[INFO] fetching crate zjson 0.1.5...
[INFO] checking zjson-0.1.5 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate zjson 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate zjson 0.1.5 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zjson 0.1.5
[INFO] finished tweaking crates.io crate zjson 0.1.5
[INFO] tweaked toml for crates.io crate zjson 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate zjson 0.1.5 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e73da832ad6fad9b99e6eb55edce5dadbcc649d9e25c5fb5bdac479256bf294
[INFO] running `Command { std: "docker" "start" "-a" "9e73da832ad6fad9b99e6eb55edce5dadbcc649d9e25c5fb5bdac479256bf294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e73da832ad6fad9b99e6eb55edce5dadbcc649d9e25c5fb5bdac479256bf294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e73da832ad6fad9b99e6eb55edce5dadbcc649d9e25c5fb5bdac479256bf294", kill_on_drop: false }`
[INFO] [stdout] 9e73da832ad6fad9b99e6eb55edce5dadbcc649d9e25c5fb5bdac479256bf294
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1ce02f2b6d4d0d4f4eb61b6c3c33fbf703436c130ce62e7a5ae431609a2faa2
[INFO] running `Command { std: "docker" "start" "-a" "b1ce02f2b6d4d0d4f4eb61b6c3c33fbf703436c130ce62e7a5ae431609a2faa2", kill_on_drop: false }`
[INFO] [stderr]     Checking zjson v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `number` and `literal` are never used
[INFO] [stdout]   --> lib/test_parent.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'json> TestParent<'json> {
[INFO] [stdout]    | ----------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn number(&mut self) -> Number<'json, '_> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn literal(&mut self) -> Literal<'json, '_> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 0.76s
[INFO] running `Command { std: "docker" "inspect" "b1ce02f2b6d4d0d4f4eb61b6c3c33fbf703436c130ce62e7a5ae431609a2faa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ce02f2b6d4d0d4f4eb61b6c3c33fbf703436c130ce62e7a5ae431609a2faa2", kill_on_drop: false }`
[INFO] [stdout] b1ce02f2b6d4d0d4f4eb61b6c3c33fbf703436c130ce62e7a5ae431609a2faa2
[INFO] checking zjson-0.1.5 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate zjson 0.1.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate zjson 0.1.5 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zjson 0.1.5
[INFO] finished tweaking crates.io crate zjson 0.1.5
[INFO] tweaked toml for crates.io crate zjson 0.1.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate zjson 0.1.5 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 044787768a2c3582bc9e92e31713cc2fe1c262ad6a6d920f66a2278cc6486778
[INFO] running `Command { std: "docker" "start" "-a" "044787768a2c3582bc9e92e31713cc2fe1c262ad6a6d920f66a2278cc6486778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "044787768a2c3582bc9e92e31713cc2fe1c262ad6a6d920f66a2278cc6486778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044787768a2c3582bc9e92e31713cc2fe1c262ad6a6d920f66a2278cc6486778", kill_on_drop: false }`
[INFO] [stdout] 044787768a2c3582bc9e92e31713cc2fe1c262ad6a6d920f66a2278cc6486778
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37c2051e71fd2af0320a9c35e8f886a24c954c9333e6eb632d867ed0911e2cd4
[INFO] running `Command { std: "docker" "start" "-a" "37c2051e71fd2af0320a9c35e8f886a24c954c9333e6eb632d867ed0911e2cd4", kill_on_drop: false }`
[INFO] [stderr]     Checking zjson v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `number` and `literal` are never used
[INFO] [stdout]   --> lib/test_parent.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<'json> TestParent<'json> {
[INFO] [stdout]    | ----------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub fn number(&mut self) -> Number<'json, '_> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn literal(&mut self) -> Literal<'json, '_> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 0.71s
[INFO] running `Command { std: "docker" "inspect" "37c2051e71fd2af0320a9c35e8f886a24c954c9333e6eb632d867ed0911e2cd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37c2051e71fd2af0320a9c35e8f886a24c954c9333e6eb632d867ed0911e2cd4", kill_on_drop: false }`
[INFO] [stdout] 37c2051e71fd2af0320a9c35e8f886a24c954c9333e6eb632d867ed0911e2cd4