[INFO] fetching crate big_num 0.1.0...
[INFO] checking big_num-0.1.0 against master#80399064afa4a2cd153f30d02c25f7ea0383ed65 for opaque-soundness-fix
[INFO] extracting crate big_num 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate big_num 0.1.0 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 big_num 0.1.0
[INFO] finished tweaking crates.io crate big_num 0.1.0
[INFO] tweaked toml for crates.io crate big_num 0.1.0 written to /workspace/builds/worker-0-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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9a22ff3eead16cd52a221a38f5d29cb24b87aa513669da5a8c42726cb7a4dcaf
[INFO] running `Command { std: "docker" "start" "-a" "9a22ff3eead16cd52a221a38f5d29cb24b87aa513669da5a8c42726cb7a4dcaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a22ff3eead16cd52a221a38f5d29cb24b87aa513669da5a8c42726cb7a4dcaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a22ff3eead16cd52a221a38f5d29cb24b87aa513669da5a8c42726cb7a4dcaf", kill_on_drop: false }`
[INFO] [stdout] 9a22ff3eead16cd52a221a38f5d29cb24b87aa513669da5a8c42726cb7a4dcaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dbb7c0fb35016da41476fb3a3bba00815bc4b0f958787847a8f6500cd3c443f3
[INFO] running `Command { std: "docker" "start" "-a" "dbb7c0fb35016da41476fb3a3bba00815bc4b0f958787847a8f6500cd3c443f3", kill_on_drop: false }`
[INFO] [stderr]     Checking big_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                ^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Ord` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                     ^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                ^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Ord` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                     ^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]   --> /rustc/80399064afa4a2cd153f30d02c25f7ea0383ed65/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "dbb7c0fb35016da41476fb3a3bba00815bc4b0f958787847a8f6500cd3c443f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb7c0fb35016da41476fb3a3bba00815bc4b0f958787847a8f6500cd3c443f3", kill_on_drop: false }`
[INFO] [stdout] dbb7c0fb35016da41476fb3a3bba00815bc4b0f958787847a8f6500cd3c443f3
[INFO] checking big_num-0.1.0 against master#09bc67b9158392361780e779d32997f14cc75c39 for opaque-soundness-fix
[INFO] extracting crate big_num 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate big_num 0.1.0 on toolchain 09bc67b9158392361780e779d32997f14cc75c39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate big_num 0.1.0
[INFO] finished tweaking crates.io crate big_num 0.1.0
[INFO] tweaked toml for crates.io crate big_num 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09bc67b9158392361780e779d32997f14cc75c39" "fetch" "--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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+09bc67b9158392361780e779d32997f14cc75c39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d9ae4110a9b34aa4a1eac226803562ce8f2b3efe80154d3043e0c62fa04fce7
[INFO] running `Command { std: "docker" "start" "-a" "3d9ae4110a9b34aa4a1eac226803562ce8f2b3efe80154d3043e0c62fa04fce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d9ae4110a9b34aa4a1eac226803562ce8f2b3efe80154d3043e0c62fa04fce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9ae4110a9b34aa4a1eac226803562ce8f2b3efe80154d3043e0c62fa04fce7", kill_on_drop: false }`
[INFO] [stdout] 3d9ae4110a9b34aa4a1eac226803562ce8f2b3efe80154d3043e0c62fa04fce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+09bc67b9158392361780e779d32997f14cc75c39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8d00dba3a7c024c8ff0671d42bab2b9758e37d0c2a6bc42131f33fb887ffcfd
[INFO] running `Command { std: "docker" "start" "-a" "b8d00dba3a7c024c8ff0671d42bab2b9758e37d0c2a6bc42131f33fb887ffcfd", kill_on_drop: false }`
[INFO] [stderr]     Checking big_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                ^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Ord` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                     ^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Ord` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                ^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Ord` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eq` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                     ^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Eq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                         ^^^^^^^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialEq` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialOrd` is imported redundantly
[INFO] [stdout]   --> src/big_int.rs:32:36
[INFO] [stdout]    |
[INFO] [stdout] 32 | use std::cmp::{Ord, Eq, PartialEq, PartialOrd, Ordering};
[INFO] [stdout]    |                                    ^^^^^^^^^^
[INFO] [stdout]   --> /rustc/09bc67b9158392361780e779d32997f14cc75c39/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `PartialOrd` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "b8d00dba3a7c024c8ff0671d42bab2b9758e37d0c2a6bc42131f33fb887ffcfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8d00dba3a7c024c8ff0671d42bab2b9758e37d0c2a6bc42131f33fb887ffcfd", kill_on_drop: false }`
[INFO] [stdout] b8d00dba3a7c024c8ff0671d42bab2b9758e37d0c2a6bc42131f33fb887ffcfd
