[INFO] fetching crate ezrest 0.0.1-beta-2...
[INFO] checking ezrest-0.0.1-beta-2 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate ezrest 0.0.1-beta-2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate ezrest 0.0.1-beta-2 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ezrest 0.0.1-beta-2
[INFO] finished tweaking crates.io crate ezrest 0.0.1-beta-2
[INFO] tweaked toml for crates.io crate ezrest 0.0.1-beta-2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0b491dadb3743b23dc374edbf2917b730a714e0d5ea5eecca85bfe70614b57d
[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" "d0b491dadb3743b23dc374edbf2917b730a714e0d5ea5eecca85bfe70614b57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0b491dadb3743b23dc374edbf2917b730a714e0d5ea5eecca85bfe70614b57d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b491dadb3743b23dc374edbf2917b730a714e0d5ea5eecca85bfe70614b57d", kill_on_drop: false }`
[INFO] [stdout] d0b491dadb3743b23dc374edbf2917b730a714e0d5ea5eecca85bfe70614b57d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b3827fe0689300ee33ddf4d856bbec16bf538f8844afcbb19c9216aceffe385
[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" "5b3827fe0689300ee33ddf4d856bbec16bf538f8844afcbb19c9216aceffe385", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cpufeatures v0.1.5
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.10
[INFO] [stderr]    Compiling rocket v0.4.10
[INFO] [stderr]    Compiling ezrest v0.0.1-beta-2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling cipher v0.2.5
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling universal-hash v0.4.1
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling aead v0.3.2
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling polyval v0.4.5
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling sha2 v0.9.5
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]    Compiling ghash v0.3.1
[INFO] [stderr]    Compiling hkdf v0.10.0
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]     Checking cookie v0.11.4
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking toml v0.4.10
[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]     Checking rocket_http v0.4.10
[INFO] [stderr]     Checking rocket_contrib v0.4.10
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | /         create_dir(root_dir.to_owned() + "/src" + &base).map_err(|err| -> String {
[INFO] [stdout] 22 | |             println!("Error creating root dir for api : {:?}", err);
[INFO] [stdout] 23 | |             "Error creating root dir for api".into()
[INFO] [stdout] 24 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | /         create_dir(root_dir.to_owned() + "/src" + &base).map_err(|err| -> String {
[INFO] [stdout] 22 | |             println!("Error creating root dir for api : {:?}", err);
[INFO] [stdout] 23 | |             "Error creating root dir for api".into()
[INFO] [stdout] 24 | |         });
[INFO] [stdout]    | |___________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.04s
[INFO] running `Command { std: "docker" "inspect" "5b3827fe0689300ee33ddf4d856bbec16bf538f8844afcbb19c9216aceffe385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b3827fe0689300ee33ddf4d856bbec16bf538f8844afcbb19c9216aceffe385", kill_on_drop: false }`
[INFO] [stdout] 5b3827fe0689300ee33ddf4d856bbec16bf538f8844afcbb19c9216aceffe385