[INFO] fetching crate identicon 0.2.1...
[INFO] checking identicon-0.2.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate identicon 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate identicon 0.2.1 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 identicon 0.2.1
[INFO] finished tweaking crates.io crate identicon 0.2.1
[INFO] tweaked toml for crates.io crate identicon 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate identicon 0.2.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded md-5 v0.9.1
[INFO] [stderr]   Downloaded md5-asm v0.4.3
[INFO] [stderr]   Downloaded bytemuck v1.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f5a8908f857c692c308cc9d93d3eb9386e23b988536a0b70063af836a3d33003
[INFO] running `Command { std: "docker" "start" "-a" "f5a8908f857c692c308cc9d93d3eb9386e23b988536a0b70063af836a3d33003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5a8908f857c692c308cc9d93d3eb9386e23b988536a0b70063af836a3d33003", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5a8908f857c692c308cc9d93d3eb9386e23b988536a0b70063af836a3d33003", kill_on_drop: false }`
[INFO] [stdout] f5a8908f857c692c308cc9d93d3eb9386e23b988536a0b70063af836a3d33003
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6b0d23e27b9b9085e0857f173a7ab5f2a5f8a7d0a4f6263a6a0bbb72301b382e
[INFO] running `Command { std: "docker" "start" "-a" "6b0d23e27b9b9085e0857f173a7ab5f2a5f8a7d0a4f6263a6a0bbb72301b382e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bytemuck v1.7.2
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling md5-asm v0.4.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking identicon v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.84s
[INFO] running `Command { std: "docker" "inspect" "6b0d23e27b9b9085e0857f173a7ab5f2a5f8a7d0a4f6263a6a0bbb72301b382e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0d23e27b9b9085e0857f173a7ab5f2a5f8a7d0a4f6263a6a0bbb72301b382e", kill_on_drop: false }`
[INFO] [stdout] 6b0d23e27b9b9085e0857f173a7ab5f2a5f8a7d0a4f6263a6a0bbb72301b382e