[INFO] fetching crate quicr 0.4.1...
[INFO] checking quicr-0.4.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate quicr 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate quicr 0.4.1 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 quicr 0.4.1
[INFO] finished tweaking crates.io crate quicr 0.4.1
[INFO] tweaked toml for crates.io crate quicr 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quicr-core v0.4.1
[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" "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] cfb76a63ee6bed5133399374b9ea16b3966803bb5c1ef67ca5f45fdbc3b13980
[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" "cfb76a63ee6bed5133399374b9ea16b3966803bb5c1ef67ca5f45fdbc3b13980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfb76a63ee6bed5133399374b9ea16b3966803bb5c1ef67ca5f45fdbc3b13980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb76a63ee6bed5133399374b9ea16b3966803bb5c1ef67ca5f45fdbc3b13980", kill_on_drop: false }`
[INFO] [stdout] cfb76a63ee6bed5133399374b9ea16b3966803bb5c1ef67ca5f45fdbc3b13980
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08ef6d280930e6a8afcc22edacda2208c6578a1d54e1fdda6340bcee74728870
[INFO] running `Command { std: "docker" "start" "-a" "08ef6d280930e6a8afcc22edacda2208c6578a1d54e1fdda6340bcee74728870", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking quicr-core v0.4.1
[INFO] [stderr]     Checking quicr v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `tokio_reactor::Handle::current`: semantics were sometimes surprising, use Handle::default()
[INFO] [stdout]    --> src/lib.rs:278:92
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let reactor = if let Some(x) = self.reactor { Cow::Borrowed(x) } else { Cow::Owned(tokio_reactor::Handle::current()) };
[INFO] [stdout]     |                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `tokio_reactor::Handle::current`: semantics were sometimes surprising, use Handle::default()
[INFO] [stdout]    --> src/lib.rs:278:92
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let reactor = if let Some(x) = self.reactor { Cow::Borrowed(x) } else { Cow::Owned(tokio_reactor::Handle::current()) };
[INFO] [stdout]     |                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:541:29
[INFO] [stdout]     |
[INFO] [stdout] 541 |                         let mut cancel = match timer {
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:541:29
[INFO] [stdout]     |
[INFO] [stdout] 541 |                         let mut cancel = match timer {
[INFO] [stdout]     |                             ----^^^^^^
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/interop.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/server.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/server.rs:31:30
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct PrettyErr<'a>(&'a Fail);
[INFO] [stdout]    |                              ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/server.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let mut x: &Fail = self.0;
[INFO] [stdout]    |                     ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> examples/server.rs:107:78
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let key = fs::read(&key_path).context("failed to read private key")?;;
[INFO] [stdout]     |                                                                              ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `tokio::executor::current_thread`: use tokio-current-thread crate or functions in tokio::runtime::current_thread instead
[INFO] [stdout]   --> examples/server.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use tokio::executor::current_thread;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::cause`: please use 'as_fail()' method instead
[INFO] [stdout]   --> examples/server.rs:50:52
[INFO] [stdout]    |
[INFO] [stdout] 50 |     fn pretty(&self) -> PrettyErr { PrettyErr(self.cause()) }
[INFO] [stdout]    |                                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> examples/client.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated module `tokio::executor::current_thread`: use tokio-current-thread crate or functions in tokio::runtime::current_thread instead
[INFO] [stdout]   --> examples/client.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | use tokio::executor::current_thread;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.32s
[INFO] running `Command { std: "docker" "inspect" "08ef6d280930e6a8afcc22edacda2208c6578a1d54e1fdda6340bcee74728870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08ef6d280930e6a8afcc22edacda2208c6578a1d54e1fdda6340bcee74728870", kill_on_drop: false }`
[INFO] [stdout] 08ef6d280930e6a8afcc22edacda2208c6578a1d54e1fdda6340bcee74728870