[INFO] fetching crate jsonsv 0.1.2...
[INFO] checking jsonsv-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate jsonsv 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate jsonsv 0.1.2 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 jsonsv 0.1.2
[INFO] finished tweaking crates.io crate jsonsv 0.1.2
[INFO] tweaked toml for crates.io crate jsonsv 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate jsonsv 0.1.2 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 unicode-normalization v0.1.9
[INFO] [stderr]   Downloaded json-pointer v0.3.2
[INFO] [stderr]   Downloaded strum_macros v0.9.1
[INFO] [stderr]   Downloaded opaque_typedef v0.0.3
[INFO] [stderr]   Downloaded opaque_typedef_macros v0.0.3
[INFO] [stderr]   Downloaded strum v0.9.0
[INFO] [stderr]   Downloaded num-traits v0.2.9
[INFO] [stderr]   Downloaded jsonschema-valid v0.2.0
[INFO] [stderr]   Downloaded syn v0.14.9
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded itertools v0.8.1
[INFO] [stderr]   Downloaded iri-string v0.1.1
[INFO] [stderr]   Downloaded smallvec v0.6.13
[INFO] [stderr]   Downloaded structopt-derive v0.3.4
[INFO] [stderr]   Downloaded structopt v0.3.4
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 7a94426edda62d57a477f84ff38d3d8078d838e0af4a96892f1cc7fb0d3a202c
[INFO] running `Command { std: "docker" "start" "-a" "7a94426edda62d57a477f84ff38d3d8078d838e0af4a96892f1cc7fb0d3a202c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a94426edda62d57a477f84ff38d3d8078d838e0af4a96892f1cc7fb0d3a202c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a94426edda62d57a477f84ff38d3d8078d838e0af4a96892f1cc7fb0d3a202c", kill_on_drop: false }`
[INFO] [stdout] 7a94426edda62d57a477f84ff38d3d8078d838e0af4a96892f1cc7fb0d3a202c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] df6884e7a5200c4d62e85210068cc4da9f75e9e8b7ee0cf9dd68f0ddbad1a260
[INFO] running `Command { std: "docker" "start" "-a" "df6884e7a5200c4d62e85210068cc4da9f75e9e8b7ee0cf9dd68f0ddbad1a260", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling strum v0.9.0
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking opaque_typedef v0.0.3
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling strum_macros v0.9.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling opaque_typedef_macros v0.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]     Checking structopt v0.3.4
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking iri-string v0.1.1
[INFO] [stderr]     Checking json-pointer v0.3.2
[INFO] [stderr]     Checking jsonschema-valid v0.2.0
[INFO] [stderr]     Checking jsonsv v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/tests/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 37.40s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.11, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "df6884e7a5200c4d62e85210068cc4da9f75e9e8b7ee0cf9dd68f0ddbad1a260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df6884e7a5200c4d62e85210068cc4da9f75e9e8b7ee0cf9dd68f0ddbad1a260", kill_on_drop: false }`
[INFO] [stdout] df6884e7a5200c4d62e85210068cc4da9f75e9e8b7ee0cf9dd68f0ddbad1a260
[INFO] checking jsonsv-0.1.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate jsonsv 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate jsonsv 0.1.2 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonsv 0.1.2
[INFO] finished tweaking crates.io crate jsonsv 0.1.2
[INFO] tweaked toml for crates.io crate jsonsv 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate jsonsv 0.1.2 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3797c47c4c4d35b807dde137e535adf095df0da2554ab56e446cdbfe85c84be5
[INFO] running `Command { std: "docker" "start" "-a" "3797c47c4c4d35b807dde137e535adf095df0da2554ab56e446cdbfe85c84be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3797c47c4c4d35b807dde137e535adf095df0da2554ab56e446cdbfe85c84be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3797c47c4c4d35b807dde137e535adf095df0da2554ab56e446cdbfe85c84be5", kill_on_drop: false }`
[INFO] [stdout] 3797c47c4c4d35b807dde137e535adf095df0da2554ab56e446cdbfe85c84be5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4894fc82aea2c737fad75322aa526d614b7b3953d5fa3bbf1beccc2933855060
[INFO] running `Command { std: "docker" "start" "-a" "4894fc82aea2c737fad75322aa526d614b7b3953d5fa3bbf1beccc2933855060", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]    Compiling strum v0.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking opaque_typedef v0.0.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking itertools v0.8.1
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling strum_macros v0.9.1
[INFO] [stderr]    Compiling opaque_typedef_macros v0.0.3
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling structopt-derive v0.3.4
[INFO] [stderr]     Checking structopt v0.3.4
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking iri-string v0.1.1
[INFO] [stderr]     Checking json-pointer v0.3.2
[INFO] [stderr]     Checking jsonschema-valid v0.2.0
[INFO] [stderr]     Checking jsonsv v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/tests/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.11, syn v0.14.9
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "4894fc82aea2c737fad75322aa526d614b7b3953d5fa3bbf1beccc2933855060", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4894fc82aea2c737fad75322aa526d614b7b3953d5fa3bbf1beccc2933855060", kill_on_drop: false }`
[INFO] [stdout] 4894fc82aea2c737fad75322aa526d614b7b3953d5fa3bbf1beccc2933855060