[INFO] fetching crate snekdown 0.33.3...
[INFO] checking snekdown-0.33.3 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate snekdown 0.33.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate snekdown 0.33.3 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snekdown 0.33.3
[INFO] finished tweaking crates.io crate snekdown 0.33.3
[INFO] tweaked toml for crates.io crate snekdown 0.33.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate snekdown 0.33.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hashbrown v0.8.2
[INFO] [stderr]   Downloaded chrono-english v0.1.4
[INFO] [stderr]   Downloaded weezl v0.1.3
[INFO] [stderr]   Downloaded scanlex v0.1.4
[INFO] [stderr]   Downloaded minify v1.2.0
[INFO] [stderr]   Downloaded plist v1.0.1
[INFO] [stderr]   Downloaded headless_chrome v0.9.0
[INFO] [stderr]   Downloaded onig v6.1.1
[INFO] [stderr]   Downloaded gh-emoji v1.0.3
[INFO] [stderr]   Downloaded charred v0.3.6
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded onig_sys v69.6.0
[INFO] [stderr]   Downloaded nom_locate v2.1.0
[INFO] [stderr]   Downloaded platform-dirs v0.2.0
[INFO] [stderr]   Downloaded indexmap v1.5.2
[INFO] [stderr]   Downloaded rsass v0.16.0
[INFO] [stderr]   Downloaded syntect v4.5.0
[INFO] [stderr]   Downloaded websocket v0.23.0
[INFO] [stderr]   Downloaded bibliographix v0.6.0
[INFO] [stderr]   Downloaded asciimath-rs v0.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d939c6ed8d52acd0b5faed6003aaa58e1cd07d08e3b2898d7c87872b67c80beb
[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" "d939c6ed8d52acd0b5faed6003aaa58e1cd07d08e3b2898d7c87872b67c80beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d939c6ed8d52acd0b5faed6003aaa58e1cd07d08e3b2898d7c87872b67c80beb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d939c6ed8d52acd0b5faed6003aaa58e1cd07d08e3b2898d7c87872b67c80beb", kill_on_drop: false }`
[INFO] [stdout] d939c6ed8d52acd0b5faed6003aaa58e1cd07d08e3b2898d7c87872b67c80beb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba3a3e63cac25762d0c0a82cc057d69fa745ac71564268143469c60f056f3c3e
[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" "ba3a3e63cac25762d0c0a82cc057d69fa745ac71564268143469c60f056f3c3e", kill_on_drop: false }`
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[INFO] [stderr]    Compiling quote v1.0.8
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[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking num-traits v0.1.43
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[INFO] [stderr]     Checking crossbeam-deque v0.8.0
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[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking chrono-english v0.1.4
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
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[INFO] [stderr]     Checking image v0.23.12
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking pin-project v1.0.4
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking structopt v0.3.21
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[INFO] [stderr]     Checking config v0.10.1
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[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking snekdown v0.33.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 26s
[INFO] running `Command { std: "docker" "inspect" "ba3a3e63cac25762d0c0a82cc057d69fa745ac71564268143469c60f056f3c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba3a3e63cac25762d0c0a82cc057d69fa745ac71564268143469c60f056f3c3e", kill_on_drop: false }`
[INFO] [stdout] ba3a3e63cac25762d0c0a82cc057d69fa745ac71564268143469c60f056f3c3e