[INFO] fetching crate zifu 0.2.1...
[INFO] checking zifu-0.2.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate zifu 0.2.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zifu 0.2.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zifu 0.2.1
[INFO] finished tweaking crates.io crate zifu 0.2.1
[INFO] tweaked toml for crates.io crate zifu 0.2.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate zifu 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hfs_nfd v1.1.0
[INFO] [stderr]   Downloaded bytesize v1.0.1
[INFO] [stderr]   Downloaded locale_config v0.3.0
[INFO] [stderr]   Downloaded locale_name_code_page v0.1.0
[INFO] [stderr]   Downloaded oem_cp v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8823d7cf84d91cc1c62f363787fbf05f4c52060936e449ab9f779d852b8f272c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8823d7cf84d91cc1c62f363787fbf05f4c52060936e449ab9f779d852b8f272c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8823d7cf84d91cc1c62f363787fbf05f4c52060936e449ab9f779d852b8f272c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8823d7cf84d91cc1c62f363787fbf05f4c52060936e449ab9f779d852b8f272c", kill_on_drop: false }`
[INFO] [stdout] 8823d7cf84d91cc1c62f363787fbf05f4c52060936e449ab9f779d852b8f272c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8982320bbb6e309b4429c28c9fb98f9a866b4da0959de18cc26e34eccee47c0a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8982320bbb6e309b4429c28c9fb98f9a866b4da0959de18cc26e34eccee47c0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]     Checking const-random v0.1.8
[INFO] [stderr]     Checking codepage v0.1.1
[INFO] [stderr]     Checking ahash v0.4.5
[INFO] [stderr]     Checking oem_cp v0.2.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking locale_name_code_page v0.1.0
[INFO] [stderr]     Checking locale_config v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking hfs_nfd v1.1.0
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking zifu v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "8982320bbb6e309b4429c28c9fb98f9a866b4da0959de18cc26e34eccee47c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8982320bbb6e309b4429c28c9fb98f9a866b4da0959de18cc26e34eccee47c0a", kill_on_drop: false }`
[INFO] [stdout] 8982320bbb6e309b4429c28c9fb98f9a866b4da0959de18cc26e34eccee47c0a