[INFO] fetching crate roof 0.6.0...
[INFO] checking roof-0.6.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate roof 0.6.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate roof 0.6.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roof 0.6.0
[INFO] finished tweaking crates.io crate roof 0.6.0
[INFO] tweaked toml for crates.io crate roof 0.6.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate roof 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48288ee53d07ec4008069f2c87d10a20d078656ee36d6d0630b91bb4c83b6962
[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" "48288ee53d07ec4008069f2c87d10a20d078656ee36d6d0630b91bb4c83b6962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48288ee53d07ec4008069f2c87d10a20d078656ee36d6d0630b91bb4c83b6962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48288ee53d07ec4008069f2c87d10a20d078656ee36d6d0630b91bb4c83b6962", kill_on_drop: false }`
[INFO] [stdout] 48288ee53d07ec4008069f2c87d10a20d078656ee36d6d0630b91bb4c83b6962
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d595bd67fa3ecd3fbec1d40aaac59e0e165803aea75771cb499e425c81f449d8
[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" "d595bd67fa3ecd3fbec1d40aaac59e0e165803aea75771cb499e425c81f449d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling openssl-sys v0.9.55
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]     Checking tokio v0.2.19
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking roof v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "d595bd67fa3ecd3fbec1d40aaac59e0e165803aea75771cb499e425c81f449d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d595bd67fa3ecd3fbec1d40aaac59e0e165803aea75771cb499e425c81f449d8", kill_on_drop: false }`
[INFO] [stdout] d595bd67fa3ecd3fbec1d40aaac59e0e165803aea75771cb499e425c81f449d8