[INFO] fetching crate git_structured_log 0.1.0...
[INFO] checking git_structured_log-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate git_structured_log 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate git_structured_log 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate git_structured_log 0.1.0
[INFO] finished tweaking crates.io crate git_structured_log 0.1.0
[INFO] tweaked toml for crates.io crate git_structured_log 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddc2f313865232f0b91a25a35bc996eb836624356e0f9ae0e82f9342a23c42e0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ddc2f313865232f0b91a25a35bc996eb836624356e0f9ae0e82f9342a23c42e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc2f313865232f0b91a25a35bc996eb836624356e0f9ae0e82f9342a23c42e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc2f313865232f0b91a25a35bc996eb836624356e0f9ae0e82f9342a23c42e0", kill_on_drop: false }`
[INFO] [stdout] ddc2f313865232f0b91a25a35bc996eb836624356e0f9ae0e82f9342a23c42e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 559bc045b1099e236ad6c3c4a8a1b107794aebd62f0dbcc110ace50e4f536227
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "559bc045b1099e236ad6c3c4a8a1b107794aebd62f0dbcc110ace50e4f536227", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.19
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking git_structured_log v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:30:79
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn print_commits(revision_range: &str, formats_input: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:63:50
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     .collect::<Result<Value, Box<Error>>>()?,
[INFO] [stdout]    |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:98:64
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn object_to_hex_string(object: &Object) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:111:68
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn invalid_format(format: &str, reason: &str) -> Result<Value, Box<Error>> {
[INFO] [stdout]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:30:79
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn print_commits(revision_range: &str, formats_input: &str) -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                                                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:63:50
[INFO] [stdout]    |
[INFO] [stdout] 63 |                     .collect::<Result<Value, Box<Error>>>()?,
[INFO] [stdout]    |                                                  ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:98:64
[INFO] [stdout]    |
[INFO] [stdout] 98 | fn object_to_hex_string(object: &Object) -> Result<String, Box<Error>> {
[INFO] [stdout]    |                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:111:68
[INFO] [stdout]     |
[INFO] [stdout] 111 | fn invalid_format(format: &str, reason: &str) -> Result<Value, Box<Error>> {
[INFO] [stdout]     |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "559bc045b1099e236ad6c3c4a8a1b107794aebd62f0dbcc110ace50e4f536227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "559bc045b1099e236ad6c3c4a8a1b107794aebd62f0dbcc110ace50e4f536227", kill_on_drop: false }`
[INFO] [stdout] 559bc045b1099e236ad6c3c4a8a1b107794aebd62f0dbcc110ace50e4f536227