[INFO] fetching crate retrobasic 0.1.0...
[INFO] checking retrobasic-0.1.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] extracting crate retrobasic 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate retrobasic 0.1.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate retrobasic 0.1.0
[INFO] finished tweaking crates.io crate retrobasic 0.1.0
[INFO] tweaked toml for crates.io crate retrobasic 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9e5feca8af581ea9a25fb211ed4c23b73822ef7f6a112d0f8f8bab60e07f365
[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" "d9e5feca8af581ea9a25fb211ed4c23b73822ef7f6a112d0f8f8bab60e07f365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9e5feca8af581ea9a25fb211ed4c23b73822ef7f6a112d0f8f8bab60e07f365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e5feca8af581ea9a25fb211ed4c23b73822ef7f6a112d0f8f8bab60e07f365", kill_on_drop: false }`
[INFO] [stdout] d9e5feca8af581ea9a25fb211ed4c23b73822ef7f6a112d0f8f8bab60e07f365
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8ad2d30e085c2ff656f2bf01f10907207773c3a574e0720b124a71bdc394001
[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" "a8ad2d30e085c2ff656f2bf01f10907207773c3a574e0720b124a71bdc394001", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking smallvec v0.2.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking try-lock v0.1.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking take v0.1.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking dimsum v0.1.0
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-fs v0.1.7
[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 v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking retrobasic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:167:16
[INFO] [stdout]     |
[INFO] [stdout] 167 |             '0'...'9' | '.' => self.number(),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:169:16
[INFO] [stdout]     |
[INFO] [stdout] 169 |             'a'...'z' | 'A'...'Z' => self.identifier(),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:169:28
[INFO] [stdout]     |
[INFO] [stdout] 169 |             'a'...'z' | 'A'...'Z' => self.identifier(),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:30:32
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:167:16
[INFO] [stdout]     |
[INFO] [stdout] 167 |             '0'...'9' | '.' => self.number(),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:169:16
[INFO] [stdout]     |
[INFO] [stdout] 169 |             'a'...'z' | 'A'...'Z' => self.identifier(),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lexer.rs:169:28
[INFO] [stdout]     |
[INFO] [stdout] 169 |             'a'...'z' | 'A'...'Z' => self.identifier(),
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[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/main.rs:89:64
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 println!("Couldn't open {}: {}", filename, why.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/main.rs:98:64
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 println!("couldn't read {}: {}", filename, why.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/main.rs:89:64
[INFO] [stdout]    |
[INFO] [stdout] 89 |                 println!("Couldn't open {}: {}", filename, why.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/main.rs:98:64
[INFO] [stdout]    |
[INFO] [stdout] 98 |                 println!("couldn't read {}: {}", filename, why.description());
[INFO] [stdout]    |                                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.28s
[INFO] running `Command { std: "docker" "inspect" "a8ad2d30e085c2ff656f2bf01f10907207773c3a574e0720b124a71bdc394001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ad2d30e085c2ff656f2bf01f10907207773c3a574e0720b124a71bdc394001", kill_on_drop: false }`
[INFO] [stdout] a8ad2d30e085c2ff656f2bf01f10907207773c3a574e0720b124a71bdc394001