macro `construct_uint` (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 the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/m256.rs:3:44 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "std")] use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/m256.rs:3:50 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "std")] use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/mi256.rs:3:44 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "std")] use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/mi256.rs:3:50 [INFO] [stdout] | [INFO] [stdout] 3 | #[cfg(feature = "std")] use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [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 the macro `construct_uint` (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 the macro `construct_uint` (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 the macro `construct_uint` (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 the macro `construct_uint` (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 the macro `construct_uint` (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 the macro `construct_uint` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromStr` is imported redundantly [INFO] [stdout] --> src/hash/mod.rs:549:9 [INFO] [stdout] | [INFO] [stdout] 548 | use hash::*; [INFO] [stdout] | ------- the item `FromStr` is already imported here [INFO] [stdout] 549 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `H256FastMap` is never used [INFO] [stdout] --> src/hash/mod.rs:541:10 [INFO] [stdout] | [INFO] [stdout] 541 | pub type H256FastMap = Map>; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `H256FastSet` is never used [INFO] [stdout] --> src/hash/mod.rs:544:10 [INFO] [stdout] | [INFO] [stdout] 544 | pub type H256FastSet = Set>; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `H256FastMap` is never used [INFO] [stdout] --> src/hash/mod.rs:541:10 [INFO] [stdout] | [INFO] [stdout] 541 | pub type H256FastMap = Map>; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `H256FastSet` is never used [INFO] [stdout] --> src/hash/mod.rs:544:10 [INFO] [stdout] | [INFO] [stdout] 544 | pub type H256FastSet = Set>; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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] | |___________________________________________________________________^ the arithmetic operation produces a value [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 334 | let _ = U128::from_str("ffffffffffffffffffffffffffffffff").unwrap() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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] | |___________________________________________________________________________________________________^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 370 | let _ = U256::from_str("7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").unwrap() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: 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] | |____________________________________^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 389 | let _ = U256::from_str("0").unwrap() [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ethereum-bigint` (lib test) due to 4 previous errors; 13 warnings emitted [INFO] running `Command { std: "docker" "inspect" "08601ca96daf5ba7bcc96caa7102f6a0a997e686620c4f1584952035083c373c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08601ca96daf5ba7bcc96caa7102f6a0a997e686620c4f1584952035083c373c", kill_on_drop: false }` [INFO] [stdout] 08601ca96daf5ba7bcc96caa7102f6a0a997e686620c4f1584952035083c373c [INFO] checking ethereum-bigint-0.2.9 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-2 [INFO] extracting crate ethereum-bigint 0.2.9 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate ethereum-bigint 0.2.9 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9548c2139c3f54092b0bab81d527b2e69e7179c555672ea61255fc530667da83 [INFO] running `Command { std: "docker" "start" "-a" "9548c2139c3f54092b0bab81d527b2e69e7179c555672ea61255fc530667da83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9548c2139c3f54092b0bab81d527b2e69e7179c555672ea61255fc530667da83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9548c2139c3f54092b0bab81d527b2e69e7179c555672ea61255fc530667da83", kill_on_drop: false }` [INFO] [stdout] 9548c2139c3f54092b0bab81d527b2e69e7179c555672ea61255fc530667da83 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4cce6065436aded2429757719d0365dcada5c21c99737595fe0604a51b29e97d [INFO] running `Command { std: "docker" "start" "-a" "4cce6065436aded2429757719d0365dcada5c21c99737595fe0604a51b29e97d", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "4cce6065436aded2429757719d0365dcada5c21c99737595fe0604a51b29e97d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cce6065436aded2429757719d0365dcada5c21c99737595fe0604a51b29e97d", kill_on_drop: false }` [INFO] [stdout] 4cce6065436aded2429757719d0365dcada5c21c99737595fe0604a51b29e97d