[INFO] cloning repository https://github.com/ArcticLampyrid/ippper.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArcticLampyrid/ippper.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcticLampyrid%2Fippper.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcticLampyrid%2Fippper.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffbde8e883bb067217702170828886c43603fe03
[INFO] checking ArcticLampyrid/ippper.rs against try#45b14c26f76a39a9945ef8518d3276f1bc880008 for pr-113242
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcticLampyrid%2Fippper.rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArcticLampyrid/ippper.rs on toolchain 45b14c26f76a39a9945ef8518d3276f1bc880008
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArcticLampyrid/ippper.rs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/ArcticLampyrid/ippper.rs
[INFO] tweaked toml for git repo https://github.com/ArcticLampyrid/ippper.rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d4b01e70030547871c2830837fb983afca41b969e250f3520b6bc8ee5a2557b
[INFO] running `Command { std: "docker" "start" "-a" "8d4b01e70030547871c2830837fb983afca41b969e250f3520b6bc8ee5a2557b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d4b01e70030547871c2830837fb983afca41b969e250f3520b6bc8ee5a2557b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4b01e70030547871c2830837fb983afca41b969e250f3520b6bc8ee5a2557b", kill_on_drop: false }`
[INFO] [stdout] 8d4b01e70030547871c2830837fb983afca41b969e250f3520b6bc8ee5a2557b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+45b14c26f76a39a9945ef8518d3276f1bc880008" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d8982c4212ca4495264c52eb5aee269803ab024749adb469205300eae7f34c6
[INFO] running `Command { std: "docker" "start" "-a" "2d8982c4212ca4495264c52eb5aee269803ab024749adb469205300eae7f34c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]     Checking tokio-util v0.7.8
[INFO] [stderr]     Checking native-tls v0.2.11
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking async-compression v0.4.0
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking ureq v2.7.1
[INFO] [stderr]     Checking h2 v0.3.20
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling enum-as-inner v0.5.1
[INFO] [stderr]    Compiling enum-primitive-derive v0.2.2
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.18
[INFO] [stderr]     Checking ipp v4.0.0
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]     Checking derive_builder v0.12.0
[INFO] [stderr]     Checking ippper v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.22s
[INFO] running `Command { std: "docker" "inspect" "2d8982c4212ca4495264c52eb5aee269803ab024749adb469205300eae7f34c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8982c4212ca4495264c52eb5aee269803ab024749adb469205300eae7f34c6", kill_on_drop: false }`
[INFO] [stdout] 2d8982c4212ca4495264c52eb5aee269803ab024749adb469205300eae7f34c6