[INFO] fetching crate mammut 0.13.0...
[INFO] checking mammut-0.13.0 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate mammut 0.13.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mammut 0.13.0 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mammut 0.13.0
[INFO] finished tweaking crates.io crate mammut 0.13.0
[INFO] tweaked toml for crates.io crate mammut 0.13.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate mammut 0.13.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c4ebc9dba7d7e9d6fc0928cf5c54230f85a308c4430803ae9830673fb398bcd
[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" "7c4ebc9dba7d7e9d6fc0928cf5c54230f85a308c4430803ae9830673fb398bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c4ebc9dba7d7e9d6fc0928cf5c54230f85a308c4430803ae9830673fb398bcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4ebc9dba7d7e9d6fc0928cf5c54230f85a308c4430803ae9830673fb398bcd", kill_on_drop: false }`
[INFO] [stdout] 7c4ebc9dba7d7e9d6fc0928cf5c54230f85a308c4430803ae9830673fb398bcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0377227e7e297111bd7951fd80319cce1c773527072bf4e49e481f34862e1bd
[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" "f0377227e7e297111bd7951fd80319cce1c773527072bf4e49e481f34862e1bd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]     Checking indexmap v1.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling hyperx v0.15.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking miniz_oxide v0.3.2
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[INFO] [stderr]     Checking crc32fast v1.2.0
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[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling quote v0.6.13
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[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
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[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking backtrace v0.3.35
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.7
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.20
[INFO] [stderr]     Checking mammut v0.13.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:298:38
[INFO] [stdout]     |
[INFO] [stdout] 298 |             Error::Serde(ref e) => e.description(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:32:24
[INFO] [stdout]     |
[INFO] [stdout] 32  | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:299:37
[INFO] [stdout]     |
[INFO] [stdout] 299 |             Error::Http(ref e) => e.description(),
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:300:35
[INFO] [stdout]     |
[INFO] [stdout] 300 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:301:36
[INFO] [stdout]     |
[INFO] [stdout] 301 |             Error::Url(ref e) => e.description(),
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:305:39
[INFO] [stdout]     |
[INFO] [stdout] 305 |             Error::Hyperx(ref e) => e.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:306:39
[INFO] [stdout]     |
[INFO] [stdout] 306 |             Error::Header(ref e) => e.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:298:38
[INFO] [stdout]     |
[INFO] [stdout] 298 |             Error::Serde(ref e) => e.description(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:299:37
[INFO] [stdout]     |
[INFO] [stdout] 299 |             Error::Http(ref e) => e.description(),
[INFO] [stdout]     |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:300:35
[INFO] [stdout]     |
[INFO] [stdout] 300 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:301:36
[INFO] [stdout]     |
[INFO] [stdout] 301 |             Error::Url(ref e) => e.description(),
[INFO] [stdout]     |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:305:39
[INFO] [stdout]     |
[INFO] [stdout] 305 |             Error::Hyperx(ref e) => e.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:306:39
[INFO] [stdout]     |
[INFO] [stdout] 306 |             Error::Header(ref e) => e.description(),
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mammut`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f0377227e7e297111bd7951fd80319cce1c773527072bf4e49e481f34862e1bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0377227e7e297111bd7951fd80319cce1c773527072bf4e49e481f34862e1bd", kill_on_drop: false }`
[INFO] [stdout] f0377227e7e297111bd7951fd80319cce1c773527072bf4e49e481f34862e1bd
