[INFO] fetching crate cpclib-common 0.7.0...
[INFO] checking cpclib-common-0.7.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate cpclib-common 0.7.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate cpclib-common 0.7.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cpclib-common 0.7.0
[INFO] finished tweaking crates.io crate cpclib-common 0.7.0
[INFO] tweaked toml for crates.io crate cpclib-common 0.7.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 79 packages
[INFO] [stderr]       Adding dirs v4.0.0 (latest: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding itertools v0.11.0 (latest: v0.12.1)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitsets v0.1.1
[INFO] [stderr]   Downloaded resolve-path v0.1.0
[INFO] [stderr]   Downloaded nom_locate v4.2.0
[INFO] [stderr]   Downloaded bytecount v0.6.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0ec1b138fe3137b2fa93ce4030e01d2d6626df071fe865448a387975b90a38e
[INFO] running `Command { std: "docker" "start" "-a" "f0ec1b138fe3137b2fa93ce4030e01d2d6626df071fe865448a387975b90a38e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ec1b138fe3137b2fa93ce4030e01d2d6626df071fe865448a387975b90a38e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ec1b138fe3137b2fa93ce4030e01d2d6626df071fe865448a387975b90a38e", kill_on_drop: false }`
[INFO] [stdout] f0ec1b138fe3137b2fa93ce4030e01d2d6626df071fe865448a387975b90a38e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 417755f9c48cb8bf44b17d02a59e3455378d05b7a61b2905efd6aaf4cbbaf4fc
[INFO] running `Command { std: "docker" "start" "-a" "417755f9c48cb8bf44b17d02a59e3455378d05b7a61b2905efd6aaf4cbbaf4fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking bitsets v0.1.1
[INFO] [stderr]     Checking bitfield v0.14.0
[INFO] [stderr]     Checking smol_str v0.2.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking resolve-path v0.1.0
[INFO] [stderr]     Checking num-rational v0.4.1
[INFO] [stderr]     Checking nom_locate v4.2.0
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking cpclib-common v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "417755f9c48cb8bf44b17d02a59e3455378d05b7a61b2905efd6aaf4cbbaf4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417755f9c48cb8bf44b17d02a59e3455378d05b7a61b2905efd6aaf4cbbaf4fc", kill_on_drop: false }`
[INFO] [stdout] 417755f9c48cb8bf44b17d02a59e3455378d05b7a61b2905efd6aaf4cbbaf4fc