[INFO] fetching crate tcalc 1.8.1... [INFO] checking tcalc-1.8.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate tcalc 1.8.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate tcalc 1.8.1 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] started tweaking crates.io crate tcalc 1.8.1 [INFO] finished tweaking crates.io crate tcalc 1.8.1 [INFO] tweaked toml for crates.io crate tcalc 1.8.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate tcalc 1.8.1 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 unicode-width v0.1.4 [INFO] [stderr] Downloaded encode_unicode v0.1.3 [INFO] [stderr] Downloaded tcalc-rustyline v1.0.2 [INFO] [stderr] Downloaded nix v0.7.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bda05d2e3d57b5ba193b6288a16bd9a216e98b6bb414e4df23aefa478334f752 [INFO] running `Command { std: "docker" "start" "-a" "bda05d2e3d57b5ba193b6288a16bd9a216e98b6bb414e4df23aefa478334f752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bda05d2e3d57b5ba193b6288a16bd9a216e98b6bb414e4df23aefa478334f752", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bda05d2e3d57b5ba193b6288a16bd9a216e98b6bb414e4df23aefa478334f752", kill_on_drop: false }` [INFO] [stdout] bda05d2e3d57b5ba193b6288a16bd9a216e98b6bb414e4df23aefa478334f752 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 68e8ce196ded5730501f5573c896b811e98ec4904a516dbd050de513f5ea39a3 [INFO] running `Command { std: "docker" "start" "-a" "68e8ce196ded5730501f5573c896b811e98ec4904a516dbd050de513f5ea39a3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.135 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling nix v0.7.0 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking tcalc-rustyline v1.0.2 [INFO] [stderr] Checking tcalc v1.8.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/buffered_iterator.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/buffered_iterator.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/buffered_iterator.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/buffered_iterator.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `length` is never read [INFO] [stdout] --> src/scanning.rs:45:6 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 45 | pub length: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `length` is never read [INFO] [stdout] --> src/scanning.rs:45:6 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct Token { [INFO] [stdout] | ----- field in this struct [INFO] [stdout] ... [INFO] [stdout] 45 | pub length: u32, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.49s [INFO] running `Command { std: "docker" "inspect" "68e8ce196ded5730501f5573c896b811e98ec4904a516dbd050de513f5ea39a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68e8ce196ded5730501f5573c896b811e98ec4904a516dbd050de513f5ea39a3", kill_on_drop: false }` [INFO] [stdout] 68e8ce196ded5730501f5573c896b811e98ec4904a516dbd050de513f5ea39a3 [INFO] checking tcalc-1.8.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate tcalc 1.8.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate tcalc 1.8.1 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] started tweaking crates.io crate tcalc 1.8.1 [INFO] finished tweaking crates.io crate tcalc 1.8.1 [INFO] tweaked toml for crates.io crate tcalc 1.8.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate tcalc 1.8.1 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a9823c16059fb42e1054559c118482f048a4c8df4ccabe98ce92f3fd0d984bbf [INFO] running `Command { std: "docker" "start" "-a" "a9823c16059fb42e1054559c118482f048a4c8df4ccabe98ce92f3fd0d984bbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a9823c16059fb42e1054559c118482f048a4c8df4ccabe98ce92f3fd0d984bbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9823c16059fb42e1054559c118482f048a4c8df4ccabe98ce92f3fd0d984bbf", kill_on_drop: false }` [INFO] [stdout] a9823c16059fb42e1054559c118482f048a4c8df4ccabe98ce92f3fd0d984bbf [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 297818d38b24dd57bd0b04f86c4373b426f20bdc51866e0c0dbb35a78ab94ee4 [INFO] running `Command { std: "docker" "start" "-a" "297818d38b24dd57bd0b04f86c4373b426f20bdc51866e0c0dbb35a78ab94ee4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.135 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Compiling nix v0.7.0 [INFO] [stderr] Checking dirs-sys v0.3.7 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking tcalc-rustyline v1.0.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/tcalc-rustyline-1.0.2/src/tty/unix.rs:297:18 [INFO] [stdout] | [INFO] [stdout] 297 | try!(Err(nix::Error::from_errno(ENOTTY))); [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 297 | try!(Err::(nix::Error::from_errno(ENOTTY))); [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tcalc-rustyline` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "297818d38b24dd57bd0b04f86c4373b426f20bdc51866e0c0dbb35a78ab94ee4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "297818d38b24dd57bd0b04f86c4373b426f20bdc51866e0c0dbb35a78ab94ee4", kill_on_drop: false }` [INFO] [stdout] 297818d38b24dd57bd0b04f86c4373b426f20bdc51866e0c0dbb35a78ab94ee4