[INFO] fetching crate phd 0.1.15... [INFO] checking phd-0.1.15 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate phd 0.1.15 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate phd 0.1.15 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc1/source/.cargo/config [INFO] started tweaking crates.io crate phd 0.1.15 [INFO] finished tweaking crates.io crate phd 0.1.15 [INFO] tweaked toml for crates.io crate phd 0.1.15 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate phd 0.1.15 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded alphanumeric-sort v1.4.4 [INFO] [stderr] Downloaded threadpool v1.7.1 [INFO] [stderr] Downloaded shell-escape v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c3d7d92a928fa94d97f8a44abf7aed7f1a94899d5e18d339e89afb2fd3f422f9 [INFO] running `Command { std: "docker" "start" "-a" "c3d7d92a928fa94d97f8a44abf7aed7f1a94899d5e18d339e89afb2fd3f422f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c3d7d92a928fa94d97f8a44abf7aed7f1a94899d5e18d339e89afb2fd3f422f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3d7d92a928fa94d97f8a44abf7aed7f1a94899d5e18d339e89afb2fd3f422f9", kill_on_drop: false }` [INFO] [stdout] c3d7d92a928fa94d97f8a44abf7aed7f1a94899d5e18d339e89afb2fd3f422f9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf2dd43f8851c26c619d93bb9665ec679b0f14c188d6f9a0454ac24384f520d2 [INFO] running `Command { std: "docker" "start" "-a" "cf2dd43f8851c26c619d93bb9665ec679b0f14c188d6f9a0454ac24384f520d2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking shell-escape v0.1.4 [INFO] [stderr] Checking alphanumeric-sort v1.4.4 [INFO] [stderr] Checking content_inspector v0.2.4 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking phd v0.1.15 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/server.rs:7:39 [INFO] [stdout] | [INFO] [stdout] 7 | io::{self, prelude::*, BufReader, Read, Write}, [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/server.rs:7:45 [INFO] [stdout] | [INFO] [stdout] 7 | io::{self, prelude::*, BufReader, Read, Write}, [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Write` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/server.rs:7:39 [INFO] [stdout] | [INFO] [stdout] 7 | io::{self, prelude::*, BufReader, Read, Write}, [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/server.rs:7:45 [INFO] [stdout] | [INFO] [stdout] 7 | io::{self, prelude::*, BufReader, Read, Write}, [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Write` is already imported here [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: the item `phd` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use phd; [INFO] [stdout] | ^^^ the item `phd` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `phd` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use phd; [INFO] [stdout] | ^^^ the item `phd` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "cf2dd43f8851c26c619d93bb9665ec679b0f14c188d6f9a0454ac24384f520d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf2dd43f8851c26c619d93bb9665ec679b0f14c188d6f9a0454ac24384f520d2", kill_on_drop: false }` [INFO] [stdout] cf2dd43f8851c26c619d93bb9665ec679b0f14c188d6f9a0454ac24384f520d2 [INFO] checking phd-0.1.15 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate phd 0.1.15 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate phd 0.1.15 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config [INFO] started tweaking crates.io crate phd 0.1.15 [INFO] finished tweaking crates.io crate phd 0.1.15 [INFO] tweaked toml for crates.io crate phd 0.1.15 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate crates.io crate phd 0.1.15 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2b9261114ffec08637ed5f04c5c671ab7e51a9bf767d262252114af7879b208 [INFO] running `Command { std: "docker" "start" "-a" "f2b9261114ffec08637ed5f04c5c671ab7e51a9bf767d262252114af7879b208", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2b9261114ffec08637ed5f04c5c671ab7e51a9bf767d262252114af7879b208", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2b9261114ffec08637ed5f04c5c671ab7e51a9bf767d262252114af7879b208", kill_on_drop: false }` [INFO] [stdout] f2b9261114ffec08637ed5f04c5c671ab7e51a9bf767d262252114af7879b208 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] baf176eb1c01cc68962ed9db4dc159439ede9d6eb406b30781bd7018daa2fae5 [INFO] running `Command { std: "docker" "start" "-a" "baf176eb1c01cc68962ed9db4dc159439ede9d6eb406b30781bd7018daa2fae5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking alphanumeric-sort v1.4.4 [INFO] [stderr] Checking shell-escape v0.1.4 [INFO] [stderr] Checking content_inspector v0.2.4 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking phd v0.1.15 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/server.rs:7:39 [INFO] [stdout] | [INFO] [stdout] 7 | io::{self, prelude::*, BufReader, Read, Write}, [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/server.rs:7:45 [INFO] [stdout] | [INFO] [stdout] 7 | io::{self, prelude::*, BufReader, Read, Write}, [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Write` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> src/server.rs:7:39 [INFO] [stdout] | [INFO] [stdout] 7 | io::{self, prelude::*, BufReader, Read, Write}, [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Write` is imported redundantly [INFO] [stdout] --> src/server.rs:7:45 [INFO] [stdout] | [INFO] [stdout] 7 | io::{self, prelude::*, BufReader, Read, Write}, [INFO] [stdout] | ---------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Write` is already imported here [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: the item `phd` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use phd; [INFO] [stdout] | ^^^ the item `phd` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `phd` is imported redundantly [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use phd; [INFO] [stdout] | ^^^ the item `phd` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/main.rs:38:34 [INFO] [stdout] | [INFO] [stdout] 38 | .map_err(|_| { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 38 | .map_err(|_| -> /* Type */ { [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/main.rs:38:34 [INFO] [stdout] | [INFO] [stdout] 38 | .map_err(|_| { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] help: try giving this closure an explicit return type [INFO] [stdout] | [INFO] [stdout] 38 | .map_err(|_| -> /* Type */ { [INFO] [stdout] | +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `phd` (bin "phd") due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `phd` (bin "phd" test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "baf176eb1c01cc68962ed9db4dc159439ede9d6eb406b30781bd7018daa2fae5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "baf176eb1c01cc68962ed9db4dc159439ede9d6eb406b30781bd7018daa2fae5", kill_on_drop: false }` [INFO] [stdout] baf176eb1c01cc68962ed9db4dc159439ede9d6eb406b30781bd7018daa2fae5