[INFO] fetching crate caelum-vcdm 0.2.0...
[INFO] checking caelum-vcdm-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate caelum-vcdm 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate caelum-vcdm 0.2.0 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 caelum-vcdm 0.2.0
[INFO] finished tweaking crates.io crate caelum-vcdm 0.2.0
[INFO] tweaked toml for crates.io crate caelum-vcdm 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate caelum-vcdm 0.2.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.50
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.55
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.55
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.55
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded sourcefile v0.1.4
[INFO] [stderr]   Downloaded clear_on_drop v0.2.3
[INFO] [stderr]   Downloaded serde_test v1.0.103
[INFO] [stderr]   Downloaded subtle v2.2.1
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded num-traits v0.2.10
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded unicode-segmentation v1.6.0
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] [stderr]   Downloaded ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded js-sys v0.3.32
[INFO] [stderr]   Downloaded indexmap v1.3.0
[INFO] [stderr]   Downloaded serde_derive v1.0.103
[INFO] [stderr]   Downloaded serde v1.0.103
[INFO] [stderr]   Downloaded serde_json v1.0.42
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.55
[INFO] [stderr]   Downloaded heck v0.3.1
[INFO] [stderr]   Downloaded cc v1.0.47
[INFO] [stderr]   Downloaded failure v0.1.6
[INFO] [stderr]   Downloaded curve25519-dalek v1.2.3
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded web-sys v0.3.32
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.55
[INFO] [stderr]   Downloaded sha2 v0.8.0
[INFO] [stderr]   Downloaded base-x v0.2.6
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.55
[INFO] [stderr]   Downloaded anyhow v1.0.23
[INFO] [stderr]   Downloaded weedle v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] db9a3e163ae0052362c70b6515c7b6ab45abdf5b80b7d31b88abbd6516c4590a
[INFO] running `Command { std: "docker" "start" "-a" "db9a3e163ae0052362c70b6515c7b6ab45abdf5b80b7d31b88abbd6516c4590a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db9a3e163ae0052362c70b6515c7b6ab45abdf5b80b7d31b88abbd6516c4590a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db9a3e163ae0052362c70b6515c7b6ab45abdf5b80b7d31b88abbd6516c4590a", kill_on_drop: false }`
[INFO] [stdout] db9a3e163ae0052362c70b6515c7b6ab45abdf5b80b7d31b88abbd6516c4590a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0452a66d601d03965247810cfff5e5f344491bbe583bdc974f4e906bca3a921b
[INFO] running `Command { std: "docker" "start" "-a" "0452a66d601d03965247810cfff5e5f344491bbe583bdc974f4e906bca3a921b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.55
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling wasm-bindgen v0.2.55
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling subtle v2.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling curve25519-dalek v1.2.3
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.2
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.55
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.55
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.55
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking serde_test v1.0.103
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]     Checking js-sys v0.3.32
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking wasm-bindgen-test v0.2.50
[INFO] [stderr]     Checking caelum-vcdm v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `base64` is imported redundantly
[INFO] [stdout]  --> src/claims/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use base64;
[INFO] [stdout]   |     ^^^^^^ the item `base64` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `base64` is imported redundantly
[INFO] [stdout]  --> src/claims/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use base64;
[INFO] [stdout]   |     ^^^^^^ the item `base64` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 30.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: serde_test v1.0.103, stdweb v0.4.20, wasm-bindgen v0.2.55
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0452a66d601d03965247810cfff5e5f344491bbe583bdc974f4e906bca3a921b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0452a66d601d03965247810cfff5e5f344491bbe583bdc974f4e906bca3a921b", kill_on_drop: false }`
[INFO] [stdout] 0452a66d601d03965247810cfff5e5f344491bbe583bdc974f4e906bca3a921b