[INFO] fetching crate tao-of-rust 1.0.2... [INFO] checking tao-of-rust-1.0.2 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1 [INFO] extracting crate tao-of-rust 1.0.2 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate tao-of-rust 1.0.2 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tao-of-rust 1.0.2 [INFO] finished tweaking crates.io crate tao-of-rust 1.0.2 [INFO] tweaked toml for crates.io crate tao-of-rust 1.0.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 49 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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 csv_challenge v0.1.0 [INFO] [stderr] Downloaded failures_crate v0.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e2cd801aea984f69db56960aabecf266b5677498b975db11e13e485bc75753f6 [INFO] running `Command { std: "docker" "start" "-a" "e2cd801aea984f69db56960aabecf266b5677498b975db11e13e485bc75753f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e2cd801aea984f69db56960aabecf266b5677498b975db11e13e485bc75753f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e2cd801aea984f69db56960aabecf266b5677498b975db11e13e485bc75753f6", kill_on_drop: false }` [INFO] [stdout] e2cd801aea984f69db56960aabecf266b5677498b975db11e13e485bc75753f6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f01c839cd75c5103467dd79ff368f2c91a896a6de704da92ad43e8c011465fb8 [INFO] running `Command { std: "docker" "start" "-a" "f01c839cd75c5103467dd79ff368f2c91a896a6de704da92ad43e8c011465fb8", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.164 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Checking adler2 v2.0.0 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking gimli v0.31.1 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking miniz_oxide v0.8.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking rustc-demangle v0.1.24 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking object v0.36.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking addr2line v0.24.2 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking csv_challenge v0.1.0 [INFO] [stderr] Checking backtrace v0.3.74 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking failures_crate v0.1.0 [INFO] [stderr] Checking tao-of-rust v1.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_fn)] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0557]: feature has been removed [INFO] [stdout] --> src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(const_fn)] [INFO] [stdout] | ^^^^^^^^ feature has been removed [INFO] [stdout] | [INFO] [stdout] = note: split into finer-grained feature gates [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0520]: `swim` specializes an item from a parent `impl`, but that item is not marked `default` [INFO] [stdout] --> src/ch03/trait_limit.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 154 | impl Swimmer for Diver {} [INFO] [stdout] | ---------------------------- parent `impl` is here [INFO] [stdout] ... [INFO] [stdout] 157 | fn swim(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ cannot specialize default item `swim` [INFO] [stdout] | [INFO] [stdout] = note: to specialize, `swim` in the parent `impl` must be marked `default` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0520]: `swim` specializes an item from a parent `impl`, but that item is not marked `default` [INFO] [stdout] --> src/ch03/trait_limit.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 154 | impl Swimmer for Diver {} [INFO] [stdout] | ---------------------------- parent `impl` is here [INFO] [stdout] ... [INFO] [stdout] 157 | fn swim(&self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ cannot specialize default item `swim` [INFO] [stdout] | [INFO] [stdout] = note: to specialize, `swim` in the parent `impl` must be marked `default` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0520, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0520`. [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0520, E0557. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0520`. [INFO] [stdout] [INFO] [stderr] error: could not compile `tao-of-rust` (lib test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `tao-of-rust` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "f01c839cd75c5103467dd79ff368f2c91a896a6de704da92ad43e8c011465fb8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f01c839cd75c5103467dd79ff368f2c91a896a6de704da92ad43e8c011465fb8", kill_on_drop: false }` [INFO] [stdout] f01c839cd75c5103467dd79ff368f2c91a896a6de704da92ad43e8c011465fb8