[INFO] cloning repository https://github.com/kalloc/near-rnd-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kalloc/near-rnd-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalloc%2Fnear-rnd-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalloc%2Fnear-rnd-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d99c1a74f86c8206192c45c8a6c72aec8afb696
[INFO] checking kalloc/near-rnd-example against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalloc%2Fnear-rnd-example" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kalloc/near-rnd-example on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kalloc/near-rnd-example
[INFO] finished tweaking git repo https://github.com/kalloc/near-rnd-example
[INFO] tweaked toml for git repo https://github.com/kalloc/near-rnd-example written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kalloc/near-rnd-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded near-rpc-error-core v0.1.0
[INFO] [stderr]   Downloaded near-rpc-error-macro v0.1.0
[INFO] [stderr]   Downloaded near-sdk-macros v3.1.0
[INFO] [stderr]   Downloaded near-runtime-utils v4.0.0-pre.1
[INFO] [stderr]   Downloaded near-vm-errors v4.0.0-pre.1
[INFO] [stderr]   Downloaded near-sdk-core v3.1.0
[INFO] [stderr]   Downloaded near-primitives-core v0.4.0
[INFO] [stderr]   Downloaded near-vm-logic v4.0.0-pre.1
[INFO] [stderr]   Downloaded syn v1.0.57
[INFO] [stderr]   Downloaded near-sdk v3.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad4af37d8e04a283cadaec680cf8f15d82c799ebebd5cf2dc60814287e6e081b
[INFO] running `Command { std: "docker" "start" "-a" "ad4af37d8e04a283cadaec680cf8f15d82c799ebebd5cf2dc60814287e6e081b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad4af37d8e04a283cadaec680cf8f15d82c799ebebd5cf2dc60814287e6e081b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad4af37d8e04a283cadaec680cf8f15d82c799ebebd5cf2dc60814287e6e081b", kill_on_drop: false }`
[INFO] [stdout] ad4af37d8e04a283cadaec680cf8f15d82c799ebebd5cf2dc60814287e6e081b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b0b40ce63261986280efc4b2c228d9e188691c9aa33227d16e0f28ea201a1b9
[INFO] running `Command { std: "docker" "start" "-a" "5b0b40ce63261986280efc4b2c228d9e188691c9aa33227d16e0f28ea201a1b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking near-runtime-utils v4.0.0-pre.1
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[INFO] [stderr]    Compiling near-sdk-core v3.1.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling near-sdk-macros v3.1.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling near-rpc-error-core v0.1.0
[INFO] [stderr]    Compiling borsh-derive v0.8.2
[INFO] [stderr]    Compiling near-rpc-error-macro v0.1.0
[INFO] [stderr]     Checking borsh v0.8.2
[INFO] [stderr]     Checking near-vm-errors v4.0.0-pre.1
[INFO] [stderr]     Checking near-primitives-core v0.4.0
[INFO] [stderr]     Checking near-vm-logic v4.0.0-pre.1
[INFO] [stderr]     Checking near-sdk v3.1.0
[INFO] [stderr]     Checking test-for-l2e v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Bytes`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Bytes`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.50s
[INFO] running `Command { std: "docker" "inspect" "5b0b40ce63261986280efc4b2c228d9e188691c9aa33227d16e0f28ea201a1b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0b40ce63261986280efc4b2c228d9e188691c9aa33227d16e0f28ea201a1b9", kill_on_drop: false }`
[INFO] [stdout] 5b0b40ce63261986280efc4b2c228d9e188691c9aa33227d16e0f28ea201a1b9
[INFO] checking kalloc/near-rnd-example against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalloc%2Fnear-rnd-example" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kalloc/near-rnd-example on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kalloc/near-rnd-example
[INFO] finished tweaking git repo https://github.com/kalloc/near-rnd-example
[INFO] tweaked toml for git repo https://github.com/kalloc/near-rnd-example written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kalloc/near-rnd-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df38f5c990ce15ec77328420615748773846c412ac01ee1431ee4ce7ca5a107b
[INFO] running `Command { std: "docker" "start" "-a" "df38f5c990ce15ec77328420615748773846c412ac01ee1431ee4ce7ca5a107b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df38f5c990ce15ec77328420615748773846c412ac01ee1431ee4ce7ca5a107b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df38f5c990ce15ec77328420615748773846c412ac01ee1431ee4ce7ca5a107b", kill_on_drop: false }`
[INFO] [stdout] df38f5c990ce15ec77328420615748773846c412ac01ee1431ee4ce7ca5a107b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70f632eb92058aa41bc5b306ea99ac136e3ae8fb9e656ad0f6bb009eef5c4af8
[INFO] running `Command { std: "docker" "start" "-a" "70f632eb92058aa41bc5b306ea99ac136e3ae8fb9e656ad0f6bb009eef5c4af8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking near-runtime-utils v4.0.0-pre.1
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling borsh-derive-internal v0.8.2
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.8.2
[INFO] [stderr]    Compiling near-sdk-core v3.1.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling near-sdk-macros v3.1.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling near-rpc-error-core v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling near-rpc-error-macro v0.1.0
[INFO] [stderr]    Compiling borsh-derive v0.8.2
[INFO] [stderr]     Checking borsh v0.8.2
[INFO] [stderr]     Checking near-primitives-core v0.4.0
[INFO] [stderr]     Checking near-vm-errors v4.0.0-pre.1
[INFO] [stderr]     Checking near-vm-logic v4.0.0-pre.1
[INFO] [stderr]     Checking near-sdk v3.1.0
[INFO] [stderr]     Checking test-for-l2e v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Bytes`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Bytes`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::Bytes;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.01s
[INFO] running `Command { std: "docker" "inspect" "70f632eb92058aa41bc5b306ea99ac136e3ae8fb9e656ad0f6bb009eef5c4af8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f632eb92058aa41bc5b306ea99ac136e3ae8fb9e656ad0f6bb009eef5c4af8", kill_on_drop: false }`
[INFO] [stdout] 70f632eb92058aa41bc5b306ea99ac136e3ae8fb9e656ad0f6bb009eef5c4af8