[INFO] fetching crate amber 0.5.9... [INFO] checking amber-0.5.9 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3 [INFO] extracting crate amber 0.5.9 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate amber 0.5.9 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate amber 0.5.9 [INFO] finished tweaking crates.io crate amber 0.5.9 [INFO] tweaked toml for crates.io crate amber 0.5.9 written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate crates.io crate amber 0.5.9 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e3c4ec013e4921e00f4a821997a96d0b03c9d9166a15ce6656d7b0adf034798e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e3c4ec013e4921e00f4a821997a96d0b03c9d9166a15ce6656d7b0adf034798e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3c4ec013e4921e00f4a821997a96d0b03c9d9166a15ce6656d7b0adf034798e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3c4ec013e4921e00f4a821997a96d0b03c9d9166a15ce6656d7b0adf034798e", kill_on_drop: false }` [INFO] [stdout] e3c4ec013e4921e00f4a821997a96d0b03c9d9166a15ce6656d7b0adf034798e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b5dacc355673b35c45d98eed5d0f95d85950bdeb68310067f7ea12fa9ec8d2d6 [INFO] running `Command { std: "docker" "start" "-a" "b5dacc355673b35c45d98eed5d0f95d85950bdeb68310067f7ea12fa9ec8d2d6", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] Running `cargo fix --edition` [INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo. [INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously. [INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html [INFO] [stderr] When building the following dependencies, the given features will no longer be used: [INFO] [stderr] [INFO] [stderr] crossbeam-utils v0.8.1: default [INFO] [stderr] standback v0.2.15 (as host dependency): std [INFO] [stderr] syn v1.0.60 (as host dependency): visit [INFO] [stderr] [INFO] [stderr] Compiling libc v0.2.89 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling getrandom v0.2.1 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking remove_dir_all v0.5.3 [INFO] [stderr] Checking regex-syntax v0.6.22 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking rlibc v1.0.0 [INFO] [stderr] Checking glob v0.3.0 [INFO] [stderr] Compiling standback v0.2.15 [INFO] [stderr] Compiling time v0.2.26 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking memchr v2.3.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Compiling quote v1.0.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-queue v0.3.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking crossbeam v0.8.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking termios v0.2.2 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking termios v0.3.3 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs v3.0.1 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking getch v0.2.1 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking tempfile v3.2.0 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking ctrlc v3.1.8 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Checking structopt v0.3.21 [INFO] [stderr] Checking amber v0.5.9 (/tmp/fixit) [INFO] [stderr] Migrating src/lib.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/ambs.rs from 2018 edition to 2021 [INFO] [stderr] Migrating benches/path_finder.rs from 2018 edition to 2021 [INFO] [stderr] Migrating src/ambr.rs from 2018 edition to 2021 [INFO] [stderr] Migrating benches/matcher.rs from 2018 edition to 2021 [INFO] [stderr] Fixed benches/path_finder.rs (2 fixes) [INFO] [stdout] error[E0432]: unresolved import `rand::StdRng` [INFO] [stdout] --> benches/matcher.rs:8:30 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{Rng, SeedableRng, StdRng}; [INFO] [stdout] | ^^^^^^ no `StdRng` in the root [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> benches/matcher.rs:41:31 [INFO] [stdout] | [INFO] [stdout] 41 | fn bench(b: &mut Bencher, m: &Matcher) { [INFO] [stdout] | ^^^^^^^ help: use `dyn`: `dyn Matcher` [INFO] [stdout] | [INFO] [stdout] = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility` [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Rng` [INFO] [stdout] --> benches/matcher.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | use rand::{Rng, SeedableRng, StdRng}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `amber` due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] [stderr] error: failed to migrate to next edition [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101) [INFO] running `Command { std: "docker" "inspect" "b5dacc355673b35c45d98eed5d0f95d85950bdeb68310067f7ea12fa9ec8d2d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5dacc355673b35c45d98eed5d0f95d85950bdeb68310067f7ea12fa9ec8d2d6", kill_on_drop: false }` [INFO] [stdout] b5dacc355673b35c45d98eed5d0f95d85950bdeb68310067f7ea12fa9ec8d2d6