[INFO] fetching crate json-tools 1.1.3...
[INFO] checking json-tools-1.1.3 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate json-tools 1.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate json-tools 1.1.3
[INFO] finished tweaking crates.io crate json-tools 1.1.3
[INFO] tweaked toml for crates.io crate json-tools 1.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate json-tools 1.1.3 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 72 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecf05f0541b63c5f4058a545b26f9ca8fb1ebaf379f21283ccb06d13500b7bb7
[INFO] running `Command { std: "docker" "start" "-a" "ecf05f0541b63c5f4058a545b26f9ca8fb1ebaf379f21283ccb06d13500b7bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecf05f0541b63c5f4058a545b26f9ca8fb1ebaf379f21283ccb06d13500b7bb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecf05f0541b63c5f4058a545b26f9ca8fb1ebaf379f21283ccb06d13500b7bb7", kill_on_drop: false }`
[INFO] [stdout] ecf05f0541b63c5f4058a545b26f9ca8fb1ebaf379f21283ccb06d13500b7bb7
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6c8a34ec6ed42e4c3c198d9aeb75bdcf5b5b0b70c2495d55406cad715d91fdd
[INFO] running `Command { std: "docker" "start" "-a" "f6c8a34ec6ed42e4c3c198d9aeb75bdcf5b5b0b70c2495d55406cad715d91fdd", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking json-tools v1.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/iter_ext.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn reader(self, source: Option<&str>) -> TokenReader<Self>
[INFO] [stdout]    |                                    ^^^^      ----------------- the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn reader(self, source: Option<&str>) -> TokenReader<'_, Self>
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] error: couldn't read `benches/usage.rs`: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `json-tools` (bench "usage") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/iter_ext.rs:23:36
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn reader(self, source: Option<&str>) -> TokenReader<Self>
[INFO] [stdout]    |                                    ^^^^      ----------------- the same lifetime is hidden here
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn reader(self, source: Option<&str>) -> TokenReader<'_, Self>
[INFO] [stdout]    |                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f6c8a34ec6ed42e4c3c198d9aeb75bdcf5b5b0b70c2495d55406cad715d91fdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6c8a34ec6ed42e4c3c198d9aeb75bdcf5b5b0b70c2495d55406cad715d91fdd", kill_on_drop: false }`
[INFO] [stdout] f6c8a34ec6ed42e4c3c198d9aeb75bdcf5b5b0b70c2495d55406cad715d91fdd