[INFO] fetching crate explain 0.1.0...
[INFO] checking explain-0.1.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate explain 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate explain 0.1.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate explain 0.1.0
[INFO] finished tweaking crates.io crate explain 0.1.0
[INFO] tweaked toml for crates.io crate explain 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate explain 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rocket_contrib v0.4.5
[INFO] [stderr]   Downloaded rocket_http v0.4.5
[INFO] [stderr]   Downloaded rocket_codegen v0.4.5
[INFO] [stderr]   Downloaded rocket v0.4.5
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90ad1e2a88888df4f81f349670eb1db60ca7bbf4c269e1ed55278f1b1739ad31
[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" "90ad1e2a88888df4f81f349670eb1db60ca7bbf4c269e1ed55278f1b1739ad31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90ad1e2a88888df4f81f349670eb1db60ca7bbf4c269e1ed55278f1b1739ad31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ad1e2a88888df4f81f349670eb1db60ca7bbf4c269e1ed55278f1b1739ad31", kill_on_drop: false }`
[INFO] [stdout] 90ad1e2a88888df4f81f349670eb1db60ca7bbf4c269e1ed55278f1b1739ad31
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f21836386ac88a8d33990638d63de09d02b0b822e5fd74ac146a33ccb18e14c5
[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" "f21836386ac88a8d33990638d63de09d02b0b822e5fd74ac146a33ccb18e14c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling subtle v2.3.0
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling zeroize v1.1.1
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling state v0.4.2
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.5
[INFO] [stderr]    Compiling rocket v0.4.5
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking universal-hash v0.3.0
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking aead v0.2.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking aes-gcm v0.5.0
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling hkdf v0.8.0
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.4
[INFO] [stderr]    Compiling rocket_http v0.4.5
[INFO] [stderr]     Checking rocket_contrib v0.4.5
[INFO] [stderr]     Checking explain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.69s
[INFO] running `Command { std: "docker" "inspect" "f21836386ac88a8d33990638d63de09d02b0b822e5fd74ac146a33ccb18e14c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f21836386ac88a8d33990638d63de09d02b0b822e5fd74ac146a33ccb18e14c5", kill_on_drop: false }`
[INFO] [stdout] f21836386ac88a8d33990638d63de09d02b0b822e5fd74ac146a33ccb18e14c5