[INFO] fetching crate ifinfo 0.1.0...
[INFO] checking ifinfo-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ifinfo 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate ifinfo 0.1.0 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 crates.io crate ifinfo 0.1.0
[INFO] finished tweaking crates.io crate ifinfo 0.1.0
[INFO] tweaked toml for crates.io crate ifinfo 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate ifinfo 0.1.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded serde v1.0.92
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded pest v0.3.3
[INFO] [stderr]   Downloaded serde_json v1.0.39
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded syn v0.15.36
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded handlebars v0.29.1
[INFO] [stderr]   Downloaded byteorder v1.3.2
[INFO] [stderr]   Downloaded serde_derive v1.0.92
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded interfaces2 v0.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9eb2961a4e016abe6937b12ea9e05bd564fae41f393d56d38636b1fe5228f28c
[INFO] running `Command { std: "docker" "start" "-a" "9eb2961a4e016abe6937b12ea9e05bd564fae41f393d56d38636b1fe5228f28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eb2961a4e016abe6937b12ea9e05bd564fae41f393d56d38636b1fe5228f28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb2961a4e016abe6937b12ea9e05bd564fae41f393d56d38636b1fe5228f28c", kill_on_drop: false }`
[INFO] [stdout] 9eb2961a4e016abe6937b12ea9e05bd564fae41f393d56d38636b1fe5228f28c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a01e512b02b056294c84c9b8995b1c1c45c361e8112ac91be0226cf1f303f6e6
[INFO] running `Command { std: "docker" "start" "-a" "a01e512b02b056294c84c9b8995b1c1c45c361e8112ac91be0226cf1f303f6e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling pest v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling handlebars v0.29.1
[INFO] [stderr]    Compiling interfaces2 v0.0.5
[INFO] [stderr]     Checking ifinfo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.97s
[INFO] running `Command { std: "docker" "inspect" "a01e512b02b056294c84c9b8995b1c1c45c361e8112ac91be0226cf1f303f6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01e512b02b056294c84c9b8995b1c1c45c361e8112ac91be0226cf1f303f6e6", kill_on_drop: false }`
[INFO] [stdout] a01e512b02b056294c84c9b8995b1c1c45c361e8112ac91be0226cf1f303f6e6