[INFO] fetching crate ethnum 1.5.0...
[INFO] checking ethnum-1.5.0 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-2
[INFO] extracting crate ethnum 1.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ethnum 1.5.0 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 ethnum 1.5.0
[INFO] finished tweaking crates.io crate ethnum 1.5.0
[INFO] tweaked toml for crates.io crate ethnum 1.5.0 written to /workspace/builds/worker-7-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages
[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 ethnum-intrinsics v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3fcc5ded4f95dfcacf82a6489603fb162a90cc8df01094064cf7a31738731770
[INFO] running `Command { std: "docker" "start" "-a" "3fcc5ded4f95dfcacf82a6489603fb162a90cc8df01094064cf7a31738731770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fcc5ded4f95dfcacf82a6489603fb162a90cc8df01094064cf7a31738731770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fcc5ded4f95dfcacf82a6489603fb162a90cc8df01094064cf7a31738731770", kill_on_drop: false }`
[INFO] [stdout] 3fcc5ded4f95dfcacf82a6489603fb162a90cc8df01094064cf7a31738731770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 366b8c0e39befb0e382cf27e624e7acd52a6fe335c21bd9fa2321b368e31b4f9
[INFO] running `Command { std: "docker" "start" "-a" "366b8c0e39befb0e382cf27e624e7acd52a6fe335c21bd9fa2321b368e31b4f9", kill_on_drop: false }`
[INFO] [stderr]     Checking ethnum v1.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/uint/convert.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::{convert::TryFrom, num::TryFromIntError};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:65:30
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]   --> src/int/cmp.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 32 |     use super::*;
[INFO] [stdout]    |         -------- the item `Ordering` is already imported here
[INFO] [stdout] 33 |     use core::cmp::Ordering;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ordering` is imported redundantly
[INFO] [stdout]   --> src/uint/cmp.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use super::*;
[INFO] [stdout]    |         -------- the item `Ordering` is already imported here
[INFO] [stdout] 30 |     use core::cmp::Ordering;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/uint/convert.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::{convert::TryFrom, num::TryFromIntError};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/core/src/prelude/mod.rs:65:30
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "366b8c0e39befb0e382cf27e624e7acd52a6fe335c21bd9fa2321b368e31b4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366b8c0e39befb0e382cf27e624e7acd52a6fe335c21bd9fa2321b368e31b4f9", kill_on_drop: false }`
[INFO] [stdout] 366b8c0e39befb0e382cf27e624e7acd52a6fe335c21bd9fa2321b368e31b4f9