[INFO] cloning repository https://github.com/timja/env-printer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timja/env-printer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimja%2Fenv-printer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimja%2Fenv-printer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70e629ab0d2ef608d2b250bf112baabb31176cfb
[INFO] checking timja/env-printer against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimja%2Fenv-printer" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/timja/env-printer 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 git repo https://github.com/timja/env-printer
[INFO] finished tweaking git repo https://github.com/timja/env-printer
[INFO] tweaked toml for git repo https://github.com/timja/env-printer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/timja/env-printer already has a lockfile, it will not be regenerated
[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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 16b81275834e82198ccc7a114e0bf93d5b45fa6da9a29eab5d3a42635fe85538
[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" "16b81275834e82198ccc7a114e0bf93d5b45fa6da9a29eab5d3a42635fe85538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16b81275834e82198ccc7a114e0bf93d5b45fa6da9a29eab5d3a42635fe85538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16b81275834e82198ccc7a114e0bf93d5b45fa6da9a29eab5d3a42635fe85538", kill_on_drop: false }`
[INFO] [stdout] 16b81275834e82198ccc7a114e0bf93d5b45fa6da9a29eab5d3a42635fe85538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 437ba4189658624876eaac4b7759406b10abe9ce543cc6472a44e36616e0a9cd
[INFO] running `Command { std: "docker" "start" "-a" "437ba4189658624876eaac4b7759406b10abe9ce543cc6472a44e36616e0a9cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking buf_redux v0.6.3
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking multipart v0.13.6
[INFO] [stderr]     Checking iron v0.6.0
[INFO] [stderr]     Checking persistent v0.4.0
[INFO] [stderr]     Checking bodyparser v0.8.0
[INFO] [stderr]     Checking urlencoded v0.6.0
[INFO] [stderr]     Checking params v0.8.0
[INFO] [stderr]     Checking env-printer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.70s
[INFO] running `Command { std: "docker" "inspect" "437ba4189658624876eaac4b7759406b10abe9ce543cc6472a44e36616e0a9cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "437ba4189658624876eaac4b7759406b10abe9ce543cc6472a44e36616e0a9cd", kill_on_drop: false }`
[INFO] [stdout] 437ba4189658624876eaac4b7759406b10abe9ce543cc6472a44e36616e0a9cd