[INFO] fetching crate permu-rs 0.2.0...
[INFO] checking permu-rs-0.2.0 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate permu-rs 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate permu-rs 0.2.0 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate permu-rs 0.2.0
[INFO] finished tweaking crates.io crate permu-rs 0.2.0
[INFO] tweaked toml for crates.io crate permu-rs 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.2.11 (available: v0.5.1)
[INFO] [stderr]       Adding rand v0.4.6 (available: v0.8.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4691ea415513eeff90e09684c919ec98414dfdb44e4325eb0098e09e83f9a46e
[INFO] running `Command { std: "docker" "start" "-a" "4691ea415513eeff90e09684c919ec98414dfdb44e4325eb0098e09e83f9a46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4691ea415513eeff90e09684c919ec98414dfdb44e4325eb0098e09e83f9a46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4691ea415513eeff90e09684c919ec98414dfdb44e4325eb0098e09e83f9a46e", kill_on_drop: false }`
[INFO] [stdout] 4691ea415513eeff90e09684c919ec98414dfdb44e4325eb0098e09e83f9a46e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89ad04567fc30fa2e1bf30fdb31986b63ccd7fd52ff6b82710dffd2070b130bf
[INFO] running `Command { std: "docker" "start" "-a" "89ad04567fc30fa2e1bf30fdb31986b63ccd7fd52ff6b82710dffd2070b130bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking serde_json v1.0.133
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking permu-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/inversion.rs:338:34
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 Err(e) => panic!(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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 Err(e) => panic!("{}", e),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/problems.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Err(err) => panic!(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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Err(err) => panic!("{}", err),
[INFO] [stdout]    |                                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Err(err) => std::panic::panic_any(err),
[INFO] [stdout]    |                         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stdout] error[E0277]: the trait bound `Distribution: Population<_>` is not satisfied
[INFO] [stdout]   --> benches/bench.rs:21:24
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Population::sample(distr, samples);
[INFO] [stdout]    |     ------------------ ^^^^^ the trait `Population<_>` is not implemented for `Distribution`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `Population<T>`:
[INFO] [stdout]              InversionPopulation<T>
[INFO] [stdout]              PermuPopulation<T>
[INFO] [stdout]              RimPopulation<T>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> benches/bench.rs:21:31
[INFO] [stdout]    |
[INFO] [stdout] 21 |     Population::sample(distr, samples);
[INFO] [stdout]    |     ------------------        ^^^^^^^ expected `&mut Distribution`, found `&mut PermuPopulation<u8>`
[INFO] [stdout]    |     |
[INFO] [stdout]    |     arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected mutable reference `&mut Distribution`
[INFO] [stdout]               found mutable reference `&mut PermuPopulation<u8>`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn sample(&mut self, distr: &mut Distribution) -> Result<(), Error>;
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> benches/bench.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut distr = pop.learn();
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `permu-rs` (bench "bench") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/problems.rs:484:13
[INFO] [stdout]     |
[INFO] [stdout] 484 |         let mut permu = Permutation::<u8>::from_vec_unsec(
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/inversion.rs:338:34
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 Err(e) => panic!(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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 Err(e) => panic!("{}", e),
[INFO] [stdout]     |                                  +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 338 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/problems.rs:84:32
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Err(err) => panic!(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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Err(err) => panic!("{}", err),
[INFO] [stdout]    |                                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 84 |             Err(err) => std::panic::panic_any(err),
[INFO] [stdout]    |                         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/problems.rs:530:36
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 Err(err) => panic!(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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 Err(err) => panic!("{}", err),
[INFO] [stdout]     |                                    +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 530 |                 Err(err) => std::panic::panic_any(err),
[INFO] [stdout]     |                             ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "89ad04567fc30fa2e1bf30fdb31986b63ccd7fd52ff6b82710dffd2070b130bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ad04567fc30fa2e1bf30fdb31986b63ccd7fd52ff6b82710dffd2070b130bf", kill_on_drop: false }`
[INFO] [stdout] 89ad04567fc30fa2e1bf30fdb31986b63ccd7fd52ff6b82710dffd2070b130bf
