[INFO] fetching crate clam 0.1.6...
[INFO] checking clam-0.1.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate clam 0.1.6 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate clam 0.1.6 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 clam 0.1.6
[INFO] finished tweaking crates.io crate clam 0.1.6
[INFO] tweaked toml for crates.io crate clam 0.1.6 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 65 packages
[INFO] [stderr]       Adding aho-corasick v0.6.10 (latest: v1.1.3)
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.2.0)
[INFO] [stderr]       Adding base64 v0.9.3 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding hyper v0.10.16 (latest: v1.2.0)
[INFO] [stderr]       Adding idna v0.1.5 (latest: v0.5.0)
[INFO] [stderr]       Adding language-tags v0.2.2 (latest: v0.3.2)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding mime v0.2.6 (latest: v0.3.17)
[INFO] [stderr]       Adding mime_guess v1.8.8 (latest: v2.0.4)
[INFO] [stderr]       Adding percent-encoding v1.0.1 (latest: v2.3.1)
[INFO] [stderr]       Adding phf v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_codegen v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_generator v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding phf_shared v0.7.24 (latest: v0.11.2)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex v0.2.11 (latest: v1.10.4)
[INFO] [stderr]       Adding regex-syntax v0.5.6 (latest: v0.8.3)
[INFO] [stderr]       Adding siphasher v0.2.3 (latest: v1.0.1)
[INFO] [stderr]       Adding thread_local v0.3.6 (latest: v1.1.8)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding ucd-util v0.1.10 (latest: v0.2.1)
[INFO] [stderr]       Adding unicase v1.4.2 (latest: v2.7.0)
[INFO] [stderr]       Adding url v1.7.2 (latest: v2.5.0)
[INFO] [stderr]       Adding version_check v0.1.5 (latest: v0.9.4)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded mime_guess v1.8.8
[INFO] [stderr]   Downloaded base64 v0.9.3
[INFO] [stderr]   Downloaded iron v0.6.1
[INFO] [stderr]   Downloaded hyper v0.10.16
[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] ba66e2153337b69407feea57684e45421123f45a03bc09131f2986fde3ed2dc3
[INFO] running `Command { std: "docker" "start" "-a" "ba66e2153337b69407feea57684e45421123f45a03bc09131f2986fde3ed2dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba66e2153337b69407feea57684e45421123f45a03bc09131f2986fde3ed2dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba66e2153337b69407feea57684e45421123f45a03bc09131f2986fde3ed2dc3", kill_on_drop: false }`
[INFO] [stdout] ba66e2153337b69407feea57684e45421123f45a03bc09131f2986fde3ed2dc3
[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] ed4525900e3dcb9f145ae804e31f906bc22a352e4b0692bb361ad22c64e9a07e
[INFO] running `Command { std: "docker" "start" "-a" "ed4525900e3dcb9f145ae804e31f906bc22a352e4b0692bb361ad22c64e9a07e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking clam v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/template.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         'outer: for xs in br.lines() {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused label
[INFO] [stdout]   --> src/template.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         'outer: for xs in br.lines() {
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_labels)]` 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 5.47s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: traitobject v0.1.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "ed4525900e3dcb9f145ae804e31f906bc22a352e4b0692bb361ad22c64e9a07e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4525900e3dcb9f145ae804e31f906bc22a352e4b0692bb361ad22c64e9a07e", kill_on_drop: false }`
[INFO] [stdout] ed4525900e3dcb9f145ae804e31f906bc22a352e4b0692bb361ad22c64e9a07e