[INFO] fetching crate bigfixed 0.0.0...
[INFO] checking bigfixed-0.0.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate bigfixed 0.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate bigfixed 0.0.0 on toolchain 80399064afa4a2cd153f30d02c25f7ea0383ed65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bigfixed 0.0.0
[INFO] finished tweaking crates.io crate bigfixed 0.0.0
[INFO] tweaked toml for crates.io crate bigfixed 0.0.0 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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a56aabea2fb8bca142a04bb03679bf4c8af4483723d19ac1e1d666c71a9b552
[INFO] running `Command { std: "docker" "start" "-a" "6a56aabea2fb8bca142a04bb03679bf4c8af4483723d19ac1e1d666c71a9b552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a56aabea2fb8bca142a04bb03679bf4c8af4483723d19ac1e1d666c71a9b552", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a56aabea2fb8bca142a04bb03679bf4c8af4483723d19ac1e1d666c71a9b552", kill_on_drop: false }`
[INFO] [stdout] 6a56aabea2fb8bca142a04bb03679bf4c8af4483723d19ac1e1d666c71a9b552
[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" "+80399064afa4a2cd153f30d02c25f7ea0383ed65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b63e6fb8d95eea1d2fe1614cdda8ba328597808f3adac9bdeaa035ca869c8d36
[INFO] running `Command { std: "docker" "start" "-a" "b63e6fb8d95eea1d2fe1614cdda8ba328597808f3adac9bdeaa035ca869c8d36", kill_on_drop: false }`
[INFO] [stderr]     Checking bigfixed v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Cutoff` is imported redundantly
[INFO] [stdout]  --> src/big_fixed.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{digit::*, Index, IndexError, Cutoff, cutoff::*};
[INFO] [stdout]   |                                          ^^^^^^  --------- the item `Cutoff` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/big_fixed.rs:3:64
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt, ops as stdops, iter::{repeat}, cmp::{max, min}, convert::From};
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cutoff` is imported redundantly
[INFO] [stdout]  --> src/big_fixed/convert.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{digit::*, Index, Cutoff, cutoff::*, BigFixed, BigFixedError};
[INFO] [stdout]   |                              ^^^^^^  --------- the item `Cutoff` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/big_fixed/convert.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{convert::{From}, cmp::{max}};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cutoff` is imported redundantly
[INFO] [stdout]  --> src/big_fixed/ops_c.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{digit::*, Index, Cutoff, cutoff::*, BigFixed, BigFixedError, macros::*};
[INFO] [stdout]   |                              ^^^^^^  --------- the item `Cutoff` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cutoff` is imported redundantly
[INFO] [stdout]  --> src/big_fixed.rs:1:42
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{digit::*, Index, IndexError, Cutoff, cutoff::*};
[INFO] [stdout]   |                                          ^^^^^^  --------- the item `Cutoff` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/big_fixed.rs:3:64
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fmt, ops as stdops, iter::{repeat}, cmp::{max, min}, convert::From};
[INFO] [stdout]   |                                                                ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cutoff` is imported redundantly
[INFO] [stdout]  --> src/big_fixed/convert.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{digit::*, Index, Cutoff, cutoff::*, BigFixed, BigFixedError};
[INFO] [stdout]   |                              ^^^^^^  --------- the item `Cutoff` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/big_fixed/convert.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{convert::{From}, cmp::{max}};
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout]  --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `From` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Cutoff` is imported redundantly
[INFO] [stdout]  --> src/big_fixed/ops_c.rs:6:30
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{digit::*, Index, Cutoff, cutoff::*, BigFixed, BigFixedError, macros::*};
[INFO] [stdout]   |                              ^^^^^^  --------- the item `Cutoff` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "b63e6fb8d95eea1d2fe1614cdda8ba328597808f3adac9bdeaa035ca869c8d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b63e6fb8d95eea1d2fe1614cdda8ba328597808f3adac9bdeaa035ca869c8d36", kill_on_drop: false }`
[INFO] [stdout] b63e6fb8d95eea1d2fe1614cdda8ba328597808f3adac9bdeaa035ca869c8d36
