[INFO] fetching crate avocado 0.6.0... [INFO] checking avocado-0.6.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073 [INFO] extracting crate avocado 0.6.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate avocado 0.6.0 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate avocado 0.6.0 [INFO] finished tweaking crates.io crate avocado 0.6.0 [INFO] tweaked toml for crates.io crate avocado 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b9e703713c233e722d31c858b3c55f91449d0ac40905fc57a76339f0adb5b904 [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" "b9e703713c233e722d31c858b3c55f91449d0ac40905fc57a76339f0adb5b904", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b9e703713c233e722d31c858b3c55f91449d0ac40905fc57a76339f0adb5b904", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b9e703713c233e722d31c858b3c55f91449d0ac40905fc57a76339f0adb5b904", kill_on_drop: false }` [INFO] [stdout] b9e703713c233e722d31c858b3c55f91449d0ac40905fc57a76339f0adb5b904 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb11fead3cd6852d480f34601faaf2f6bf3ad5888bbf6417ad12dec9f16cb39a [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" "eb11fead3cd6852d480f34601faaf2f6bf3ad5888bbf6417ad12dec9f16cb39a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling serde_derive v1.0.126 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling serde v1.0.126 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Compiling cc v1.0.68 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.24.0 [INFO] [stderr] Checking rustc-demangle v0.1.19 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Checking object v0.24.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking try_from v0.2.2 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking md5 v0.3.8 [INFO] [stderr] Checking hex v0.3.2 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking separator v0.3.1 [INFO] [stderr] Checking bufstream v0.1.4 [INFO] [stderr] Compiling compiletest_rs v0.3.26 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking diff v0.1.12 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking semver v0.8.0 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking unsafe-any v0.4.2 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Checking typemap v0.3.3 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling backtrace v0.3.59 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking hostname v0.1.5 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Checking generic-array v0.9.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking crypto-mac v0.6.2 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking md-5 v0.7.0 [INFO] [stderr] Checking sha-1 v0.7.0 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking hmac v0.6.3 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking tester v0.6.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking addr2line v0.15.1 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking pbkdf2 v0.2.3 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking scan_fmt v0.1.3 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling magnet_derive v0.8.0 [INFO] [stderr] Compiling avocado_derive v0.6.0 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking uuid v0.7.4 [INFO] [stderr] Checking textnonce v0.6.5 [INFO] [stderr] Checking bson v0.13.0 [INFO] [stderr] Checking rustfix v0.4.6 [INFO] [stderr] Checking mongodb v0.3.12 [INFO] [stderr] Checking magnet_schema v0.8.0 [INFO] [stderr] Checking avocado v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bsn.rs:175:37 [INFO] [stdout] | [INFO] [stdout] 175 | struct Number { value: u64 }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bsn.rs:178:41 [INFO] [stdout] | [INFO] [stdout] 178 | struct BigNumber { value: i128 }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bsn.rs:208:37 [INFO] [stdout] | [INFO] [stdout] 208 | struct Number { value: u64 }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/error.rs:235:34 [INFO] [stdout] | [INFO] [stdout] 235 | let backtrace = if cause.backtrace().is_none() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `ErrorExt::backtrace(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(backtrace)]` to the crate attributes to enable `backtrace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future [INFO] [stdout] --> src/error.rs:235:34 [INFO] [stdout] | [INFO] [stdout] 235 | let backtrace = if cause.backtrace().is_none() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior! [INFO] [stdout] = note: for more information, see issue #48919 [INFO] [stdout] = help: call with fully qualified syntax `ErrorExt::backtrace(...)` to keep using the current method [INFO] [stdout] = help: add `#![feature(backtrace)]` to the crate attributes to enable `backtrace` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> examples/basic.rs:99:21 [INFO] [stdout] | [INFO] [stdout] 99 | struct AnyError(Box); // fast and loose, don't do this in prod [INFO] [stdout] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition! [INFO] [stdout] = note: for more information, see issue #80165 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 47s [INFO] running `Command { std: "docker" "inspect" "eb11fead3cd6852d480f34601faaf2f6bf3ad5888bbf6417ad12dec9f16cb39a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb11fead3cd6852d480f34601faaf2f6bf3ad5888bbf6417ad12dec9f16cb39a", kill_on_drop: false }` [INFO] [stdout] eb11fead3cd6852d480f34601faaf2f6bf3ad5888bbf6417ad12dec9f16cb39a