[INFO] fetching crate num256 0.6.0...
[INFO] testing num256-0.6.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate num256 0.6.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate num256 0.6.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate num256 0.6.0
[INFO] tweaked toml for crates.io crate num256 0.6.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate num256 0.6.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding bnum v0.5.0 (available: v0.14.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9185a5ff02f0867c10148802cc902d22feea7959c72dacd96c77f586910c4cf
[INFO] running `Command { std: "docker" "start" "-a" "f9185a5ff02f0867c10148802cc902d22feea7959c72dacd96c77f586910c4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9185a5ff02f0867c10148802cc902d22feea7959c72dacd96c77f586910c4cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9185a5ff02f0867c10148802cc902d22feea7959c72dacd96c77f586910c4cf", kill_on_drop: false }`
[INFO] [stdout] f9185a5ff02f0867c10148802cc902d22feea7959c72dacd96c77f586910c4cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04465902f3ef8ac1c0b75548391fec69ee7d0cb0d31ffc33d304cab950aab83a
[INFO] running `Command { std: "docker" "start" "-a" "04465902f3ef8ac1c0b75548391fec69ee7d0cb0d31ffc33d304cab950aab83a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling bnum v0.5.0
[INFO] [stderr]    Compiling num256 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "04465902f3ef8ac1c0b75548391fec69ee7d0cb0d31ffc33d304cab950aab83a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04465902f3ef8ac1c0b75548391fec69ee7d0cb0d31ffc33d304cab950aab83a", kill_on_drop: false }`
[INFO] [stdout] 04465902f3ef8ac1c0b75548391fec69ee7d0cb0d31ffc33d304cab950aab83a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5891dfc0a37b5a37d62ad0c14f56efe5451677233e73d841bed5091bc933c7ff
[INFO] running `Command { std: "docker" "start" "-a" "5891dfc0a37b5a37d62ad0c14f56efe5451677233e73d841bed5091bc933c7ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling rand_core v0.10.0
[INFO] [stderr]    Compiling cpufeatures v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling chacha20 v0.10.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling rand v0.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling num256 v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function `random` in this scope
[INFO] [stdout]    --> src/int256.rs:469:23
[INFO] [stdout]     |
[INFO] [stdout] 469 |         let r: i128 = random();
[INFO] [stdout]     |                       ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::random::random;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use rand::random;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `random` in this scope
[INFO] [stdout]    --> src/uint256.rs:559:23
[INFO] [stdout]     |
[INFO] [stdout] 559 |         let r: u128 = random();
[INFO] [stdout]     |                       ^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these functions
[INFO] [stdout]     |
[INFO] [stdout]   1 + use std::random::random;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use rand::random;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]    --> src/int256.rs:466:9
[INFO] [stdout]     |
[INFO] [stdout] 466 |     use rand::prelude::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand::prelude::*`
[INFO] [stdout]    --> src/uint256.rs:556:9
[INFO] [stdout]     |
[INFO] [stdout] 556 |     use rand::prelude::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num256` (lib test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5891dfc0a37b5a37d62ad0c14f56efe5451677233e73d841bed5091bc933c7ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5891dfc0a37b5a37d62ad0c14f56efe5451677233e73d841bed5091bc933c7ff", kill_on_drop: false }`
[INFO] [stdout] 5891dfc0a37b5a37d62ad0c14f56efe5451677233e73d841bed5091bc933c7ff