[INFO] fetching crate jnt 0.2.0...
[INFO] checking jnt-0.2.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate jnt 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate jnt 0.2.0
[INFO] finished tweaking crates.io crate jnt 0.2.0
[INFO] tweaked toml for crates.io crate jnt 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jnt 0.2.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages to latest compatible versions
[INFO] [stderr]       Adding phf v0.11.3 (available: v0.12.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54aeafb74e0435328310a0a8607d6ea76903ec4445c0de603abe0f9d19772a4b
[INFO] running `Command { std: "docker" "start" "-a" "54aeafb74e0435328310a0a8607d6ea76903ec4445c0de603abe0f9d19772a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54aeafb74e0435328310a0a8607d6ea76903ec4445c0de603abe0f9d19772a4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54aeafb74e0435328310a0a8607d6ea76903ec4445c0de603abe0f9d19772a4b", kill_on_drop: false }`
[INFO] [stdout] 54aeafb74e0435328310a0a8607d6ea76903ec4445c0de603abe0f9d19772a4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80f891ce46bda3abc4dc9b746ead3f27cacc2a91408df50ed26c9bad89f54a3a
[INFO] running `Command { std: "docker" "start" "-a" "80f891ce46bda3abc4dc9b746ead3f27cacc2a91408df50ed26c9bad89f54a3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking contains v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking const_format v0.2.34
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling phf_macros v0.11.3
[INFO] [stderr]     Checking phf v0.11.3
[INFO] [stderr]     Checking zerofrom v0.1.6
[INFO] [stderr]     Checking yoke v0.8.0
[INFO] [stderr]     Checking zerovec v0.11.2
[INFO] [stderr]     Checking zerotrie v0.2.2
[INFO] [stderr]     Checking tinystr v0.8.1
[INFO] [stderr]     Checking potential_utf v0.1.2
[INFO] [stderr]     Checking icu_collections v2.0.0
[INFO] [stderr]     Checking icu_locale_core v2.0.0
[INFO] [stderr]     Checking icu_provider v2.0.0
[INFO] [stderr]     Checking icu_properties v2.0.1
[INFO] [stderr]     Checking icu_normalizer v2.0.0
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking jnt v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.10s
[INFO] running `Command { std: "docker" "inspect" "80f891ce46bda3abc4dc9b746ead3f27cacc2a91408df50ed26c9bad89f54a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80f891ce46bda3abc4dc9b746ead3f27cacc2a91408df50ed26c9bad89f54a3a", kill_on_drop: false }`
[INFO] [stdout] 80f891ce46bda3abc4dc9b746ead3f27cacc2a91408df50ed26c9bad89f54a3a