[INFO] fetching crate jsonvalid 0.1.1...
[INFO] checking jsonvalid-0.1.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate jsonvalid 0.1.1 into /workspace/builds/worker-62/source
[INFO] validating manifest of crates.io crate jsonvalid 0.1.1 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonvalid 0.1.1
[INFO] finished tweaking crates.io crate jsonvalid 0.1.1
[INFO] tweaked toml for crates.io crate jsonvalid 0.1.1 written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ff673464f6f84086b4269ba9a5073ea1fbb23e2680f020c47f0ce004926369a
[INFO] running `Command { std: "docker" "start" "-a" "3ff673464f6f84086b4269ba9a5073ea1fbb23e2680f020c47f0ce004926369a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ff673464f6f84086b4269ba9a5073ea1fbb23e2680f020c47f0ce004926369a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff673464f6f84086b4269ba9a5073ea1fbb23e2680f020c47f0ce004926369a", kill_on_drop: false }`
[INFO] [stdout] 3ff673464f6f84086b4269ba9a5073ea1fbb23e2680f020c47f0ce004926369a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26229fa59ac5c232ce9af101b3bb748894849ff6a75ccdeaf9a465d708927975
[INFO] running `Command { std: "docker" "start" "-a" "26229fa59ac5c232ce9af101b3bb748894849ff6a75ccdeaf9a465d708927975", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking encoding_rs v0.7.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking jsonvalid v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn string_from_reader(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]    Compiling cargo_metadata v0.12.3
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]    Compiling skeptic v0.13.6
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn string_from_reader(reader: &mut Read) -> Result<String, std::io::Error> {
[INFO] [stdout]    |                                    ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.67s
[INFO] running `Command { std: "docker" "inspect" "26229fa59ac5c232ce9af101b3bb748894849ff6a75ccdeaf9a465d708927975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26229fa59ac5c232ce9af101b3bb748894849ff6a75ccdeaf9a465d708927975", kill_on_drop: false }`
[INFO] [stdout] 26229fa59ac5c232ce9af101b3bb748894849ff6a75ccdeaf9a465d708927975