[INFO] cloning repository https://github.com/echochamber/tinkering [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/echochamber/tinkering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechochamber%2Ftinkering", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechochamber%2Ftinkering'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8e17f3360b516c74c1388059fa3c708a33ac4b6b [INFO] checking echochamber/tinkering/8e17f3360b516c74c1388059fa3c708a33ac4b6b against master#f609b7e0586f81fefb3523e3e17adf779ac416be for pr-129466-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fechochamber%2Ftinkering" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/echochamber/tinkering on toolchain f609b7e0586f81fefb3523e3e17adf779ac416be [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/echochamber/tinkering [INFO] finished tweaking git repo https://github.com/echochamber/tinkering [INFO] tweaked toml for git repo https://github.com/echochamber/tinkering written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/echochamber/tinkering already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bytes v0.4.5 [INFO] [stderr] Downloaded iovec v0.1.1 [INFO] [stderr] Downloaded scoped-tls v0.1.0 [INFO] [stderr] Downloaded atty v0.2.3 [INFO] [stderr] Downloaded slab v0.3.0 [INFO] [stderr] Downloaded redox_syscall v0.1.31 [INFO] [stderr] Downloaded rustc-demangle v0.1.5 [INFO] [stderr] Downloaded lazycell v0.5.1 [INFO] [stderr] Downloaded net2 v0.2.31 [INFO] [stderr] Downloaded tokio-io v0.1.4 [INFO] [stderr] Downloaded cc v1.0.3 [INFO] [stderr] Downloaded backtrace v0.3.4 [INFO] [stderr] Downloaded tokio-core v0.1.10 [INFO] [stderr] Downloaded mio v0.6.11 [INFO] [stderr] Downloaded futures v0.1.17 [INFO] [stderr] Downloaded clap v2.27.1 [INFO] [stderr] Downloaded libc v0.2.33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 19ea963d466b40bbb103f2300efd341c813bfb826d257ad436d419814e19d93b [INFO] running `Command { std: "docker" "start" "-a" "19ea963d466b40bbb103f2300efd341c813bfb826d257ad436d419814e19d93b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "19ea963d466b40bbb103f2300efd341c813bfb826d257ad436d419814e19d93b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19ea963d466b40bbb103f2300efd341c813bfb826d257ad436d419814e19d93b", kill_on_drop: false }` [INFO] [stdout] 19ea963d466b40bbb103f2300efd341c813bfb826d257ad436d419814e19d93b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3e0bf585b86c9a85f6f35978596d53a90413f5610a4e724558dce4559ba8c637 [INFO] running `Command { std: "docker" "start" "-a" "3e0bf585b86c9a85f6f35978596d53a90413f5610a4e724558dce4559ba8c637", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking libc v0.2.33 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Compiling cc v1.0.3 [INFO] [stderr] Checking log v0.3.8 [INFO] [stderr] Checking byteorder v1.1.0 [INFO] [stderr] Checking lazycell v0.5.1 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking futures v0.1.17 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking rustc-demangle v0.1.5 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking slab v0.4.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking scoped-tls v0.1.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking iovec v0.1.1 [INFO] [stderr] Checking net2 v0.2.31 [INFO] [stderr] Checking atty v0.2.3 [INFO] [stderr] Checking termion v1.5.1 [INFO] [stderr] Checking bytes v0.4.5 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Compiling backtrace-sys v0.1.16 [INFO] [stderr] Checking mio v0.6.11 [INFO] [stderr] Checking tokio-io v0.1.4 [INFO] [stderr] Checking tokio-core v0.1.10 [INFO] [stderr] Checking backtrace v0.3.4 [INFO] [stderr] Checking error-chain v0.11.0 [INFO] [stderr] Checking echo-edit v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead` and `Cursor` [INFO] [stdout] --> src/main.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 12 | use std::io::{Write, Read, BufRead, Cursor, self}; [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::char::from_u32` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::char::from_u32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead` and `Cursor` [INFO] [stdout] --> src/main.rs:12:28 [INFO] [stdout] | [INFO] [stdout] 12 | use std::io::{Write, Read, BufRead, Cursor, self}; [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::char::from_u32` [INFO] [stdout] --> src/main.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | use std::char::from_u32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `io` [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(io)] [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `io` [INFO] [stdout] --> src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(io)] [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `chars` found for struct `Stdin` in the current scope [INFO] [stdout] --> src/main.rs:82:32 [INFO] [stdout] | [INFO] [stdout] 82 | for my_char in io::stdin().chars() { [INFO] [stdout] | ^^^^^ method not found in `Stdin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `chars` found for struct `Stdin` in the current scope [INFO] [stdout] --> src/main.rs:82:32 [INFO] [stdout] | [INFO] [stdout] 82 | for my_char in io::stdin().chars() { [INFO] [stdout] | ^^^^^ method not found in `Stdin` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut stdin = io::stdin(); [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/main.rs:34:13 [INFO] [stdout] | [INFO] [stdout] 34 | let mut stdin = io::stdin(); [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: unused variable: `echo_ed` [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let echo_ed = clap_app!( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_ed` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `echo_ed` [INFO] [stdout] --> src/main.rs:66:9 [INFO] [stdout] | [INFO] [stdout] 66 | let echo_ed = clap_app!( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_echo_ed` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `echo-edit` (bin "echo-edit") due to 3 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `echo-edit` (bin "echo-edit" test) due to 3 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "3e0bf585b86c9a85f6f35978596d53a90413f5610a4e724558dce4559ba8c637", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3e0bf585b86c9a85f6f35978596d53a90413f5610a4e724558dce4559ba8c637", kill_on_drop: false }` [INFO] [stdout] 3e0bf585b86c9a85f6f35978596d53a90413f5610a4e724558dce4559ba8c637