[INFO] fetching crate zash 0.1.1... [INFO] checking zash-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate zash 0.1.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate zash 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate zash 0.1.1 [INFO] finished tweaking crates.io crate zash 0.1.1 [INFO] tweaked toml for crates.io crate zash 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate zash 0.1.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fd-lock v3.0.0 [INFO] [stderr] Downloaded str-buf v1.0.5 [INFO] [stderr] Downloaded signal-hook v0.3.10 [INFO] [stderr] Downloaded whoami v1.1.5 [INFO] [stderr] Downloaded clipboard-win v4.2.2 [INFO] [stderr] Downloaded error-code v2.3.0 [INFO] [stderr] Downloaded rustyline v9.0.0 [INFO] [stderr] Downloaded nix v0.22.2 [INFO] [stderr] Downloaded rustyline-derive v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 86835b97f048daa3e76e1ba0fd3c8c0ed3fe0e460b348f1b6839ab29f602fbb3 [INFO] running `Command { std: "docker" "start" "-a" "86835b97f048daa3e76e1ba0fd3c8c0ed3fe0e460b348f1b6839ab29f602fbb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "86835b97f048daa3e76e1ba0fd3c8c0ed3fe0e460b348f1b6839ab29f602fbb3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86835b97f048daa3e76e1ba0fd3c8c0ed3fe0e460b348f1b6839ab29f602fbb3", kill_on_drop: false }` [INFO] [stdout] 86835b97f048daa3e76e1ba0fd3c8c0ed3fe0e460b348f1b6839ab29f602fbb3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f6a98f85a46755697feabb5dcf34baf5b6fe0f2e4f976294beb76b450e3692f [INFO] running `Command { std: "docker" "start" "-a" "5f6a98f85a46755697feabb5dcf34baf5b6fe0f2e4f976294beb76b450e3692f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling whoami v1.1.5 [INFO] [stderr] Compiling signal-hook v0.3.10 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking nix v0.22.2 [INFO] [stderr] Checking fd-lock v3.0.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking rustyline v9.0.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling rustyline-derive v0.5.0 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking zash v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `whoami` is imported redundantly [INFO] [stdout] --> src/shell.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use whoami; [INFO] [stdout] | ^^^^^^ the item `whoami` 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 `BufRead` is imported redundantly [INFO] [stdout] --> src/utils.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `BufRead` is already imported here [INFO] [stdout] 7 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `whoami` is imported redundantly [INFO] [stdout] --> src/shell.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use whoami; [INFO] [stdout] | ^^^^^^ the item `whoami` 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 `BufRead` is imported redundantly [INFO] [stdout] --> src/utils.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `BufRead` is already imported here [INFO] [stdout] 7 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `interactive` and `login` are never read [INFO] [stdout] --> src/opts.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Opts { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub interactive: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | pub login: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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: fields `interactive` and `login` are never read [INFO] [stdout] --> src/opts.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Opts { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub interactive: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | pub login: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 9.02s [INFO] running `Command { std: "docker" "inspect" "5f6a98f85a46755697feabb5dcf34baf5b6fe0f2e4f976294beb76b450e3692f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f6a98f85a46755697feabb5dcf34baf5b6fe0f2e4f976294beb76b450e3692f", kill_on_drop: false }` [INFO] [stdout] 5f6a98f85a46755697feabb5dcf34baf5b6fe0f2e4f976294beb76b450e3692f [INFO] checking zash-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate zash 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate zash 0.1.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate zash 0.1.1 [INFO] finished tweaking crates.io crate zash 0.1.1 [INFO] tweaked toml for crates.io crate zash 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate zash 0.1.1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a821a6647a2322c42c819c4693fb1ff1bb9d1c93fcda3aa8a16b8d32b9663674 [INFO] running `Command { std: "docker" "start" "-a" "a821a6647a2322c42c819c4693fb1ff1bb9d1c93fcda3aa8a16b8d32b9663674", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a821a6647a2322c42c819c4693fb1ff1bb9d1c93fcda3aa8a16b8d32b9663674", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a821a6647a2322c42c819c4693fb1ff1bb9d1c93fcda3aa8a16b8d32b9663674", kill_on_drop: false }` [INFO] [stdout] a821a6647a2322c42c819c4693fb1ff1bb9d1c93fcda3aa8a16b8d32b9663674 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ff3d0139fe3dcc3455f4c4e1cd8a81e9c8867d56c41c9c0a467b5bab9fa2815 [INFO] running `Command { std: "docker" "start" "-a" "6ff3d0139fe3dcc3455f4c4e1cd8a81e9c8867d56c41c9c0a467b5bab9fa2815", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Compiling signal-hook v0.3.10 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling whoami v1.1.5 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking nix v0.22.2 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking fd-lock v3.0.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking colored v2.0.0 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking dirs v4.0.0 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Compiling rustyline-derive v0.5.0 [INFO] [stderr] Checking rustyline v9.0.0 [INFO] [stderr] Checking structopt v0.3.25 [INFO] [stderr] Checking zash v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `whoami` is imported redundantly [INFO] [stdout] --> src/shell.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use whoami; [INFO] [stdout] | ^^^^^^ the item `whoami` 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 `BufRead` is imported redundantly [INFO] [stdout] --> src/utils.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `BufRead` is already imported here [INFO] [stdout] 7 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `whoami` is imported redundantly [INFO] [stdout] --> src/shell.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use whoami; [INFO] [stdout] | ^^^^^^ the item `whoami` 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 `BufRead` is imported redundantly [INFO] [stdout] --> src/utils.rs:7:21 [INFO] [stdout] | [INFO] [stdout] 6 | use std::io::prelude::*; [INFO] [stdout] | ------------------- the item `BufRead` is already imported here [INFO] [stdout] 7 | use std::io::{self, BufRead}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `interactive` and `login` are never read [INFO] [stdout] --> src/opts.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Opts { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub interactive: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | pub login: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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: fields `interactive` and `login` are never read [INFO] [stdout] --> src/opts.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct Opts { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 8 | pub interactive: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 11 | pub login: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Opts` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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 8.91s [INFO] running `Command { std: "docker" "inspect" "6ff3d0139fe3dcc3455f4c4e1cd8a81e9c8867d56c41c9c0a467b5bab9fa2815", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ff3d0139fe3dcc3455f4c4e1cd8a81e9c8867d56c41c9c0a467b5bab9fa2815", kill_on_drop: false }` [INFO] [stdout] 6ff3d0139fe3dcc3455f4c4e1cd8a81e9c8867d56c41c9c0a467b5bab9fa2815