[INFO] fetching crate pony-playground 0.1.0...
[INFO] checking pony-playground-0.1.0 against try#40b20bc1bf55bfe3b99c09c905e596d3e650663c for pr-73084-1
[INFO] extracting crate pony-playground 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate pony-playground 0.1.0 on toolchain 40b20bc1bf55bfe3b99c09c905e596d3e650663c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pony-playground 0.1.0
[INFO] finished tweaking crates.io crate pony-playground 0.1.0
[INFO] tweaked toml for crates.io crate pony-playground 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48a319d1e86f3b9961afb8ec5974365fb769b8b182ad0047cc6fc42b24493125
[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" "48a319d1e86f3b9961afb8ec5974365fb769b8b182ad0047cc6fc42b24493125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a319d1e86f3b9961afb8ec5974365fb769b8b182ad0047cc6fc42b24493125", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a319d1e86f3b9961afb8ec5974365fb769b8b182ad0047cc6fc42b24493125", kill_on_drop: false }`
[INFO] [stdout] 48a319d1e86f3b9961afb8ec5974365fb769b8b182ad0047cc6fc42b24493125
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+40b20bc1bf55bfe3b99c09c905e596d3e650663c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6162f6b4faccbce41d67655c9b5ec2b2c51c6f9b8047c8ee12de9850f4c9c041
[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" "6162f6b4faccbce41d67655c9b5ec2b2c51c6f9b8047c8ee12de9850f4c9c041", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.4.0
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
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[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling pear_codegen v0.1.4
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[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling rocket v0.4.5
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]     Checking aes-soft v0.3.3
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[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
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[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]     Checking tokio v0.1.22
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[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking hyperx v0.13.2
[INFO] [stderr]    Compiling pear v0.1.4
[INFO] [stderr]     Checking rocket_http v0.4.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking hubcaps v0.5.0
[INFO] [stderr]     Checking rocket_contrib v0.4.5
[INFO] [stderr]     Checking pony-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let out = try!(run(Command::new("docker")
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut cmd = try!(cmd.spawn());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         try!(cmd.stdin.take().unwrap().write_all(input));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let (status, timeout) = match try!(cmd.wait_timeout(timeout)) {
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(run(Command::new("docker").arg("kill").arg(&self.id)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 (try!(cmd.wait()), true)
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/docker.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let out = try!(cmd.output());
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let container = try!(Container::new(cmd, &key.args, &[], branch.image()));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let tuple = try!(container.run(key.input.as_bytes(), Duration::new(5, 0)));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/docker.rs:88:45
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn append(into: &Mutex<Vec<u8>>, from: &mut Read) {
[INFO] [stdout]    |                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:20:19
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let out = try!(run(Command::new("docker")
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:53:23
[INFO] [stdout]    |
[INFO] [stdout] 53 |         let mut cmd = try!(cmd.spawn());
[INFO] [stdout]    |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         try!(cmd.stdin.take().unwrap().write_all(input));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:65:39
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let (status, timeout) = match try!(cmd.wait_timeout(timeout)) {
[INFO] [stdout]    |                                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:73:17
[INFO] [stdout]    |
[INFO] [stdout] 73 |                 try!(run(Command::new("docker").arg("kill").arg(&self.id)));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/docker.rs:74:18
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 (try!(cmd.wait()), true)
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/docker.rs:110:15
[INFO] [stdout]     |
[INFO] [stdout] 110 |     let out = try!(cmd.output());
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let container = try!(Container::new(cmd, &key.args, &[], branch.image()));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |         let tuple = try!(container.run(key.input.as_bytes(), Duration::new(5, 0)));
[INFO] [stdout]    |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/docker.rs:88:45
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn append(into: &Mutex<Vec<u8>>, from: &mut Read) {
[INFO] [stdout]    |                                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 05s
[INFO] running `Command { std: "docker" "inspect" "6162f6b4faccbce41d67655c9b5ec2b2c51c6f9b8047c8ee12de9850f4c9c041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6162f6b4faccbce41d67655c9b5ec2b2c51c6f9b8047c8ee12de9850f4c9c041", kill_on_drop: false }`
[INFO] [stdout] 6162f6b4faccbce41d67655c9b5ec2b2c51c6f9b8047c8ee12de9850f4c9c041