[INFO] fetching crate websession 0.12.1... [INFO] building websession-0.12.1 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate websession 0.12.1 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate websession 0.12.1 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate websession 0.12.1 [INFO] finished tweaking crates.io crate websession 0.12.1 [INFO] tweaked toml for crates.io crate websession 0.12.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate crates.io crate websession 0.12.1 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0e731fd07a6b78cf6dad39d868e9cfc25adc65ef4487dca9c866a2ee580cdce7 [INFO] running `Command { std: "docker" "start" "-a" "0e731fd07a6b78cf6dad39d868e9cfc25adc65ef4487dca9c866a2ee580cdce7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e731fd07a6b78cf6dad39d868e9cfc25adc65ef4487dca9c866a2ee580cdce7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e731fd07a6b78cf6dad39d868e9cfc25adc65ef4487dca9c866a2ee580cdce7", kill_on_drop: false }` [INFO] [stdout] 0e731fd07a6b78cf6dad39d868e9cfc25adc65ef4487dca9c866a2ee580cdce7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84e0e2eeb0d52b9aac4ca3dc065b87e00b99e0103513656056fb71c7d33ae217 [INFO] running `Command { std: "docker" "start" "-a" "84e0e2eeb0d52b9aac4ca3dc065b87e00b99e0103513656056fb71c7d33ae217", kill_on_drop: false }` [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling opaque-debug v0.3.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling cpuid-bool v0.1.2 [INFO] [stderr] Compiling subtle v2.4.0 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling byteorder v1.4.2 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rpassword v5.0.1 [INFO] [stderr] Compiling fs2 v0.4.3 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling cipher v0.2.5 [INFO] [stderr] Compiling crypto-mac v0.10.0 [INFO] [stderr] Compiling hmac v0.10.1 [INFO] [stderr] Compiling sha-1 v0.9.3 [INFO] [stderr] Compiling md-5 v0.9.1 [INFO] [stderr] Compiling sha2 v0.9.3 [INFO] [stderr] Compiling blowfish v0.7.0 [INFO] [stderr] Compiling pwhash v1.0.0 [INFO] [stderr] Compiling websession v0.12.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/backingstore.rs:242:11 [INFO] [stdout] | [INFO] [stdout] 242 | f.lock_shared()?; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [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 `lock_shared(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::lock_shared` [INFO] [stdout] --> src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 + #![feature(file_lock)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/simple.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | Err(e) => panic!(format!("{:?}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 24 - Err(e) => panic!(format!("{:?}", e)), [INFO] [stdout] 24 + Err(e) => panic!("{:?}", e), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/simple.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | Err(err) => panic!(format!("{:?}", err)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 27 - Err(err) => panic!(format!("{:?}", err)), [INFO] [stdout] 27 + Err(err) => panic!("{:?}", err), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.97s [INFO] running `Command { std: "docker" "inspect" "84e0e2eeb0d52b9aac4ca3dc065b87e00b99e0103513656056fb71c7d33ae217", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84e0e2eeb0d52b9aac4ca3dc065b87e00b99e0103513656056fb71c7d33ae217", kill_on_drop: false }` [INFO] [stdout] 84e0e2eeb0d52b9aac4ca3dc065b87e00b99e0103513656056fb71c7d33ae217 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b015c2c32a37ab4ae0f2706ae319d78bb65a978860a168ed9555dda25bd76fff [INFO] running `Command { std: "docker" "start" "-a" "b015c2c32a37ab4ae0f2706ae319d78bb65a978860a168ed9555dda25bd76fff", kill_on_drop: false }` [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling bencher v0.1.5 [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/backingstore.rs:242:11 [INFO] [stdout] | [INFO] [stdout] 242 | f.lock_shared()?; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [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 `lock_shared(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::lock_shared` [INFO] [stdout] --> src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 + #![feature(file_lock)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling websession v0.12.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/simple.rs:24:26 [INFO] [stdout] | [INFO] [stdout] 24 | Err(e) => panic!(format!("{:?}", e)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 24 - Err(e) => panic!(format!("{:?}", e)), [INFO] [stdout] 24 + Err(e) => panic!("{:?}", e), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/bin/simple.rs:27:32 [INFO] [stdout] | [INFO] [stdout] 27 | Err(err) => panic!(format!("{:?}", err)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 27 - Err(err) => panic!(format!("{:?}", err)), [INFO] [stdout] 27 + Err(err) => panic!("{:?}", err), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a method with this name may be added to the standard library in the future [INFO] [stdout] --> src/backingstore.rs:242:11 [INFO] [stdout] | [INFO] [stdout] 242 | f.lock_shared()?; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [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 `lock_shared(...)` to keep using the current method [INFO] [stdout] = note: `#[warn(unstable_name_collisions)]` on by default [INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::lock_shared` [INFO] [stdout] --> src/lib.rs:16:1 [INFO] [stdout] | [INFO] [stdout] 16 + #![feature(file_lock)] [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "b015c2c32a37ab4ae0f2706ae319d78bb65a978860a168ed9555dda25bd76fff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b015c2c32a37ab4ae0f2706ae319d78bb65a978860a168ed9555dda25bd76fff", kill_on_drop: false }` [INFO] [stdout] b015c2c32a37ab4ae0f2706ae319d78bb65a978860a168ed9555dda25bd76fff