[INFO] fetching crate ptt-crawler 0.1.0...
[INFO] checking ptt-crawler-0.1.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate ptt-crawler 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ptt-crawler 0.1.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ptt-crawler 0.1.0
[INFO] finished tweaking crates.io crate ptt-crawler 0.1.0
[INFO] tweaked toml for crates.io crate ptt-crawler 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate ptt-crawler 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4389ccc21edcffeb8f87910947fa65c6c432fbb5dbf961dcfa50dadcdc63fc31
[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" "4389ccc21edcffeb8f87910947fa65c6c432fbb5dbf961dcfa50dadcdc63fc31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4389ccc21edcffeb8f87910947fa65c6c432fbb5dbf961dcfa50dadcdc63fc31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4389ccc21edcffeb8f87910947fa65c6c432fbb5dbf961dcfa50dadcdc63fc31", kill_on_drop: false }`
[INFO] [stdout] 4389ccc21edcffeb8f87910947fa65c6c432fbb5dbf961dcfa50dadcdc63fc31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f513d13354eb76c5ec4d26b8b359a15bd89d850aa38a8e08a79aa2a9565ccab4
[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" "f513d13354eb76c5ec4d26b8b359a15bd89d850aa38a8e08a79aa2a9565ccab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
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[INFO] [stderr]    Compiling phf_generator v0.7.24
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[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
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[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
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[INFO] [stderr]    Compiling failure_derive v0.1.6
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[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking hyper-tls v0.4.0
[INFO] [stderr]     Checking select v0.5.0
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[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]     Checking fake-useragent v0.1.3
[INFO] [stderr]     Checking ptt-crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser.rs:448:24
[INFO] [stdout]     |
[INFO] [stdout] 448 |         Document::from(load_str!(path))
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/parser.rs:448:24
[INFO] [stdout]     |
[INFO] [stdout] 448 |         Document::from(load_str!(path))
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 17s
[INFO] running `Command { std: "docker" "inspect" "f513d13354eb76c5ec4d26b8b359a15bd89d850aa38a8e08a79aa2a9565ccab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f513d13354eb76c5ec4d26b8b359a15bd89d850aa38a8e08a79aa2a9565ccab4", kill_on_drop: false }`
[INFO] [stdout] f513d13354eb76c5ec4d26b8b359a15bd89d850aa38a8e08a79aa2a9565ccab4