[INFO] fetching crate amplify_num 0.1.2...
[INFO] checking amplify_num-0.1.2 against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] extracting crate amplify_num 0.1.2 into /workspace/builds/worker-82/source
[INFO] validating manifest of crates.io crate amplify_num 0.1.2 on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-82/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1998c9fa5fed4a35af71a51a604b167bfc7c104c10169d008dec2339f3f80a88
[INFO] running `Command { std: "docker" "start" "-a" "1998c9fa5fed4a35af71a51a604b167bfc7c104c10169d008dec2339f3f80a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1998c9fa5fed4a35af71a51a604b167bfc7c104c10169d008dec2339f3f80a88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1998c9fa5fed4a35af71a51a604b167bfc7c104c10169d008dec2339f3f80a88", kill_on_drop: false }`
[INFO] [stdout] 1998c9fa5fed4a35af71a51a604b167bfc7c104c10169d008dec2339f3f80a88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63655b888e5d389bef1a82be997ac98d372f0d64e18baae79a9b4644f592f799
[INFO] running `Command { std: "docker" "start" "-a" "63655b888e5d389bef1a82be997ac98d372f0d64e18baae79a9b4644f592f799", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking amplify_num v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking serde_yaml v0.8.19
[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" "63655b888e5d389bef1a82be997ac98d372f0d64e18baae79a9b4644f592f799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63655b888e5d389bef1a82be997ac98d372f0d64e18baae79a9b4644f592f799", kill_on_drop: false }`
[INFO] [stdout] 63655b888e5d389bef1a82be997ac98d372f0d64e18baae79a9b4644f592f799