[INFO] fetching crate amplify_num 0.1.2...
[INFO] testing amplify_num-0.1.2 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate amplify_num 0.1.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate amplify_num 0.1.2 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate amplify_num 0.1.2
[INFO] finished tweaking crates.io crate amplify_num 0.1.2
[INFO] tweaked toml for crates.io crate amplify_num 0.1.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f039d47a90a09bdad34bd74e1695d9a1097a854914f7cae55c87eb6f867008e7
[INFO] running `Command { std: "docker" "start" "-a" "f039d47a90a09bdad34bd74e1695d9a1097a854914f7cae55c87eb6f867008e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f039d47a90a09bdad34bd74e1695d9a1097a854914f7cae55c87eb6f867008e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f039d47a90a09bdad34bd74e1695d9a1097a854914f7cae55c87eb6f867008e7", kill_on_drop: false }`
[INFO] [stdout] f039d47a90a09bdad34bd74e1695d9a1097a854914f7cae55c87eb6f867008e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf2151d707240a1ec248e578e760a89db3479efe5d8dc19408cc647d669188af
[INFO] running `Command { std: "docker" "start" "-a" "bf2151d707240a1ec248e578e760a89db3479efe5d8dc19408cc647d669188af", kill_on_drop: false }`
[INFO] [stderr]    Compiling amplify_num v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "bf2151d707240a1ec248e578e760a89db3479efe5d8dc19408cc647d669188af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2151d707240a1ec248e578e760a89db3479efe5d8dc19408cc647d669188af", kill_on_drop: false }`
[INFO] [stdout] bf2151d707240a1ec248e578e760a89db3479efe5d8dc19408cc647d669188af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0216bde6ab34662a67b7edf9aa0ae742a965c671d468e1a06e00b3e3d342f68f
[INFO] running `Command { std: "docker" "start" "-a" "0216bde6ab34662a67b7edf9aa0ae742a965c671d468e1a06e00b3e3d342f68f", kill_on_drop: false }`
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling amplify_num v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `format` in this scope
[INFO] [stdout]    --> src/bigint.rs:960:13
[INFO] [stdout]     |
[INFO] [stdout] 960 |             format!("{}", max_val),
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `format` in this scope
[INFO] [stdout]    --> src/bigint.rs:949:13
[INFO] [stdout]     |
[INFO] [stdout] 949 |             format!("{}", u256::from(::core::u64::MAX)),
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `format` in this scope
[INFO] [stdout]    --> src/bigint.rs:945:13
[INFO] [stdout]     |
[INFO] [stdout] 945 |             format!("{}", u256::from(0xDEADBEEFu64)),
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `amplify_num` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "0216bde6ab34662a67b7edf9aa0ae742a965c671d468e1a06e00b3e3d342f68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0216bde6ab34662a67b7edf9aa0ae742a965c671d468e1a06e00b3e3d342f68f", kill_on_drop: false }`
[INFO] [stdout] 0216bde6ab34662a67b7edf9aa0ae742a965c671d468e1a06e00b3e3d342f68f