[INFO] fetching crate beginner_tools 1.1.1...
[INFO] testing beginner_tools-1.1.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate beginner_tools 1.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate beginner_tools 1.1.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate beginner_tools 1.1.1
[INFO] finished tweaking crates.io crate beginner_tools 1.1.1
[INFO] tweaked toml for crates.io crate beginner_tools 1.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", 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] f3c2ac9c1f8163a862f7d76f3431b001d45e8ade79af9a8878f10fa796505961
[INFO] running `Command { std: "docker" "start" "-a" "f3c2ac9c1f8163a862f7d76f3431b001d45e8ade79af9a8878f10fa796505961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3c2ac9c1f8163a862f7d76f3431b001d45e8ade79af9a8878f10fa796505961", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c2ac9c1f8163a862f7d76f3431b001d45e8ade79af9a8878f10fa796505961", kill_on_drop: false }`
[INFO] [stdout] f3c2ac9c1f8163a862f7d76f3431b001d45e8ade79af9a8878f10fa796505961
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b78d667facbb74bf0b018473306028c018857874347975e98ef42706bef8bd84
[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" "b78d667facbb74bf0b018473306028c018857874347975e98ef42706bef8bd84", kill_on_drop: false }`
[INFO] [stderr]    Compiling beginner_tools v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn get_stdin<T>() -> Result<T, Box<Error>> 
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[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]   --> src/lib.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn input<T>(prompt: &str) -> Result<T, Box<Error>> 
[INFO] [stdout]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b78d667facbb74bf0b018473306028c018857874347975e98ef42706bef8bd84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b78d667facbb74bf0b018473306028c018857874347975e98ef42706bef8bd84", kill_on_drop: false }`
[INFO] [stdout] b78d667facbb74bf0b018473306028c018857874347975e98ef42706bef8bd84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.47.0" "test" "--frozen" "--no-run" "--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] 4a7a8e387671599ac135ddc090fe894ae597494e934a47fad56cc7b14a5ba546
[INFO] running `Command { std: "docker" "start" "-a" "4a7a8e387671599ac135ddc090fe894ae597494e934a47fad56cc7b14a5ba546", kill_on_drop: false }`
[INFO] [stderr]    Compiling beginner_tools v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn get_stdin<T>() -> Result<T, Box<Error>> 
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[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]   --> src/lib.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn input<T>(prompt: &str) -> Result<T, Box<Error>> 
[INFO] [stdout]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:40
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn get_stdin<T>() -> Result<T, Box<Error>> 
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[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]   --> src/lib.rs:62:48
[INFO] [stdout]    |
[INFO] [stdout] 62 | pub fn input<T>(prompt: &str) -> Result<T, Box<Error>> 
[INFO] [stdout]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a7a8e387671599ac135ddc090fe894ae597494e934a47fad56cc7b14a5ba546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a7a8e387671599ac135ddc090fe894ae597494e934a47fad56cc7b14a5ba546", kill_on_drop: false }`
[INFO] [stdout] 4a7a8e387671599ac135ddc090fe894ae597494e934a47fad56cc7b14a5ba546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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" "+1.47.0" "test" "--frozen", 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] 8af4f596c6434fb5102b3bd2e0924d2e62eff965feadd1aca92e8b9c421438f3
[INFO] running `Command { std: "docker" "start" "-a" "8af4f596c6434fb5102b3bd2e0924d2e62eff965feadd1aca92e8b9c421438f3", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:27:40
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn get_stdin<T>() -> Result<T, Box<Error>> 
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:62:48
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn input<T>(prompt: &str) -> Result<T, Box<Error>> 
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:27:40
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub fn get_stdin<T>() -> Result<T, Box<Error>> 
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:62:48
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn input<T>(prompt: &str) -> Result<T, Box<Error>> 
[INFO] [stderr]    |                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/beginner_tools-c4aef2fadc4e0d8f
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests beginner_tools
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - get_stdin (line 14) ... FAILED
[INFO] [stdout] test src/lib.rs - input (line 42) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - get_stdin (line 14) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `get_stdin` in this scope
[INFO] [stdout]  --> src/lib.rs:17:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     if let Ok(n) = get_stdin::<f64>() {
[INFO] [stdout]   |                    ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - input (line 42) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `input` in this scope
[INFO] [stdout]  --> src/lib.rs:46:20
[INFO] [stdout]   |
[INFO] [stdout] 6 |     if let Ok(n) = input("Type an integer: ") {
[INFO] [stdout]   |                    ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `input` in this scope
[INFO] [stdout]   --> src/lib.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 15 | let my_float = input::<f64>("")
[INFO] [stdout]    |                ^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - get_stdin (line 14)
[INFO] [stdout]     src/lib.rs - input (line 42)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "8af4f596c6434fb5102b3bd2e0924d2e62eff965feadd1aca92e8b9c421438f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af4f596c6434fb5102b3bd2e0924d2e62eff965feadd1aca92e8b9c421438f3", kill_on_drop: false }`
[INFO] [stdout] 8af4f596c6434fb5102b3bd2e0924d2e62eff965feadd1aca92e8b9c421438f3
